240+ iOS apps curated and reviewed
Looking for free sip softphone apps? 19 of our 240+ tracked titles are free to download — no subscription, no trial. The rest are premium picks worth paying for.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 |  | Free | 4.4★ (1K) | No | Yes | Aug 2026 |
| 2 |  | Free | 2.6★ (8) | No | No | Aug 2026 |
| 3 |  | Free | 4.2★ (22) | No | No | Aug 2026 |
| 4 |  | Free | 3.0★ (3) | No | Yes | Aug 2026 |
| 5 |  | Free | 4.4★ (1.7K) | No | Yes | Aug 2026 |
| 6 |  | Free | 4.1★ (93) | No | No | Aug 2026 |
| 7 |  | Free | 1.0★ (1) | No | Yes | Jul 2026 |
| 8 |  | Free | — | No | No | May 2026 |
This mobile SIP client integrates with cloud VoIP solutions, offering advanced call management and high-quality communication. It supports various codecs, multiple accounts, and secure calling features, with some premium functionalities available through in-app purchases.
This open-source application provides free audio and video calls, as well as text messaging, over the internet. It allows users to stay reachable at all times via WiFi or mobile data, even when the app is closed. Enjoy secure communication and the ability to connect with traditional phone lines.
This app provides a feature-rich SIP VoIP softphone solution for making and receiving calls over 3G and WiFi. It supports video calls, SMS messaging, multiple accounts, and call recording, with advanced features like call forwarding and conferencing. Provisioning is made easy via QR code for IT managers and VoIP providers.
A professional SIP softphone client for developers and technical teams. It allows seamless connection to SIP systems across mobile and computer devices for account configuration, call control, and diagnostics.
This app allows you to make high-quality voice and video calls over Wi-Fi or 3G using your PBX or VoIP provider. It offers features like call waiting, transfer, and recording, with background operation optimized for battery life. Easily configure accounts with a built-in QR code scanner.
This SIP-based softphone allows users to make and receive calls and instant messages over Wi-Fi or cellular data. It integrates with a PBX for push notifications and offers advanced call management features, including video conferencing. Security is a priority with encrypted signaling and audio.
Engage in a fun-filled anime trivia and memory challenge. Test your knowledge across various mini-games inspired by popular anime worlds. Enjoy smooth animations and offline play.
This app allows you to make and receive internet phone calls using any SIP provider. It features a voice changer to alter your sound, send and receive chat messages, and integrates with your device's contacts. Enjoy background call reception and echo cancellation for clear communication.
This SIP client connects to various telephone systems, offering call management features like hold, mute, and loudspeaker. It includes a phone book, call history, and customizable codecs for efficient communication on the go.
Discover and track your favorite anime, manga, music, and games. Organize your progress with customizable lists, set release reminders, and connect with a community of fans. Explore a vast library and never miss a new episode or release.
This app provides a secure, high-quality VoIP softphone solution for business communication. It supports voice, video, and chat with features like XMPP and SIP SIMPLE, allowing users to stay connected on the go. It offers advanced call management and security options.
This app connects your existing PBX system to the web using WebRTC technology. It enables high-quality audio/video calls, instant messaging, and voicemail-to-email, all optimized for mobile and tablet use.
This app provides high-definition voice and video calls, plus instant messaging, for users of a specific hosted PBX platform. It offers secure calling with TLS encryption and efficient low-bandwidth usage. Setup is simplified through QR code provisioning.
This app is a full-featured SIP softphone that works with any SIP server. It offers on-device AI for real-time call transcription and analysis, with advanced security and network features. It is not a standalone phone service and requires a SIP account from your provider.
This communication tool facilitates SIP-based calls. It allows users to connect and communicate using Voice over IP technology. It is designed for seamless voice interactions.