The 10 Best iPhone VoIP Apps in 2024 Rated and Compared

Finding the best VoIP app for iPhone is no easy task, and it’ll undoubtedly depend on your specific needs and budget. To help narrow your search, we’ve tested, ranked, and compared all the market’s top mobile VoIP solutions. From the almighty Ooma to video call giants like Zoom.

From free or cheap international calls to the best iPhone VoIP app for remote teams and call centers, here we explore each of the top VoIP apps’ USPs, flaws, and pricing.

The Best VoIP Apps for iPhone in 2024

Ooma tops our list of the best VoIP apps for iPhone, thanks to its broad range of features and its affordable pricing. Here’s how it compares to the competition:

  1. Ooma Office – The best option overall, with an intuitive iPhone app, rich call management features, and a virtual receptionist.
  2. Vonage – Best for enterprises, it offers a huge range of app integrations, rock-solid reliability, and detailed call analytics.
  3. Nextiva – A versatile platform built around ease of setup and use, it includes a local and a toll-free number.
  4. Phone.com – One of the most affordable VoIP apps, it offers voice calls, SMS, and fax straight from your phone.
  5. MightyCall – Best for distributed teams, with CRM-like features for customer support teams and language translation.
  6. RingCentral – A great option for collaboration, with video calling, team messaging tools, and AI meeting transcription.
  7. Zoho Voice – Excellent for call centers and organizations that use Zoho’s other apps, thanks to the native integrations.
  8. GoTo Connect – The best VoIP service for calling other countries, with unlimited international calls to 50+ destinations.
  9. Zoom Phone – Great for seamless switching between voice and video calls + includes Apple CarPlay support and Siri shortcuts.
  10. Webex Call – The best for security and compliance, it meets HIPAA, BAA, and FedRAMP standards.

The Top Apple iOS VoIP Apps Compared

Before we dive into our reviews of each one, here’s a quick overview of how they compare:

VoIP Service Best For Starting Price Free Version Top Features
Ooma Office Any-sized business $19.95/user/month 30-day Trial Virtual receptionist, simultaneous ring, voicemail transcription
Vonage Enterprise $19.99/user/month 14-day Trial Integrations, call flip, detailed call analytics
Nextiva Simple setup and use $23.95/user/month 14-day Trial Threaded conversations, free local and toll-free numbers, comprehensive support
Phone.com Affordability $12.74/user/month No SMS autoresponders, mobile fax, voicemail with email forwarding
MightyCall Distributed teams $15/user/month 7-day Trial Call recording, in-app language translation, single-view of all customer interactions
RingCentral Collaboration $20/user/month 14-day Trial Free video calling, messaging and video collaboration tools, AI noise reduction
Zoho Voice CRM integration $34/user/month Free Version + 15-day Trial Native integration with other Zoho apps, dark mode
GoTo Connect International calling $27/user/month 14-day Trial Unlimited international calling to 50 countries, advanced video meeting features, SMS autoresponders
Zoom Video meeting integration $10/user/month Yes (Video meetings) Switch from voice to video, virtual whiteboards,
Apple CarPlay, Siri shortcuts
Webex Security and Compliance $17/user/month Yes (Video meetings) + 90-day Trial End-to-end encryption,
voice and video calls in one app, Vidcast video messages

The Best VoIP iPhone Services in 2024 Reviewed

Now that you know how the top VoIP services for iPhone compare, let’s dig deeper into each of the best products on the market, so you can make an informed choice.

1. Ooma Office – Overall, the Best VoIP App for iPhone

Screenshot of Ooma Office VoIP app.

Best For Starting Price Free Version Top Features
Any-sized business $19.95/user/month 30-day trial Virtual receptionist,
simultaneous ring, voicemail transcription

This VoIP solution’s main USP is how it caters to businesses of all sizes and comes jam-packed with features — all of which are available on the move with the Ooma iPhone app. You can:

  • Make and receive calls
  • Send SMS messages and faxes
  • Share files with teammates

You can also have incoming calls ring on multiple devices at once — a desk phone, laptop, or on your mobile. If you miss a call, you’ll be able to review them or have them automatically transcribed.

