Compare the Top Free Softphone Applications as of March 2026

What are Free Softphone Applications?

Softphone applications are software-based phones that allow users to make voice calls over the internet instead of using traditional phone lines. They run on devices like computers, smartphones, or tablets, leveraging VoIP (Voice over Internet Protocol) technology to transmit audio. Softphones offer a range of features, including call forwarding, voicemail, and conferencing, typically integrated with business communication platforms. These apps require only an internet connection and can significantly reduce costs associated with traditional telephony. With the ability to connect globally, softphones are ideal for remote teams, providing flexibility and scalability for businesses. Compare and read user reviews of the best Free Softphone applications currently available using the table below. This list is updated regularly.

  • 1
    3CX

    3CX

    3CX

    3CX is a software-based, open standards IP PBX that offers complete Unified Communications, out of the box. Suitable for any business size or industry 3CX can accommodate every need; from mobility and status to advanced contact center features and more, at a fraction of the cost. Ideal for companies working remotely, 3CX includes mobile apps, video conferencing and website live chat. Installation, management and maintenance of the PBX is so easy that you can effortlessly manage it yourself, whether on an appliance or server at your premise on Windows, Linux or in the cloud. Alternatively you can choose to have it hosted by 3CX for a completely hassle-free solution.
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    Starting Price: Free for up to 10 users
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  • 2
    Zadarma

    Zadarma

    Zadarma

    Powerful Cloud Telephony for Global Businesses Zadarma offers a feature-rich VoIP platform designed for businesses that want flexibility, scalability, and professional communication without high costs. Set up your cloud PBX in minutes, manage international teams, and serve customers worldwide — all from a single interface. Key features: - Virtual phone numbers in 110+ countries - Free cloud PBX with IVR, call routing, and analytics - Integration with CRMs: HubSpot, Zoho, Bitrix24, and more - AI Voice Agent and AI-speech recognition and analytics - Apps for desktop, mobile, and browser-based calling - AI-powered voice agents and call tracking - Full control via web interface and API Ideal for remote teams, support centers, and growing companies looking to modernize their phone systems.
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    Starting Price: $2/month
  • 3
    Callmama

    Callmama

    Callmama Limited

    Discover the Ultimate Connection with Callmama App – Your All-in-One Solution for Unlimited Audio Calling! Experience unbeatable value with our core products: virtual phone numbers from over 60+ countries, seamless international calling, and effortless send/receive SMS messaging – all at the lowest rates on the market, keeping costs minimal while maximizing global reach! Seamlessly compatible with every device, from smartphones and flip phones to landlines, ensuring you're always reachable – no missed opportunities! Elevate your global game with Callmama. Secure virtual numbers in 60+ countries at unbeatable rates. Dive into affordable international calling and SMS that saves big. Stay in control with call forwarding and recording. Plus, easy top-ups and powerful tools make worldwide connections effortless. Download FREE today and transform your world – unlimited!
    Starting Price: $1.99
  • 4
    conXhub

    conXhub

    conXhub

    conXhub is a Cellular software company that addresses the same marketplace as VoIP. Patented technology combines data and cellular - from a single mobile device to an international call-centre infrastructure. Don't spend money on new phones or phone systems, use what you've already got. For businesses that rely on VoIP, we provide an alternative - built on the strengths of mobile networks. No issues with power outages, internet failure, poor quality calls, security, or flexible working.
    Starting Price: $5/month/user
  • 5
    Yeastar Linkus UC Softphone
    Coordinated with on-premises and cloud PBX, Yeastar Linkus Unified Communications App provides you with easy access to enhanced call efficiency with enterprise-grade telephony features across all devices at your choice, and gives you remote working agility with softphone, instant messaging, presence, file sharing and CRM integration, etc.
  • 6
    Rebtel

    Rebtel

    Rebtel

    We automatically find the best phone line to connect your call through. We consistently analyze traffic to give you the lowest price possible. With the ingenious Red Box, we give you a unique experience based on your needs and calling behavior. We make international calling simple, reliable, and cheap based on your unique calling behavior. Get started with Rebtel and make cheap international calls with our app. It’s quick and super easy. With Rebtel, you can use any kind of phone to call any kind of phone, anywhere in the world. That’s because we have optimized your international calling by connecting them through local phone lines saving you money and ensuring great calling quality. Because we connect your call through local phone lines, you don’t have to rely on an internet connection or worry about your call dropping. Instead, you’re avoiding crazy international rates while getting the quality of a local call.
    Starting Price: $1 per 30 minutes
  • 7
    Qubicles

