# Linphone vs Iridium Chat

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.

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 20, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Linphone | Iridium Chat |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.7 (10 ratings)](https://appshunter.io/ios/app/linphone/id360065638/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/iridium-chat/id6476648492/reviews)** |
| Number of ratings | **10** | 1 |
| Positive reviews | 35.4% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 6 months |
| Monetization | Free | Free |
| Size | 69 MB | 99 MB |
| Requires iOS | **15.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Belledonne Communications SARL](https://appshunter.io/developer/694969034) | [Iridium](https://appshunter.io/developer/634954979) |

## What reviewers say

### Linphone

[App page](https://appshunter.io/ios/app/linphone/id360065638)

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:** Siri integration, Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 👍 Good call quality
- 🚀 Works well with SIP providers
- 💡 Useful features like DTMF support

**What reviewers complain about**

- 🐛 Buggy, crashes frequently
- 🔑 Issues with account setup and configuration
- 🔒 Security concerns with password handling
- 🔋 Unreliable background/push notification support

**Reported bugs**

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

**Requested features**

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


### Iridium Chat

[App page](https://appshunter.io/ios/app/iridium-chat/id6476648492)

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.

**Highlights:** 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

**In-app purchases:** none


## Frequently asked questions

### Is Linphone free?

Linphone is free to download, with no in-app purchases.

### Is Iridium Chat free?

Iridium Chat is free to download, with no in-app purchases.

### Which has better reviews, Linphone or Iridium Chat?

Iridium Chat is rated higher. Linphone averages 2.7 out of 5 from 10 ratings, while Iridium Chat averages 5.0 from 1 ratings.

### Do Linphone or Iridium Chat have ads?

Neither Linphone nor Iridium Chat shows ads.

### Which is updated more often, Linphone or Iridium Chat?

Linphone ships an update every 2 months, and Iridium Chat every 6 months. Most recently, Linphone was updated on October 20, 2026 and Iridium Chat on October 8, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*