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The typical lowest starting price. The lowest price available for your business will depend on your needs.
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BEST OVERALL 
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RingCentral | 8×8 | Counterpath Bria Teams | ZoiPer | iSoftPhone | 3CX | Cisco Jabber | Acrobits Groundwire | Line2 | ShoreTel |
$19.99/Month | $25/Month | $4.95/User/Month | $49.95 one-time cost | $35 | Free | By Quote | $10/Month | $10/Month | $5/Month |
4.1
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| 3.9
| 3.7
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| 3.5
| 3.3
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Very easy to set up and scale as necessary. | Option of unlimited or global extensions | Optimized Interface | Free calls between ZoiPer users | One-Step Configuration | Instant Chat Functionality | Interoperability with Many Systems | Specifically Designed for Mobile | Auto Attendant | ShoreTel Communicator Interface |
A softphone app is a piece of software that runs on a desktop computer, tablet or smartphone and allows you to make calls over the Internet, using a VoIP provider. A softphone removes the need for a physical phone base unit or handset, and enables you to make and receive calls – as well as manage contacts – all from the same user interface screen. Conversations can be held via a connected headset, or with a microphone and speakers attached to your computer.
Softphones have numerous advantages over traditional business phone setups:
- No additional hardware costs for desktop handsets
- All the flexibility and call management options afforded by typical VoIP (Voice over Internet Protocol) services
- The option to turn smartphones and other mobile devices into business-level communication tools, which can be used out of the office and on the move
Below, we round up the best softphone apps available in 2021, including their key features and pricing.
Best Softphone Apps
If you already have a business VoIP provider, it's likely that their own softphone app is bundled with your service package. We’ve included several of the most popular such provider-designed softphone apps below, so if you’re already with RingCentral, for example, it would make sense to stick with their app as this will offer optimal integration with your existing phone system.
Alongside these provider softphone platforms, we’ve also listed several other standalone apps that can be used regardless of which VoIP service you use.
With this selection of softphone apps, we're confident that you’ll find exactly the right solution for your requirements – whether you’re a solo entrepreneur, a small business, or a larger enterprise.
The Best Softphone Apps are:
- RingCentral Softphone App – the best app for businesses looking to grow. Highly recommended!
- 8×8 Softphone App – another excellent VoIP app, for 8×8 (one of our top VoIP providers) customers.
- Counterpath Bria Softphone App – best low cost standalone app.
- ZoiPer Softphone App – best free softphone app (although we'd recommend a paid app to avoid frustration in the long term).
- iSoftphone App – a good choice for iOS-only use.
- 3CX Softphone App – another free app, which could suit startup businesses in the short term.
- Cisco Jabber Softphone App – a strong app in conjunction with a full business VoIP solution.
- Acrobits Groundwire Softphone App – a low cost option for mobile use.
- Line2 Softphone App – a fairly good app, for Line2 subscribers.
- ShoreTel Sky Softphone App – a good app for existing ShoreTel/Mitel customers but not recommended for new users.
1. RingCentral
Price: from $19.99/month
The RingCentral softphone application is the best choice for businesses looking for streamlined and long term growth. The app is free if RingCentral is already your VoIP provider. If not, you'll need to sign up to one of four packages– Entry, Standard, Premium or Enterprise – to take advantage of the app's benefits.
Ringcentral's app operates on Windows, Mac, iOS and Android, and provides a wide range of industry-leading VoIP communication features which make it worth the investment, including video calling, messaging, screen-sharing and virtual whiteboards.
The high call quality and wide-ranging functionality will significantly improve your communication and collaboration and provide even better user experience.
Highlights:
- HD voice quality
- Intuitive interface
Key Features:
- Audio conferencing
- Web meetings
- Instant messaging
- Integration with CRM, Outlook and other popular apps
- Presence (the ability to see which users are online in real-time)
2. 8×8
Price: from $25/month
8×8 Virtual Office is another softphone application that comes free when you purchase one of the company’s ongoing VoIP packages. It provides all the VoIP functionality you would expect from an industry-leading provider, and can integrate with Outlook and social media apps.
It works on iOS and Android, as well as Windows and Mac but, again, this is not a standalone softphone and is only available to paid 8×8 X Series subscription or a free 8×8 Express trial customers.
Highlights:
- Integration with Outlook
- Part of 8×8 Virtual Office or Virtual Office Pro
Key Features:
- 3-way calling
- Voicemail
- Call forwarding
- Caller and calling line information
- One-click calling
3. Counterpath Bria Teams
Price: from $4.95/month
Counterpath Bria Teams is a carrier-grade SIP softphone application for Windows, Mac and iOS/Android devices. It includes a range of features specifically designed for business users and can be deployed within an enterprise environment.
If the standard offering doesn't quite live up to your initial expectations, this softphone application can also be customized with a number of add-ons, such as screen share or contact management, to boost its functionality. You can try it free for 30 days before you buy.
Highlights:
- Optimized interface
- Advanced interoperability and configuration
- Carrier-grade application
Key Features:
- Voice and video calling
- Instant messaging
- Enhanced contact management
- Presence
4. Zoiper 5
Price: Free / $49.95 one-time cost
The Zoiper 5 softphone application replaces the former Zoiper 3, Zoiper Classic and Zoiper Web apps, which have been discontinued. It comes as a free version for non-commercial calls on iOS or Android, or a fully-fledged VoIP package for businesses, as Zoiper 5 PRO.
Upgrading to Zoiper 5 PRO enables functionality on Windows or Mac as well as iOS/Android devices, provides military grade encryption for added security, and grants access to unified communications functionality.