    Qubicles

    Qubicles

    We possess all the features needed to run an enterprise contact center or a 5-agent work-at-home business. Our patent-pending blockchain-based solution includes on-demand staffing, inbound, outbound, live chat, quality assurance, drag-n-drop scripting, advanced reporting, and more. Open APIs and an elastic infrastructure that can quickly scale to meet the most demanding program requirements also come standard. All the features needed to run your contact center, at an affordable price. Agents earn passive income in the form of Qubicle (QBE) crypto tokens by exceeding performance goals. Our built-in university offers candidates to support, service, and sales training to help them qualify for open positions. Includes an easy-to-use cloud contact center software for inbound, outbound and blended operations of all sizes.
    Starting Price: $0.02
  • 8
    Express Talk

    Express Talk

    NCH Software

    Express Talk is software that works like a telephone to let you make calls from your PC. With Express Talk you can call anyone on the internet who has installed Express Talk (or any other SIP voip softphone). Calls are free. You can also call ordinary telephone numbers anywhere in the world if you sign up to a gateway service. It uses the SIP protocol and is compatible with most major VoIP SIP service providers.
    Starting Price: $34.99/one-time
  • 9
    Phone by Google
    Google's official phone call app is now available for download for the first time. Phone helps you easily contact family and friends, block spam calls, and know who's calling before you answer, all in a simple, intuitive design. Receive warnings about suspicious calls to help you avoid unwanted spammers, telemarketers, and scammers. Block numbers to prevent them from calling you again. Google Caller ID's broad coverage lets you know which business is calling so you can answer with confidence. Call Filter answers calls from unknown callers, filters out detected spammers without bothering you, and gives you more information about calls from unknown callers before you answer. Check your messages without having to call voice mail. You can view or play them in any order, read the transcripts, and delete or save them right from the app. With our light and simple design, you can access your contacts with just one touch.
    Starting Price: Free
  • 10
    VoipBuster

    VoipBuster

    VoipBuster

    VoipBuster is a free program that uses the latest technology to bring free and high-quality voice communications to people all over the world. When you use the free VoipBuster software, you can call regular phones in various popular destinations for free or call at an incredibly low rate to any other phone on the planet. You can also call all your online friends (pc-to-pc calls) for as long as you like, for free. Just click here to download VoipBuster; the download should take only a few moments depending on your connection speed. With VoipBuster you can call and SMS anywhere in the world at the lowest rates possible. And best of all, you can call several popular destinations for free! Rates are charged in cents per minute and calls are rounded up to the next minute. All rights reserved. Rates are subject to change without notice. Please note that you will be charged a set up fee of 5 cents on phone-to-phone calls.
    Starting Price: €2 per month
  • 11
    VoipStunt

    VoipStunt

    VoipStunt

    VoipStunt is a free program that uses the latest technology to bring free and high-quality voice communications to people all over the world. When you use the free VoipStunt software, you can call regular phones in various popular destinations for free or call at an incredibly low rate to any other phone on the planet. You can also call all your online friends (peer-to-peer calls) for as long as you like, for free. Just click here to download VoipStunt; the download should take only a few moments depending on your connection speed. With VoipStunt you can call and SMS anywhere in the world at the lowest rates possible. And best of all, you can call several popular destinations for free! Rates are charged in cents per minute and calls are rounded up to the next minute. All rights reserved. Rates are subjected to change without notice. Please note that you will be charged a set-up fee of 5 cents on phone-to-phone calls.
    Starting Price: Free
  • 12
    Textr Go
    Textr Go helps you keep in touch with your loved ones, stay active in your social circle, and enjoy your personal life. Don’t miss a good chance to get a personal phone number and use it wherever you are. Stay connected on a clear and reliable phone system with an affordable plan. You can design your phone plan. Simply apply for a phone number online, separate business and personal contacts, and upgrade to unlimited texting and calling when needed. Eligible for a free Canada or US phone number in minutes. Flexible plans with text and call starting from $0 monthly, and upgrade your phone plan anytime anywhere. Assign familiar contacts to your primary number, and get messages and calls from strangers on a secondary phone number. A worldwide used mobile phone number to call and text. Just connect to WiFi, and you can reach anyone anywhere at the most competitive rate. Feel free to pick your desired area code, custom voicemail greeting, or choose your favorite profile.
    Starting Price: $6.99 per month
  • 13
    008

