STN UC

PortSIP Solutions, Inc. Social Networking iPhoneiPadiPod touch

STN UC is a free Social Networking app for iPhone and iPad by PortSIP Solutions, Inc. Requires iOS 11.0. Updated October 23, 2024.

Price: Free; on the App Store
Size: 54 MB; Age 4+
Updated: Oct 23; 2024 · v2.6.2

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About STN UC

STN-UC is a SIP-based softphone for iPhone that uses Wi-Fi or 4G/LTE connection to make and receive calls and Instant Messages. Interworking with PortSIP PBX, STN-UC support push notification, which allows it receive calls and messages even it was force terminated.

What’s new

Version 2.6.2 · Updated October 23, 2024

improved stability.

App privacy

The developer, PortSIP Solutions, Inc., reported these privacy practices to Apple.

Data Not Collected

The developer does not collect any data from this app.

App details

STN UC is a free Social Networking app for iPhone, iPad and iPod touch, developed by PortSIP Solutions, Inc. It requires iOS 11.0 or later, is 54 MB to download and is available in 11 languages. It was first released on June 9, 2021 and last updated on October 23, 2024.

Category: Social Networking
Price: Free
Version: 2.6.2
Size: 54 MB
Requires: iOS 11.0 or later
Compatibility: iPhone, iPad, iPod touch
Languages: English, French, German, Italian, Japanese, Korean, Polish, Portuguese and 3 more
Age rating: 4+
Released: June 9, 2021
Last updated: October 23, 2024
Developer: PortSIP Solutions, Inc.

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Listing score

Our ASO checklist, run on this App Store listing.

Grade D

Average rating (–): No ratings yet.
Number of ratings (0): More ratings make the average more convincing.
Last update (Oct 23, 2024): 736 days ago.

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Alternatives to STN UC

Looking for apps like STN UC? Here are 6 similar apps on the App Store. The highest rated is VaxPhone - SIP based softphone (5.0/5), and all 6 are free to download.

STN UC vs. alternatives
App	Rating	Price	Last updated	Compare
STN UC	–	Free	October 23, 2024
Castel SIP	–	Free	Mar 13, 2026	Compare
VaxPhone - SIP based softphone	5.0 / 5 (1)	Free	Sep 1, 2025	Compare
PimentoPhone	–	Free	Mar 19, 2026	Compare
SessionTalk SIP Softphone	4.5 / 5 (1,017)	Free	Oct 17, 2026	Compare
Linphone	2.7 / 5 (10)	Free	Sep 28, 2026	Compare
MobileVOIP international calls	4.6 / 5 (16,868)	Free	Apr 20, 2026	Compare

Compare STN UC with the top alternatives: ratings, updates, ASO score and keyword gaps →