We were also impressed with how configurable the virtual receptionist is, but as we outlined in our Ooma review, the app is focused on calls and messages and doesn’t include video calling.

Pricing

Ooma offers three pricing plans based on the features you need:

  • Essentials — $19.95/user/month
  • Pro — $24.95/user/month
  • Pro Plus — $29.95/user/month

All plans include the iPhone app and the Virtual Receptionist, but you’ll need to step up to the Pro plan to access SMS text messaging. That said, none of the plans require a contract.

Prospros

  • Numerous in-app voicemail management tools
  • Internal messaging in the app includes file-sharing
  • Call recordings (in the Pro plan)
  • Simultaneous ringing across devices
  • Highly customizable virtual receptionist

Conscons

  • No mobile video calling

2. Vonage – Best Enterprise VoIP App for iPhone

Screenshot of Vonage VoIP app.

Best For Starting Price Free Version Top Features
Enterprise $19.99/user/month 14-Day Trial Range of integrations, call flip, detailed call analytics

Large companies need communication tools that can be rolled out easily across an entire workforce, and Vonage fits the bill for its ease of deployment, scalability, and intuitive mobile and desktop apps.

With the mobile apps, you can enjoy:

  • Unlimited voice and video calling
  • SMS messaging + internal team messaging
  • Live call transfer from desktop to mobile

We were particularly impressed with Vonage’s admin portal, which lets you see the system status, users, and extensions. You even get a  Call Quality report that visualizes issues like packet loss and jitter.

That said, Vonage is an established service offering a stellar 99.999% uptime and 120+ integrations, which undoubtedly contributes to its popularity.

Pricing

Vonage offers three pricing tiers:

  • Mobile — $19.99/line/month
  • Premium — $29.99/line/month
  • Advanced — $39.99/line/month

All plans give you mobile and desktop apps, unlimited calls, SMS messages, and internal team messages, but some integrations (like connecting your CRM) are limited to the higher-tier plans.

Similarly, although available on base plans with some competitors like MightyCall, call recording and a virtual assistant are only available on the higher tier plans with Vonage.

Prospros

  • Easy to deploy and manage across large organizations
  • Highly customizable with 120+ integrations
  • Offers detailed call analytics and reporting tools
  • HIPAA-compliant options for regulated industries

Conscons

  • Call recording is only available on the top-tier plan
  • Can be expensive for small businesses

3. Nextiva – Simplest iPhone VoIP App to Use

Screenshot of Nextiva VoIP app.

Best For Starting Price Free Version Top Features
Simple setup and use $23.95/user/month 14-Day Trial Threaded conversations,
free local and toll-free numbers, comprehensive support

Nextiva is a solid VoIP for small businesses after a no-frills solution. This rings true for the iOS app, too, as it offers voice calls, contacts, and basic voicemail management.

That said, there is the option to transfer calls, and we were impressed with how you could do a ‘warm transfer’, prepping your coworker about the caller before you pass over the call.

We also found that features like threaded conversations (which centralize all customer interactions, whether via email, phone, or chat) emphasize how it simplify business communications.

Communications and CRM in one. But at what cost? You’d be surprised — more so because all plans include a local area code number and a toll-free number which is rare.

Pricing

Nextiva’s pricing depends on the size of your organization, with the monthly cost per user decreasing for larger organizations. Here’s the starter pricing for teams of one to four:

  • Essential — $23.95/user/month
  • Professional — $27.95/user/month
  • Enterprise — $37.95/user/month

All plans include unlimited voice and video calling, plus voicemail and internet faxing. If you want to integrate your CRM or have call recording, you’ll need to opt for the Professional plan or higher.