    008

    008

    008 Agent is an open source, event-driven, AI-powered softphone designed to revolutionize VoIP communication. It enables users to make calls effortlessly, seamlessly log call events and interactions, and transfer call data to preferred CRMs and tools. The platform offers features such as speech-to-text transcription, allowing users to transcribe calls into text and export them automatically into their CRM or other tools. Upcoming features include sentiment analysis to understand caller sentiment evolution throughout the call, summarization to condense information and provide key insights at a glance, and a programmable conversational agent infused with cutting-edge large language models like ChatGPT, allowing users to craft tailored interactions that cater to unique needs. 008 Agent is compatible with macOS, Windows, and Linux, and accessible via the web, making it a versatile solution for various professional needs.
    Starting Price: Free
  • 14
    maaiiconnect
    maaiiconnect makes customer engagement simple. It is the only cloud-based platform that brings digital and telecom communications together to help businesses deliver seamless customer experiences. Be a truly omnichannel business. Centralise channels such as WhatsApp, WeChat, Facebook Messenger, SMS, Virtual Numbers, Video Conferencing, and a Web Communications Widget for Live Chat and Web Calls into one place with full customer relationship history, customer data, CRM, ticketing system, and rich insights.
    Starting Price: Free
  • 15
    PXO+

    PXO+

    L7TR

    PXO+ softphone features: (1) PXO+ is the perfect softphone for RTC (2) PXO+ is very flexible with hundreds of configurable features (3) PXO+ is ideal for SIP and RTP feature testing (4) PXO+ supports multiple speech and audio codecs (5) PXO+ supports multiple video codecs (6) PXO+ provides scripting via VoiceXML (7) PXO+ is ideal for VoIP and RTC QA scenarios (8) STIR/SHAKEN
  • 16
    Cybtel

    Cybtel

    Cybtel

    Introducing Cybtel, the ultimate solution for international calling, texting, and DID number provision. With Cybtel, distance is no longer a barrier to staying connected with loved ones or conducting business worldwide. Experience unparalleled clarity and convenience in your global communications journey.
  • 17
    Heyo Phone

    Heyo Phone

    Heyo Phone

    One Number for you & staff to connect all Calls & WhatsApp with distribution & recording. Don’t confuse customers with different numbers. Connect all staff on one Heyo Phone digital number. Keep business chats in your control. Connect WhatsApp to Heyo Phone and share access with staff. Distribute calls to your staff & ensure no calls are missed. Improve your staff performance and pitch by listening to call recordings. One number to connect you & staff and handle all calls & WhatsApp messages. Record all calls and analyze customer service by your staff or receptionist. Distribute Calls & WhatsApp to staff with intelligent call routing. Connect with callers on WhatsApp & build engagement for repeat business.
    Starting Price: Free
  • 18
    Grandstream Wave

    Grandstream Wave

    Grandstream Networks

    Grandstream Wave is a FREE softphone application that allows users to make and receive voice calls through up to 6 different business or residential SIP accounts on any Android device from anywhere in the world. Supports G.711µ/a, G.722 (HD-audio), G.726-32, G.729, GSM, iLBC, Opus and Speex codecs. Security features include SIP over TLS and 128/256-bit SRTP. Up to 6-way audio conference, and 24 virtual BLF keys Supports 6 SIP accounts. Native integration with mobile devices including contact, call history and ringtones. Enterprise features including IP PBX integration, BLF, call transfer/pickup, call recording with UCM, LDAP. Automatic call forwarding based on time and location rules. Full integration with Grandstream’s UCM-series of IP PBXs, including creation of QR code for automatic provisioning. Voice channel switching between Bluetooth, earphone, speakerphone & 3.5mm headset Supports 2-way video calls based on SIP & H.264 video codec.
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