This platform enables VoIP calling and enterprise messaging for businesses. It functions as a SIP-based communication solution, keeping teams connected.





250+ iOS apps curated and reviewed
SIPCore is the household name in sipcore, but it's far from the only option. We track 250+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 | Free | 5.0★ (1) | No | No | Aug 2026 | |
| 2 | Free | 3.0★ (3) | No | Yes | Aug 2026 | |
| 3 | Free | 5.0★ (1) | No | Yes | Aug 2026 | |
| 4 | Free | 3.7★ (68) | No | No | Aug 2026 | |
| 5 | $1.99 | 3.0★ (4) | No | No | Aug 2026 | |
| 6 | Free | 5.0★ (1) | No | No | Aug 2026 | |
| 7 | Free | — | No | No | Jul 2026 | |
| 8 | Free | 4.3★ (16K) | No | No | Aug 2026 |





This platform enables VoIP calling and enterprise messaging for businesses. It functions as a SIP-based communication solution, keeping teams connected.





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 free SIP phone app allows users to configure their own registration server, account details, and network settings. It's designed for developers and operations personnel to test softswitch platforms and debug lines.


This app provides engineers and system administrators with a streamlined way to connect to their servers from Apple devices. It offers features like automatic updates, real-time monitoring, and detailed traffic statistics for seamless remote access.


This powerful SIP softphone offers a flexible and robust calling experience with superb audio quality. It allows you to make calls over various networks and integrates with your existing contacts and SIP solutions, freeing you from traditional desk phones.


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.




This app enables voice and video calls, instant messaging, and conferencing on your mobile device. It allows you to join meetings, manage participants, and access recent conversations. It requires a Skype for Business or Lync account to function fully.




Make affordable national and international calls directly from your iPhone. Save on mobile costs by using this app over various internet connections, including Wi-Fi. Access your contacts and bypass VoIP blockades for seamless communication worldwide.


This app offers secure, instant messaging with a smart toolbox for enhanced communication. It includes AI-generated conversation starters, real-time translation, and a library of chat tips to help users express themselves confidently in any situation.


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 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 application provides a unified communication experience, offering presence, instant messaging, voice, voice messaging, and video calling. It allows users to escalate calls into multi-party conferences and integrates with other collaboration tools.


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.


Connect securely to Windows PCs, virtual apps, and desktops from your iOS or iPadOS device. Access your work environment remotely with ease, managing connections and resources from a unified client.


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 SIP softphone app enhances communication for the VitalPBX Connect platform. It offers HD voice and video, push notifications, and free calling between app users.


Connect instantly with anyone through a simple link, no installations or complex codes needed. Seamlessly communicate via video, audio, chat, and file sharing with enterprise-grade security and high-quality streams. Available across all platforms for effortless collaboration.