Prospros

  • Simple-to-use apps
  • Threaded conversations offer CRM-like functionality
  • One local and toll-free number is included at no extra cost
  • Offers superb customer support

Conscons

  • Call recording is only available on the Enterprise plan
  • SMS messaging on mobile is restricted to the Professional plan

4. Phone.com – Most Affordable VoIP App for iPhone 

Screenshot of Phone.com VoIP app.

Best For Starting Price Free Version Top Features
Affordability $12.74/user/month No SMS autoresponders, mobile fax,
voicemail with email forwarding

Phone.com’s biggest USP is that it’s cheap but premium. The mobile app is limited to voice calls, SMS messages, and faxes, but on a desktop or browser, you’ll get all of this on all of the plans:

  • A dedicated business phone number
  • Video conferencing
  • Voicemail to email
  • Call queuing with hold music
  • Mobile fax

The Basic plan is purely focused on voice calling, text messaging and call analytics aren’t included, and call recording comes at an additional cost. Call handling is a different story.

Phone.com offers call blocking, forwarding, screening, and transfer on the Basic plan, but unlike Ooma, which offers unlimited calling and messaging, Phone.com caps the basic plan to 500 minutes.

Pricing

Phone.com offers some of the lowest available monthly rates available for a fully-featured VoIP app for iPhone:

  • Basic — $12.74/user/month
  • Plus — $18.69/user/month
  • Pro — $27.19/user/month

The Basic plan offers insane value for money and is the obvious choice for startups after a dedicated business phone service without SMS messages and advanced features like call analytics.

Prospros

  • Affordable basic plan for voice calling
  • Fax from your iPhone included as a standard
  • Useful SMS auto-responder features in mobile app
  • Voicemail-to-email

Conscons

  • No video calling is available in the iPhone app
  • SMS messaging isn’t available on the Basic plan

5. MightyCall – Best iPhone VoIP App for Distributed Teams 

Screenshot of MightyCall VoIP app.

Best For Starting Price Free Version Top Features
Distributed teams $15/user/month 7-Day Trial Call recording,
language translation,
view all customer interactions

MightyCall is aimed at medium to large teams (particularly handy for distributed teams), and it offers a well-designed iPhone app with some very useful features.

You can add notes to customer profiles or individual interactions, and we really like how it visually logs customer interactions like a CRM, making it that much easier to follow up with a customer.

What stood out to us most, though, was the in-app translations. With a single tap, you can translate SMS messages or even voicemail transcriptions into a language of your choice.

Pricing

MightyCall offers a tiered pricing structure, all of which require a minimum of 3 users:

  • Core — $15/user/month
  • Pro — $20/user/month

It’s also worth noting that call recording is available across all plans — and through the iPhone app — unlike Phone.com or Nextiva, where this is a paid add-on or higher tier option.

Prospros

  • Call recording included in the app
  • Journal feature logs customer communications
  • Well-designed, unique translation feature
  • Two business numbers included as standard

Conscons

  • 3-user minimum on plans

6. RingCentral – Best VoIP App for iPhone for Collaboration

Screenshot of RingCentral VoIP app.

Best For Starting Price Free Version Top Features
Collaboration $20/user/month 14-Day Trial Free video calling,
advanced internal messaging,
AI noise reduction

RingCentral is a unified communications platform aimed at large organizations — It’s reliable, with downtime that equates to under 6 minutes a year. The RingCentral iPhone app includes:

  • Voice and video calling
  • SMS messaging and internal team messaging
  • Conference calling
  • AI-based noise cancellation to reduce background noise

We found that the team messaging on iPhone is more advanced than other enterprise-focused providers, such as Vonage, as it includes file sharing, task management, and a shared calendar system.

Video calls through the app have no time limit, either, and you get screen-sharing and a collaborative virtual whiteboard system. There’s even integrated AI to automatically create meeting notes.

