PortSIP UC is the household name in portsip, but it's far from the only option. We track 75+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.
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.
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.
What We Love
🚀 Easy to set up and use
📞 Good call quality
🌐 Works well with various VoIP providers
💻 Useful for remote work
🤝 Good for business communication
Room to Improve
🐛 Frequent disconnections and registration issues
🔇 Poor audio quality and volume
🔋 High battery consumption
📱 Compatibility issues with newer iOS devices
🔒 Unreliable push notifications and background functionality
PortSIP UC tops our portsip apps ranking as of September 2026, with a 4.1-star average from 93 App Store ratings, and it's free to download.
Are there free portsip apps for iPhone?
Yes — 19 of the top portsip apps we rank are free to download, including PortSIP UC and PortSIP ONE.
Does PortSIP UC have ads or in-app purchases?
PortSIP UC has no ads and has no in-app purchases, according to its App Store listing as of September 2026.
How many portsip apps are on the App Store?
We track 75+ portsip apps on the iOS App Store as of September 2026, ranked by rating, recency, and analysis of real user reviews.
What does PortSIP UC do?
PortSIP UC is a SIP-based softphone application for iPhone that enables users to make and receive voice calls, video calls, and send instant messages. It uses Wi-Fi or 4G/LTE connections for communication and can integrate with PortSIP PBX for enhanced features like push notifications.
What are the key features of PortSIP UC?
Key features include SIP-based calling and messaging, push notifications when integrated with PortSIP PBX, access to the iPhone's contact list, advanced multi-call management (switching, merging, splitting, transfers), video conferencing with MCU support, and secure call signaling and audio encryption. It also supports HD video up to 1080P.