# Atom Messenger vs TempChat

The clearest difference is iOS requirement: Atom Messenger at 16.0 against TempChat's 18.0. 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.

Atom Messenger ships an update every 3 weeks, TempChat every 2 weeks. The most recent releases landed on September 6, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | Atom Messenger | TempChat |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 2 weeks** |
| Size | 42 MB | 22 MB |
| Requires iOS | **16.0** | 18.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 17+ | 4+ |
| Developer | [igloocy s.r.l.](https://appshunter.io/developer/1691843040) | [Nicolai Harbo](https://appshunter.io/developer/1783342451) |

## What reviewers say

### Atom Messenger

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

**In-app purchases:** none


### TempChat

[App page](https://appshunter.io/ios/app/tempchat-nothing-remembered/id6742070722)

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

**In-app purchases:** none


## Frequently asked questions

### Is Atom Messenger free?

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

### Is TempChat free?

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

### Do Atom Messenger or TempChat have ads?

Neither Atom Messenger nor TempChat shows ads.

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

Atom Messenger ships an update every 3 weeks, and TempChat every 2 weeks. Most recently, Atom Messenger was updated on September 6, 2026 and TempChat on September 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.*