Pricing

RingCentral’s Intelligent Phone Solutions services are split across three pricing tiers:

  • Core — $20/user/month
  • Advanced — $25/user/month
  • Ultra — $35/user/month

All plans include unlimited domestic calling and SMS and MMS messaging. You’ll need to upgrade to access integrations for Salesforce, Zendesk, and other popular apps.

RingCentral has separate pricing plans focused on advanced video-meeting functionality, but video-calling with up to 100 participants is available for free and includes virtual whiteboards.

Prospros

  • Free video calling with no subscription required
  • A huge range of call management features
  • Advanced internal messaging tools, including file-sharing
  • Handy video collaboration tools
  • Built-in AI-based noise reduction for improved audio quality

Conscons

  • Some complain that the call reporting tools are limited

7. Zoho Voice – Best for Integration With Zoho Apps

Screenshot of Zoho Voice VoIP app.

Best For Starting Price Free Version Top Features
CRM integration $34/user/month Free Version + 15-Day Trial Native integration with other Zoho apps, dark mode

If you’re already a user of Zoho, you’ll know there’s a business app for everything — if this is the case, we’d recommend Zoho Voice. It has native integrations with Zoho CRM, Recruit, Desk, and others.

This makes it the perfect one-stop-shop for centralizing your business data. For example, with Zoho CRM, you can call contacts in a single click — and the integration works both ways.

The Zoho Voice app is somewhat barebones.  You can transfer and queue calls, and there’s an Interactive Voice Response system. However, it lacks video calling, call recording, and messaging.

Pricing

Zoho Voice’s pricing structure reflects its focus on native app integration, and it can be a great deal for businesses already invested in the Zoho ecosystem. Here are the Enterprise Telephony plans:

  • Basic — $34/user/month
  • Standard — $49/admin/month
  • Contact Center — $74/admin/month

The key difference in Zoho’s pricing structure compared to other VoIP providers is that on Standard and Contact Center plans, the monthly charge is for one admin and up to 10 agents.

They automatically gain access to calling features directly from apps such as Zoho One once you enable a Zoho Voice plan. This can be excellent value for larger teams when compared to per-user models.

Prospros

  • Native integration with other Zoho apps
  • Excellent pricing structure for large organizations
  • Unlimited domestic calling on all plans
  • Apps offer Dark mode

Conscons

  • No internal team messaging tools

8. GoTo Connect – Best VoIP App for International Calling

Screenshot of GoTo Connect VoIP app.

Best For Starting Price Free Version Top Features
International calling $27/user/month 14-Day Trial Unlimited international calling to 50 countries, advanced video meeting features, SMS autoresponders

It’s hard to bear GoTo with inexpensive international calls. The Standard plan includes unlimited international calling to 50+ countries, including Australia, Germany, and the UK.

We were also impressed with the desktop, web, and well-designed Android and iOS VoIP apps. The apps include voice (and video) calls, voicemail, SMS (+ autoresponders), web messaging, and fax.

As you’d expect from a company famous for its video calling platform, GoTo Meeting, video calling in the app is impressive. You get presentation slide viewing, breakout rooms, and real-time polls.

You can also seamlessly transition from voice to video without ending the call. We also liked that you get CRM features, like a shared inbox where you can assign conversations to specific agents.

Pricing

GoTo Connect offers two pricing tiers:

  • Basic —$27/user/month
  • Standard — $32/user/month

The Basic plan includes integrations with Outlook and Google Workspace, but you’ll need the Standard plan to integrate GoTo Connect with some of the best CRM systems, such as Salesforce.

One drawback is that unlike other providers, such as Vonage, which offer unlimited SMS messaging, GoTo Connect limits you to 40 or 80 SMS messages per user, depending on your plan.

Prospros

Conscons

  • All plans have SMS limits
  • Basic plan is limited to 20 users
  • Pricing isn’t transparent

9. Zoom – Best iPhone VoIP app for Video Meeting Integration

Screenshot of Zoom VoIP app.

