Turning to an iPhone VoIP just makes sense for the modern entrepreneur. Almost anywhere you work, you can immediately receive calls and texts using a device that’s already in your pocket (and without using your personal number). 

But picking the perfect softphone isn’t quite so cut and dry. With hundreds of VoIP options to choose from, you might be feeling lost in a sea of options. Which app works best for your business, and where should you get started?

Luckily, we’ve got your back. 

In this article, we take a closer look at the factors that go into finding the best VoIP app for iPhone, as well as five top options for business. 

5 best VoIP apps for iPhone

Now that you know what to look out for with an iPhone VoIP solution, here are five apps that can help you streamline your business communication. 

1. OpenPhone

Best VoIP app for iPhone: OpenPhone

OpenPhone’s modern VoIP solution and Apple iOS go together like two peas in a pod. You can use all the native features of your iPhone with a number from OpenPhone to avoid making business calls with your personal ID. Plus, you can get multiple phone numbers within US and Canadian area codes along with toll-free phone numbers in North America. 

Have existing phone number(s) linked with a less flexible VoIP app? Don’t sweat it — you can use OpenPhone’s number porting feature to get all new features with your same number.

With a VoIP number from OpenPhone, you can create shared phone numbers that allow teams to collaborate in real-time. Shared numbers allow everyone to answer incoming calls on whatever device they’re using; teams can make VoIP calls simultaneously using the same number.

OpenPhone’s VoIP solution is designed to grow alongside your team. Our lightweight CRM lets you add unlimited contacts and custom contact properties so you can more effectively build relationships with them.

We also offer thousands of integrations that create dedicated workflows for automatic logging, voicemail forwarding, repeat text messages, and more. You can save time on your routine communication workflows in thousands of ways with Slack, HubSpot, and Zapier

Pricing starts at just $10 per user per month. Try out OpenPhone free with a seven-day trial

Key features:

  • Unlimited phone numbers in the US and Canada
  • Access to North American toll-free numbers
  • Enhanced collaboration with shared phone numbers
  • SMS and MMS texting 
  • Auto-replies and snippets
  • Zapier, HubSpot CRM, and Slack integrations
  • Compatible with any iOS system (macOS, iPadOS, etc.) ​​along with Windows and Android devices

2. Google Voice

Best VoIP app for iPhone: Google Voice

Google Voice is another well-known mobile VoIP service. Their legacy-free VoIP system expands the calling capabilities and features of the iPhone and can synchronize across multiple devices (think your laptop or tablet).

However, Google Voice can be problematic for businesses with multiple members. Only one number is available per account, and no shared numbers are available for teamwork purposes. Even if you’re a solopreneur, being limited to just one phone number could cost you business in the future. 

While Google Voice for personal use is free, Google Voice for Google Workspace (the business plan) does cost money. It’s $10 per user per month to access the basic plan and $6 per month to access Google Workspace. That’s a minimum of $16 per user per month – and just for the lowest tier plan. 😬

Once you sign up for Google Voice, you may also run into other major issues as Voice doesn’t offer call recordings or toll-free numbers. Calls, voicemail, and text messages also live in separate folders in Google Voice’s mobile app, making it far more time-consuming to catch up on conversations. 

Key features:

  • Free voice calls to Canada from the US
  • Unlimited SMS in the US
  • Voicemail transcription
  • Google Meet and Google Calendar integrations
  • Ring groups (upgrade required)

3. Skype

Best VoIP app for iPhone: Skype

Skype, one of the oldest players in the VoIP space, also offers an iPhone app. You can use Skype for iOS to make free video and voice calls with up to 100 Skype users. Unfortunately though, your free phone number can only receive incoming calls. To make calls to mobile devices or landlines, you’d have to purchase a subscription or credits.
And Skype’s calling features are pretty bareboned. Besides caller ID and two-way SMS, there isn’t much else. But yes, you can purchase local numbers (up to 10) to provide a more personal service to your clients.
Finally, remember that Skype isn’t a long-term solution for growing teams. After phasing out Skype for Business, Microsoft only recommends the phone service for teams of 20 or fewer employees.

Skype subscription for calls within the United States costs $2.99 per month for up to 2,000 minutes.

Key features:

  • Free calls and video chat with Skype users
  • Local phone numbers in up to 25 countries
  • Caller ID and SMS support
  • Voicemail

4. Line2 

Best VoIP app for iPhone: Line2

Line2 is a VoIP service provider that lets you use up to five lines on its iPhone app. Despite having multiple lines, you can’t set up a shared phone number for your team members. You can make unlimited calls in Canada and the US, though texts outside the US cost extra.

