Comparison

Linphone vs SKYTEL UC

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Linphone

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.

Highlights
  • High definition audio and video calls
  • Audio conference calls
  • Picture and file sharing
  • Push notifications for reachability
  • Secure communication with encryption
  • SIP-compliant VoIP service integration
Features
Read full description

Linphone is an open source internet SIP phone or Voice Over IP phone (VoIP). Linphone is an open source app offering free audio/video calls and text messaging. With Linphone, you can be reachable at any time, even if the app is closed, with a WiFi or 3G/4G internet connection. Linphone key features: * high definition audio and video calls * audio conference calls with various participants * pictures and file sharing * Linphone accounts reachable at any time, even if the app is closed (thanks to push notifications) * secure communication (encryption options) * compliant with a large number of SIP-compatible VoIP service providers allowing to reach everyone that has a "classic" phone line. Linphone is available on the main mobile and desktop operating systems and offers various specific features for advanced users (codecs, transport standard, encryption options, DTMF...). For more information, see Linphone project website: www.linphone.org Note for developers and professionals: Linphone can be rebranded and customized to meet specific needs. Contact Belledonne Communications www.belledonne-communications.com for any specific development query.

About

SKYTEL UC

This app is a SIP-based softphone for iPhone, enabling Wi-Fi or cellular calls and instant messaging. It integrates with your contacts for easy management and supports advanced call features like merging and transfers. Enjoy secure communication with encryption and high-definition audio and video.

Highlights
  • SIP-based softphone
  • Wi-Fi or 4G/LTE calls
  • Instant messaging
  • Push notifications for calls/messages
  • Contact list integration
  • Call management (switch, merge, transfer)
  • Video conferencing support
  • Secure call signaling and encryption
Features
Read full description

SKYTEL 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 SKYTEL PBX,SKYTEL UC support push notification, which allows it receive calls and messages even it was force terminated. By using iPhone's existing contact list, SKYTEL UC facilitates easy and effective communication management with an intuitive interface which accommodates multiple calls. Call functionality includes the ability to switch between two calls, merge and split calls and perform attended and unattended transfers. It also supports video conference which needs MCU support. SKYTEL UC incorporates advanced security settings which allows for secure call signaling and audio encryption. It supports up to 1080P video call with H.264 and VP8 codec, and supports HD audio call. Codecs offered includes: G.279, G.711a/u, Opus, AMR, AMR-WB, G.722.1, iLBC, GSM, SPEEX-WEB.

Screenshots

Linphone4 screens
SKYTEL UC4 screens

Verdict

The call

The clearest difference is rating: SKYTEL UC at 5.0 against Linphone's 2.4. SKYTEL UC also leads on iOS requirement (12.0 vs 15.0). Linphone's advantage is ratings volume (9 vs 2). On price, update cadence, ads and in-app purchases there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

SKYTEL UC holds the better App Store score, 5.0 against 2.4. Both are backed by a comparable volume of ratings — 9 and 2 respectively.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on September 22, 2026 and September 9, 2026 respectively.

Scorecard3 real differences · 7 level
Linphone versus SKYTEL UC: the parameters behind the verdict, then further details
ParameterLinphoneSKYTEL UC
PriceFreeFree
Rating2.4 (9 ratings)5.0 (2 ratings) — better
Positive reviews35.2% of reviews—
Number of ratings9 — better2
Update frequencyEvery 2 monthsEvery 2 months
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS15.012.0 — better
Further details — not scored
Size70 MB44 MB
Age rating4+4+
DeveloperBelledonne Communications SARLPortSIP Solutions, Inc.

Customer experience

Linphone

All ratings9 ratings
Positive33.3%
Neutral0.0%
Negative66.7%
Written reviews455 reviews
Positive35.2%
Neutral14.5%
Negative50.3%

SKYTEL UC

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Bugs and requests

Linphone

Reported bugs

4 issues
  • Crashes on startup
  • Incoming calls not working properly
  • Settings not saving correctly
  • Compatibility issues with newer iOS versions

Requested features

4 requests
  • Add support for multiple SIP accounts
  • Improve user interface and navigation
  • Provide more customization options
  • Enhance audio quality and noise cancellation

SKYTEL UC

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Linphone

No in-app purchases

None

SKYTEL UC

No in-app purchases

Questions

Is Linphone free?
Linphone is free to download, with no in-app purchases.
Is SKYTEL UC free?
SKYTEL UC is free to download, with no in-app purchases.
Which has better reviews, Linphone or SKYTEL UC?
SKYTEL UC is rated higher. Linphone averages 2.4 out of 5 from 9 ratings, while SKYTEL UC averages 5.0 from 2 ratings.
Do Linphone or SKYTEL UC have ads?
Neither Linphone nor SKYTEL UC shows ads.
Which is updated more often, Linphone or SKYTEL UC?
Linphone ships an update every 2 months, and SKYTEL UC every 2 months. Most recently, Linphone was updated on September 22, 2026 and SKYTEL UC on September 9, 2026.

Other comparisons