Best For Starting Price Free Version Top Features
Video meeting integration $10/user/month Yes (Video meetings) Switch from voice to video, annotation, Apple CarPlay and Siri shortcuts

If you already use Zoom video meetings, it’s worth checking out Zoom Phone, the business phone service. Both are available from the same app for iPhone, along with internal team messaging tools.

The Zoom mobile app lets you make, receive, and record calls from a business phone number, send SMS messages and access voicemail. The app integrates with Zoom Meetings, too.

All Zoom Phone plans offer integrations with popular apps, including Salesforce, Slack, Microsoft Outlook, and Google Workspace, to make calls using your Zoom Phone plan.

The iPhone app includes CarPlay support for safer operation when you’re driving, as well as built-in Siri shortcuts for common actions like initiating a video meeting using your Personal Meeting ID.

Pricing

Zoom Phone offers pricing across three tiers:

  • Pay as You Go — $10/user/month
  • Unlimited — $15/user/month
  • Pro Global Select — $20/user/month

The Pay As You Go plan doesn’t include any allowance for outgoing calls, but you can step up to the mid-tier plan to get unlimited calling within the US and Canada.

For an additional $10 per user per month, you can purchase an add-on that unlocks unlimited international calling to 17 countries, including Japan, France, and the UK.

Prospros

  • Seamless switching from voice to video calls
  • Boasts video collaboration tools
  • Includes Apple CarPlay support and built-in Siri commands
  • Unlimited international calling is available

Conscons

  • No voice call allowance is included in the basic plan

10. Webex – Best for Security and Compliance

Screenshot of Webex VoIP app.

Best For Starting Price Free Version Top Features
Security and Compliance $17/user/month Yes (video meetings) + 90-Day Trial End-to-end encryption,
voice and video calls, Vidcast video messages

Webex offers a solution that’s compliant with various security and privacy standards, including HIPAA, BAA, and FedRAMP — perfect for businesses in healthcare or insurance fields, for example.

The provider is a major player in video-conferencing tools, and the company also offers a VoIP business phone service called Webex Call, which is accessible on the go with the app and includes:

  • Unlimited calling in the US and Canada
  • Call waiting, forwarding, holding, and transferring
  • A customizable interactive voice response (IVR) menu system
  • Conference calling for up to 6 participants
  • Visual voicemail and video conferencing

As you’d expect from Webex, the video features are well-designed and extensive, with interactive whiteboards and advanced noise-removal filters to ensure you get high-quality audio.

The iPhone app also includes Apple CarPlay support to join meetings from your car, and there’s Vidcast so you can send short videos to your team.

Pricing

Webex Call has three pricing plans:

  • Webex Call — $17/license/month
  • Webex Suite — $25/license/month
  • Webex Enterprise — Custom

All plans offer unlimited domestic calling, extensions, and call-handling features. You can use any Webex video meeting plan alongside your voice plan in the Webex app, including Webex Free.

You’ll need Webex Enterprise for voicemail-to-email, call recording, or FedRAMP-authorized security, but all plans include end-to-end encryption and are HIPAA and BAA-compliant.

Prospros

  • Compliant for highly regulated industries
  • Full suite of call management tools
  • Voice calls and Webex video meetings in a single app
  • Vidcast video messages

Conscons

  • International calling is billed per minute on all plans
  • Call recording is only available on the Enterprise plan

How Does VoIP for iPhone Work?

Voice over Internet Protocol, or VoIP, is a technology that allows you to make phone calls using your broadband internet connection rather than a network of phone lines or cellular towers.

Many VoIP providers offer apps for mobile, giving you the freedom to make and receive calls – and access powerful call features – anywhere, as long as you have an internet connection.

WiFi calling, on the other hand, uses the internet to connect your call via your cellular provider’s infrastructure. As VoIP calls don’t depend on your provider, they can be more reliable.

