# Atomic Chat vs OmniTroop

The clearest difference is update cadence: Atomic Chat at fortnightly against OmniTroop's monthly. On price, ads, in-app purchases and device support there is nothing between them.

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

Atomic Chat ships an update fortnightly, OmniTroop monthly. The most recent releases landed on October 31, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Atomic Chat | OmniTroop |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.5 (13 ratings)](https://appshunter.io/ios/app/atomic-chat-private-local-ai/id6761720226/reviews)** | — |
| Number of ratings | **13** | — |
| Positive reviews | 80.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Monthly |
| Monetization | Free | — |
| Size | 84 MB | 29 MB |
| Requires iOS | **16.2** | 17.0 |
| Devices | iPhone, iPad | **iPhone, iPad, Apple Watch** |
| Age rating | 9+ | 4+ |
| Developer | [Atomic Mail](https://appshunter.io/developer/1831027051) | [Morten Vinther](https://appshunter.io/developer/966164236) |

## What reviewers say

### Atomic Chat

[App page](https://appshunter.io/ios/app/atomic-chat-private-local-ai/id6761720226)

This AI assistant runs entirely on your device, offering complete privacy and offline functionality. It allows you to ask questions, brainstorm ideas, draft content, and more without needing an internet connection or an account.

**Highlights:** 100% on-device AI processing, Complete privacy, no cloud servers, Offline functionality, No account or sign-up required, Choose from curated language models, Optimized for Apple Silicon

**In-app purchases:** none


### OmniTroop

[App page](https://appshunter.io/ios/app/omnitroop/id6779623006)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Atomic Chat free?

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

### Is OmniTroop free?

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

### Do Atomic Chat or OmniTroop have ads?

Neither Atomic Chat nor OmniTroop shows ads.

### Which is updated more often, Atomic Chat or OmniTroop?

Atomic Chat ships an update fortnightly, and OmniTroop monthly. Most recently, Atomic Chat was updated on October 31, 2026 and OmniTroop on October 24, 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.*