Linphone vs Iridium Chat
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- 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
Read full descriptionHide 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.
Iridium Chat
This app enables real-time, app-to-app instant messaging and image sharing globally via a satellite Wi-Fi device. It offers an always-on messaging experience, group chats, and location sharing.
- Real-time app-to-app messaging
- Global satellite network access
- Group chats up to 50 people
- Image sharing with compression
- Location sharing via clickable link
- Contact syncing
Read full descriptionHide full description
A companion app for the Iridium GO! exec® satellite Wi-Fi access device, Iridium Chat harnesses the truly global Iridium® network, allowing app-to-app instant messaging and image sharing from anywhere. Unlike standard apps compatible with Iridium GO! exec, Iridium Chat – utilizing Iridium Messaging Transport® – offers users an "always on," real-time messaging experience. FUNCTIONS AND FEATURES • Send and receive messages while connected to Iridium GO! exec or when using Wi-Fi or cellular data. • Stay connected with group chats of up to 50 individuals. • Share images: Inbuilt compression tool helps ensure better user experience with faster loading time and network efficiency. • Share location: Clickable link shows the user's location in recipient's default maps app. • Sync your contacts: Smart device contacts are synced and sorted so Iridium Chat users are easy to find.
Screenshots
Verdict
The clearest difference is review sentiment: Iridium Chat at 100% against Linphone's 35%. Iridium Chat also leads on rating (5.0 vs 2.7). Linphone's advantage is update cadence (every 2 months vs every 6 months) and ratings volume (10 vs 1). On price, ads, in-app purchases and monetization model 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Iridium Chat holds the better App Store score, 5.0 against 2.7. That said, the two scores are not equally well evidenced: Linphone has 10 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 35% of Linphone's written reviews are positive against 100% of Iridium Chat's.
Linphone ships an update every 2 months, Iridium Chat every 6 months. The most recent releases landed on October 17, 2026 and October 8, 2026 respectively.
| Parameter | Linphone | Iridium Chat |
|---|---|---|
| Price | Free | Free |
| Rating | 2.7 (10 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 35.2% of reviews | 100.0% of reviews — better |
| Number of ratings | 10 — better | 1 |
| Update frequency | Every 2 months — better | Every 6 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.0 — better | 18.0 |
| Further details — not scored | ||
| Size | 69 MB | 99 MB |
| Age rating | 4+ | 4+ |
| Developer | Belledonne Communications SARL | Iridium |
Customer experience
Linphone
Iridium Chat
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
Iridium Chat
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Linphone
No in-app purchases
Iridium Chat
No in-app purchases
Questions
Is Linphone free?
Is Iridium Chat free?
Which has better reviews, Linphone or Iridium Chat?
Do Linphone or Iridium Chat have ads?
Which is updated more often, Linphone or Iridium Chat?
Other comparisons