If your cell provider has a service outage, for example, you can still make and receive calls using a VoIP service as long as you have an internet connection, but you can’t use WiFi calling in that situation.

What are the Benefits of iPhone Mobile VoIP Apps?

Using a VoIP app on your iPhone means that you can access the same benefits and powerful features available from a browser or desktop-based VoIP service on the go. Here are the key benefits:

Cost Savings

VoIP services usually offer calling rates significantly lower than landline or cellular plans. This is especially true for international calling, where charges rack up quickly with traditional providers.

Pricing varies depending on the VoIP provider, but many offer affordable monthly service charges that include unlimited calls, meaning that costs are far more predictable.

Beyond all this, most services can be set up in minutes and don’t require any expensive hardware, costly line installations, or maintenance.

Flexibility

VoIP services give you and your team the freedom to make and receive calls from anywhere across a variety of different devices, including your iPhone.

This offers a lot more flexibility about where and how you connect with your clients and teammates, and it means your work no longer needs to be tied to a particular location, such as an office.

Call Management

For businesses that handle high call volumes, efficient call management tools are essential. VoIP providers offer features like:

  • Call holding and forwarding
  • Virtual receptionists
  • Visual voicemail, and
  • Customizable call assignment options

All of this improves efficiency and customer service, making your employees’ jobs easier, and boosting customer satisfaction.

Unified Communications

Many VoIP apps offer full communications suites that include video conferencing, fax, SMS messaging, and real-time chat in one package and allow you to easily switch between them.

Integration

Many business-focused VoIP options include the ability to integrate with other apps your company already uses, such as calendar and contacts tools, and leading CRM apps, such as Salesforce.

Call Quality

Provided you have fast broadband, audio clarity is often higher with VoIP apps when compared to cellular calls. Many VoIP services also offer built-in features like audio codecs to improve audio clarity.

What’s the Best Free VoIP App for iPhone?

If you want to make free VoIP calls from your iPhone, we recommend Zoom or Webex for video calls, but there are limits to the length of the calls and the number of participants.

The best free VoIP app for iPhone for making phone calls is Google Voice, as it lets you call most numbers in the US and Canada for free, unlike other free apps like Skype or Viber.

Bear in mind that there are significant limitations to free services, often making them a bad choice for businesses. Google Voice, for example, only supports 1 user and lacks basic call-handling features.

There’s also no automated response system or call recording. As such, we’d recommend making use of free trials and guarantees on offer with premium services and opting for these instead.

How to Choose An iPhone VoIP Calling App

Mobile VoIP applications are increasingly popular. If you’re ready to make the switch, here are important factors to consider when choosing an iPhone VoIP app:

CostCall QualityFeaturesInternational CallingIntegrationsEase of UseReliabilitySecurity and Compliance

Pricing is a big factor since reducing costs is one of the main reasons to use a VoIP service over a traditional fixed-line phone system. Competition is rife, though, so options certainly aren’t scarce.

Even pricier VoIP solutions are cheaper than traditional phone services, namely because they don’t require specialized hardware such as a Private Branch Exchange (PBX) system.

That said, you’ll still want to take into account the functionality on offer for the price and any hidden costs like international calling. You’ll also want to consider the cost to scale.

Call drops and choppy quality can happen with all phone systems, but VoIP gives you more control over this as it’s dependent on the speed and reliability of your internet connection.

As such, we’d suggest testing your internet speeds and trying a VoIP service with any free trials before you commit. In terms of the VoIP app’s reliability, most offer at least 99.9% uptime.

In fact, most also offer advanced audio codecs to improve audio quality— plus, some even offer AI-enhanced audio features such as background noise reduction and keyboard noise suppression.

VoIP providers offer a huge variety of features, but this varies from provider to provider. You’ll want to look out for call-handling features such as holding, forwarding, queuing, and transferring.

