# Delta Chat vs Mosavi

The clearest difference is rating: Delta Chat at 4.5 against Mosavi's 3.9. Delta Chat also leads on review sentiment (63% vs 32%). On price, ratings volume, update cadence and ads there is nothing between them.

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

Delta Chat holds the better App Store score, 4.5 against 3.9. Both are backed by a comparable volume of ratings — 127 and 87 respectively. Written reviews point the same way: 63% of Delta Chat's written reviews are positive against 32% of Mosavi's.

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on October 18, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | Delta Chat | Mosavi |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (127 ratings)](https://appshunter.io/ios/app/delta-chat/id1459523234/reviews)** | [3.9 (87 ratings)](https://appshunter.io/ios/app/mosavi/id6737590326/reviews) |
| Number of ratings | **127** | 87 |
| Positive reviews | **63.2% of reviews** | 32.1% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Monetization | Free | Free |
| Size | 61 MB | 95 MB |
| Requires iOS | **15.6** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [merlinux](https://appshunter.io/developer/1459523233) | [Mosavi](https://appshunter.io/developer/1777196955) |

## What reviewers say

### Delta Chat

[App page](https://appshunter.io/ios/app/delta-chat/id1459523234)

This decentralized messenger offers private, secure, and reliable instant messaging. It allows for easy setup on multiple devices and supports multiple chat profiles without requiring a phone number. Enjoy end-to-end encryption and the flexibility to run it with your own email or server.

**Highlights:** Decentralized instant messaging, Private onboarding without phone number, End-to-end encryption, Multiple chat profiles, Works on multiple devices, Self-hosted option

**Features:** Vision Pro support

**In-app purchases:** none


### Mosavi

[App page](https://appshunter.io/ios/app/mosavi/id6737590326)

This app provides a decentralized and encrypted messaging experience using the Nostr protocol. It prioritizes user privacy with anonymous registration and end-to-end encryption for all communications. Enjoy secure voice, video, and group chats without sharing personal information.

**Highlights:** End-to-end encryption, Anonymous registration, Decentralized architecture, Voice and video calls, Group chat creation

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Delta Chat free?

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

### Is Mosavi free?

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

### Which has better reviews, Delta Chat or Mosavi?

Delta Chat is rated higher. Delta Chat averages 4.5 out of 5 from 127 ratings, while Mosavi averages 3.9 from 87 ratings.

### Do Delta Chat or Mosavi have ads?

Neither Delta Chat nor Mosavi shows ads.

### Which is updated more often, Delta Chat or Mosavi?

Delta Chat ships an update every 3 weeks, and Mosavi every 3 weeks. Most recently, Delta Chat was updated on October 18, 2026 and Mosavi on October 20, 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.*