# CypherChat vs Atom Messenger

The clearest difference is update cadence: Atom Messenger at every 3 weeks against CypherChat's every 6 months. CypherChat's advantage is device support (3 vs 1). On price, ads, in-app purchases and iOS requirement there is nothing between them.

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

CypherChat ships an update every 6 months, Atom Messenger every 3 weeks. The most recent releases landed on June 20, 2026 and September 6, 2026 respectively.

## The numbers

| Metric | CypherChat | Atom Messenger |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/cypherchat/id1615735568/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 3 weeks** |
| Monetization | Free | — |
| Size | 8 MB | 42 MB |
| Requires iOS | **15.6** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 12+ | 17+ |
| Developer | [Cypher Tech Inc.](https://appshunter.io/developer/1615735570) | [igloocy s.r.l.](https://appshunter.io/developer/1691843040) |

## What reviewers say

### CypherChat

[App page](https://appshunter.io/ios/app/cypherchat/id1615735568)

This secure messaging platform prioritizes user privacy with anonymous sign-up and end-to-end encryption. It offers features like AI assistance, document summarization, and secure audio/video calls, all without collecting personal data.

**Highlights:** Anonymous sign-up, End-to-end encrypted chats, AI assistant for content generation and web search, PDF summarization tool, Peer-to-peer audio/video calls, Secure file sharing, Disappearing messages

**In-app purchases:** none


### Atom Messenger

[App page](https://appshunter.io/ios/app/atom-messenger/id6450101210)

**In-app purchases:** none


## Frequently asked questions

### Is CypherChat free?

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

### Is Atom Messenger free?

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

### Do CypherChat or Atom Messenger have ads?

Neither CypherChat nor Atom Messenger shows ads.

### Which is updated more often, CypherChat or Atom Messenger?

CypherChat ships an update every 6 months, and Atom Messenger every 3 weeks. Most recently, CypherChat was updated on June 20, 2026 and Atom Messenger on September 6, 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.*