Upgrading is a one-time purchase, after which you can place free calls between Zoiper users, and benefit from no recurring monthly fees. Zoiper 5 PRO also works with Asterisk, Freeswitch, Cisco CallManager, 3CX, Elastix and most other modern SIP based PBXs,
Highlights:
- Military-grade security
- All contacts on a single interface
Key Features:
- Audio and video calls
- Fax
- Presence
- Instant messaging
- CRM integration
- Call recording
5. iSoftphone
Price: $35 – $55
iSoftphone is available in four versions – ClassicOS X, ProOS X, iPhone and iPad. All versions offer a fully featured VoIP service that includes audio and video calling, as well as helpful features like online presence monitoring (Presence), call recording, and integration with CRM data.
iSoftPhone combines a wide range of communication methods into an easy to use application with quick, easy configuration. The intuitive Call Panel provides quick access to functionality, and helps improve personal productivity.
Highlights:
- Intuitive functions
- One-step configuration
Key Features:
- Instant messaging
- Integration with CRM
- Call recording
- Presence
- Video calls
6. 3CXPhone
Price: Free
3CXPhone can be used on Windows, Mac, Android and iOS operating systems to make and receive phone calls from a PC, laptop, smartphone or tablet.
The best thing about this softphone application is it's completely free, saving licensing costs and reducing licensing administration.
It provides a useful entry-level VoIP phone solution, although functionality may be limited, compared with paid offerings.
A smart move may be to try this free app first, then if it suits your needs you can always upgrade to a full 3CX VoIP package later on.
Highlights:
- Quick and simple installation
- Open Standards-based next generation softphone
- Easy to use, intuitive user interface with dial pad and buttons
Key Features:
- Presence
- Instant Chat
- Wide choice of VoIP Providers/SIP Trunks
7. Cisco Jabber
Price: By quotation
Cisco Jabber is a softphone application for Android, Blackberry, iPhone and iPad, Mac, and Windows platforms. It offers HD video and desktop sharing capabilities, plus other VoIP features that deliver secure, reliable communications on a wide variety of devices.
Cisco Jabber is a business-class softphone application from a leading provider of VoIP solutions. It offers high call quality, and a wide range of communication and collaboration facilities.
Highlights:
- HD call quality
- Business-class solution
Key Features:
- Presence
- Instant messaging
- Voice messaging
- Desktop sharing
- Conferencing
8. Acrobits Groundwire
Price: $13
This is a business class SIP softphone application designed specifically for mobile users. It combines features business users need with intuitive features created for mobiles.
Groundwire claims to be the first mobile SIP client capable of replacing a desktop phone. It offers good VoIP functionality for mobile users at an affordable price.
Highlights:
- Multi-line
- Designed specifically for mobile
Key Features:
- Video calling
- Call conferencing
- Voicemail Notification
- Enterprise support for SMS
- Call recording
9. Line2
Price: Free to Line2 Pro subscribers
This softphone is only available to Line2 Pro subscribers. The Pro Plan provides an affordable, fully-featured solution for VoIP, and offers many great features for mobile workers.
As part of the Line 2 Pro Plan service, the softphone application provides an ideal solution for mobile workers who want to enjoy the full benefits of a VoIP service when they are away from their desks or working in the field.
Highlights:
- Mobile office with business-grade features
- 500 minutes and unlimited texts
Key Features:
- Auto attendant
- Group conferencing
- Visual voicemail
- Call forwarding
10. ShoreTel
Price: Free to ShoreTel Sky VoIP subscribers
ShoreTel Sky was recently acquired by Mitel, but their Softphone app is still available to users through the Mitel brand. It is modeled on traditional deskphones, which gives it a very intuitive interface, compared to other softphones. It incorporates the ShoreTel Communicator interface to provide access to powerful unified communications tools.
As part of the Mitel VoIP service, the softphone application provides access to a wide range of enterprise-grade VoIP services.
Highlights:
- Requires minimal configuration
- Intuitive interface
Key Features:
- ShoreTel Communicator interface
- Call history
- Voicemail
- Presence
Best Softphone Apps for iPhone and Android
The best softphone app for iPhone and Android is RingCentral. Their VoIP app, which offers access to RingCentral's VoIP features, works across all mobile devices and is our top recommendation.
Many softphone apps have iPhone and Android versions available, but it's worth checking before you take the plunge and sign up. It's a good idea to know what equipment your staff have access to and whether or not the app you choose will be compatible with their platform of choice. Not a problem if you provide equipment through the company, but if you're expecting staff to use their own devices, make sure you know what they're using.
On this page, the best softphone apps that work on both Android and iOS include: RingCentral, Counterpath Bria, ZoiPer and 3CXPhone.
Some softphone apps are platform specific. It's not too surprising to learn that one of our recommended apps, iSoftPhone, only works on Apple devices, so it's even more important to make sure you're selecting an app that the majority of your staff can use.
Moving Forward with VoIP Softphone Apps
If you’re really interested in utilizing a VoIP Softphone app, these reviews can only get you so far. While all this research certainly helps, you’re going to need all the information available before making a decision – and that means understanding exactly how much it will cost your business.
Fortunately, we've provided you with a handy price quote form that can help you get the full picture of what these apps offer and how much you're going to have to pay.
Tech.co is reader-supported. Using Tech.co's comparison form, you can receive quotes from various suppliers, tailored to the needs of your business. If you enter into a contract with a provider, we may receive a payment for the introduction. Equally, if you make a purchase through the links on our site, we may earn a commission from the retailers of the products we have reviewed. This helps Tech.co to provide free advice and reviews. It carries no additional cost to you, and doesn’t affect our editorial independence.
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