Comparison

Linphone vs Tranzparency

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

Tranzparency

Features
Read full description

Imagine this...you are alone and in an unfamiliar place or environment in a dangerous life-threatening situation. Even worse, think of the person you love the most in the same predicament. How grateful would you feel knowing that with a touch of a button you or your loved one can immediately connect with the community, the authorities, and your closest confidants? TRANZPARENCY is that lifeline! TRANZPARENCY has an alarm that sounds when you need the attention of someone nearby for your protection. TRANZPARENCY has a button that connects with emergency services at any time. TRANZPARENCY has the ability to video chat and message with any of your chosen contacts, instantly sharing your location. The main feature of the TRANZPARENCY app is an SOS button designed to combine the following functions for dire emergencies: 1. Connect to emergency services. 2. Alerting all contacts and TRANZPARENCY subscribers in your immediate area that you need help. 3. Immediately starting a live video chat with chosen contacts and other TRANZPARENCY subscribers in the area. 4. Instantly sharing your location with pinpoint GPS accuracy via geolocation. TRANZPARENCY, your Personal Emergency Alert System (PEAS)

Screenshots

Linphone4 screens
Tranzparency4 screens

Verdict

The call

The clearest difference is in-app purchases: Linphone at none against Tranzparency's 1. Tranzparency's advantage is update cadence (every 3 weeks vs every 2 months) and iOS requirement (13.4 vs 15.0). On price, ads and device support 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. Tranzparency sells 1 one-off in-app purchase. Linphone asks for nothing beyond the download.

UpkeepUpdate frequency

Linphone ships an update every 2 months, Tranzparency every 3 weeks. The most recent releases landed on September 22, 2026 and September 9, 2026 respectively.

Scorecard3 real differences · 7 level
Linphone versus Tranzparency: the parameters behind the verdict, then further details
ParameterLinphoneTranzparency
PriceFreeFree
Rating2.4 (9 ratings) — better—
Positive reviews35.2% of reviews—
Number of ratings9 — better—
Update frequencyEvery 2 monthsEvery 3 weeks — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree—
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS15.013.4 — better
Further details — not scored
Size70 MB96 MB
Age rating4+17+
DeveloperBelledonne Communications SARLTranzparency LLC

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

Tranzparency

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Linphone

No in-app purchases

1 purchases

Tranzparency

One-time1
  • Tranzparency starter plan$9.99

Questions

Is Linphone free?
Linphone is free to download, with no in-app purchases.
Is Tranzparency free?
Tranzparency is free to download, with in-app purchases available.
Do Linphone or Tranzparency have ads?
Neither Linphone nor Tranzparency shows ads.
Which is updated more often, Linphone or Tranzparency?
Linphone ships an update every 2 months, and Tranzparency every 3 weeks. Most recently, Linphone was updated on September 22, 2026 and Tranzparency on September 9, 2026.

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