Call monitoring features such as ‘barge’ and ‘whisper’ are handy for call center teams. Note what features you need to ensure that the provider and plan are a good fit for your needs.

If you make a lot of calls to other countries, VoIP apps can be a great inexpensive option. Here’s why:

  • Some include unlimited international calling in their base plans
  • Others offer bundles of international minutes you can add to your service
  • Some will charge you per minute for calls to other countries

If international calls are important to you or your business, make sure the provider you’re looking into using offers this at an affordable price point.

Companies depend on a variety of apps, from calendars and email to customer relationship management (CRM), marketing, and operations software.

Many VoIP providers offer integrations with popular apps such as Microsoft Teams, Google Workspace, or CRM apps like Salesforce. Whichever apps your business relies on, make sure your VoIP provider offers integrations for them.

Today, most VoIP systems can be deployed without installing any additional hardware, which means you can be up and running almost immediately.

Businesses with existing communications hardware, such as IP Phones, will want to make sure the VoIP provider they choose supports their current equipment.

Call analytics and reporting also vary in complexity and configuration, so we suggest taking advantage of any free trials, demos, and guarantees to test the app before committing.

Concerns about reliability are among the reasons businesses sometimes hesitate to switch to VoIP. As they depend on high-speed internet, if your internet drops, your phone system will too.

That said, most VoIP services offer 99.9% to 99.999% uptime. Beyond this, some providers can use your cellular data as a backup, but if this is a big concern, you can also look into installing a UPS.

For organizations, especially those in regulated industries like healthcare, insurance, or government, security is essential. Cloud communications, like VoIP, do have some vulnerabilities.

You’ll want to ensure the VoIP app offers end-to-end encryption and that it meets relevant security standards such as HIPAA, BAA, and FedRAMP.

How to Make a VoIP Call on an iPhone

Making a call using a VoIP app on your iPhone is simple. In this guide, we’ll walk you through how to make a call using the Ooma Office app for iPhone:

  1. Sign Up

    Head to Ooma’s website and choose a plan. Now, enter some basic information about you and your company, choose a password, and pick a new business and toll-free number.
  2. Log In on Your iPhone

    Once you’ve set up your account, download the Ooma Office iOS app from the App Store, then log in using the business phone number and password you just created.
  3. Dial a Number

    Select the Keypad tab at the bottom of the screen, dial the number you want to call and press the green button to start the call. You can also make calls from the Contacts and Recents tab, just like you would when using the built-in phone app on your iPhone.
  4. Use the In-Call Options

    During the call, you’ll see buttons to:
    • Mute
    • Show the keypad
    • Change the audio output
    • Put the call on hold
    • Transfer the call

    Screenshot of Ooma Office's call options.

    The icon with three dots gives access to further options, including call recording and Call Flip, where you can move the call to another device such as your desk phone. When you’re done, press the red button at the bottom of the screen to end the call.

Techopedia’s VoIP Guides

For more, check out our other guides on all the latest rankings in the VoIP space:

Conclusion

The world of iPhone WiFi calling apps is vast, but regardless of what you’re after, we’ve got a solution for everyone here. Above all, we recommend Ooma to anyone after a mobile VoIP app.

It offers unlimited calling in the US and Canada and a range of call-handling features — you can even record calls and share files with your team. Unsure? Try it free for a full month.

iPhone VoIP FAQs

Is there a disadvantage to using an iPhone for VoIP calling?

How can you make free VoIP calls on iPhone?

How do you turn off VoIP on iPhone?

Are VoIP apps for iPhone a good choice for small businesses?

How much do iPhone VoIP apps cost?

References

Harry Werber

Harry is a veteran technology writer who focuses on software, AI and climate tech. He has worked with a range of organizations, from tech startups to enterprise organizations such as Microsoft, Dell and Vodafone. Alongside writing, Harry's experience includes roles leading teams, as well as managing projects, operations, and product development.