Line2’s base business phone plan essentially replicates the features your iPhone already offers. You’ll need to pay an extra $10 per month per feature for advanced features like voicemail transcriptions and auto-attendants. 

Setup only takes minutes — create an account and download the app from Apple’s app store — but if you’re looking to sync your virtual phone system with other apps you use via integrations, you won’t find the option in Line2.

Line2’s plans start at $15.99 per user per month.

Key features:

  • Caller ID
  • Voicemail
  • Merged calling (up to 99 callers)
  • Phone number porting (takes up to five weeks)
  • Call forwarding

5. Vonage

Best VoIP app for iPhone: Vonage

Vonage provides lean functionality with its iOS mobile app. It allows users to communicate through calling, texting, and video conferencing. Pricing is lower compared with standard carriers, but Vonage as a VoIP costs more than some other providers.

Vonage offers call recordings and voicemail transcriptions, but these features are only available with the Premium plan. Also, many essential features — like toll-free numbers and business text messaging — are only offered to US-based customers. If your business makes a lot of international calls, you might be better off choosing another app.

Vonage’s business plans vary widely based on how many users you need to sign up. If you’re a solopreneur, you can expect to pay more with plans starting at $19.99 per user per month.

Key features:

  • Call forwarding
  • Call recording
  • Contact list import
  • Voicemail 

6 things to consider when selecting a VoIP app for iPhone

Whether you’re a lean startup or an established business, you’ll want to select a VoIP app that makes daily communications a snap.

Here are six factors you should consider when choosing a VoIP app for your iPhone:

1. Do you need a local or toll-free number?

The type of business phone number you choose to use will set underlying expectations for clients. For example, a local number that starts with a familiar area code might encourage customers to pick up the phone. In contrast, toll-free phone numbers aren’t tied to a specific region but let anyone in the US, Canada, and many other North American regions and countries call you for free. Plus, toll-free numbers can give your business a professional and high-profile appearance.

If you can’t seem to pick between the two, you can always get both with the right provider. 

2. What integrations do they offer? 

One of the best things about VoIP is its ability to connect with thousands of other platforms. From CRMs to accounting software, you can create workflows that save dozens of hours, hundreds of dollars, and countless future headaches. 

VoIP systems without integrations are no different from traditional carriers. 

3. How intuitive is their app?

A confusing VoIP app could seriously damage your business. Spending too much time on dashboards that aren’t user-friendly could throw curveballs into your team’s workflow, costing you customers and precious time.

To avoid this, you’ll want to choose a modernized app with a UX as good as its UI. An easier adoption process means you won’t spend all your time training the team — or waiting to hear back from your business phone provider’s customer support.

4. How can you access the app? 

You’re not always going to be somewhere with landline — but you’ll still need to make calls. Be sure your VoIP app can run on the devices you use every day, including smartphones, laptops, smartwatches, and more.

The best of the best VoIP apps (like OpenPhone) let you make unlimited calls and texts so long as your iPhone has a stable internet connection. If you need to step away from your desk but still on a call, you can switch to your data plan to keep the conversation going. And if you ever wanted to access your number from something other than your iPhone, you can click to call on your Mac to reach contacts in seconds. How’s that for accessibility?

5. What features do they offer that can save you time? 

The VoIP app you choose should be filled to the brim with tools that make your life easier.

A few key features to keep in mind include:

  • Voicemail to text: Features like voicemail transcription can be a lifesaver, especially while on the go. Quickly skim through translated text without having to download an audio file or call a voicemail inbox.
  • Auto-attendants: By using a phone menu that greets callers and gives them options to reach different departments, you can automatically route callers to the right information and teammates. Plus, you can deliver the phone presence of a large company — even if it’s just you. 😉
  • Call analytics: How many calls are you getting? How long are they lasting? Analytics should solve all this and more.

6. How scalable is their offering?

Your business is going to grow — it’s just a matter of when. And if you don’t have the right VoIP app in place, rising to meet greater demands can feel impossible. What if your plan only allows a certain number of users? Can you get additional numbers or create shared numbers for teams? In a nutshell, you should choose a VoIP solution that grows as your business grows

The best VoIP app for iPhone: OpenPhone 

OpenPhone mobile and desktop apps

If you heavily rely on your iPhone to manage your business communications, OpenPhone may be the best VoIP app for your business. OpenPhone offers plenty of automation features and integrations to make your life easier, so you can provide top-notch service directly from your cell phone. Plus, with the convenience of receiving business VoIP calls to any of your iOS devices (Mac, iPad, or iPhone) — you won’t have to worry about missing important calls or texts when your iPhone is charging. Start your free trial of OpenPhone today.

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Austin, TX-based storyteller and content strategist that's helped businesses communicate with their audiences for over seven years. Catch me on the greenbelt or a patio.

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