# Delta Chat vs Chataion

The clearest difference is iOS requirement: Chataion at 13.0 against Delta Chat's 15.6. On price, update cadence, ads and in-app purchases there is nothing between them.

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

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on October 24, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Delta Chat | Chataion |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (127 ratings)](https://appshunter.io/ios/app/delta-chat/id1459523234/reviews)** | — |
| Number of ratings | **127** | — |
| Positive reviews | 63.2% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Monetization | Free | — |
| Size | 61 MB | 194 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [merlinux](https://appshunter.io/developer/1459523233) | [Traxnet OU](https://appshunter.io/developer/1461696521) |

## 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


### Chataion

[App page](https://appshunter.io/ios/app/chataion/id6780154519)

**Features:** macOS Compatibility, Siri integration, Apple Wallet, 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 Chataion free?

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

### Do Delta Chat or Chataion have ads?

Neither Delta Chat nor Chataion shows ads.

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

Delta Chat ships an update every 3 weeks, and Chataion every 3 weeks. Most recently, Delta Chat was updated on October 24, 2026 and Chataion on October 10, 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.*