# Atomic Chat vs AstralDeep

The clearest difference is device support: AstralDeep at 4 against Atomic Chat's 2. 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.

Atomic Chat ships an update fortnightly, AstralDeep every 11 days. The most recent releases landed on October 24, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Atomic Chat | AstralDeep |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.6 (12 ratings)](https://appshunter.io/ios/app/atomic-chat-private-local-ai/id6761720226/reviews)** | — |
| Number of ratings | **12** | — |
| Positive reviews | 80.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 11 days** |
| Monetization | Free | — |
| Size | 84 MB | 39 MB |
| Requires iOS | **16.2** | 17.0 |
| Devices | iPhone, iPad | **iPhone, iPad, Mac, Apple Watch** |
| Age rating | 9+ | 9+ |
| Developer | [Atomic Mail](https://appshunter.io/developer/1831027051) | [Personalized AI Labs LLC](https://appshunter.io/developer/887502169) |

## 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


### AstralDeep

[App page](https://appshunter.io/ios/app/astraldeep/id6789190465)

**Features:** 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 AstralDeep free?

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

### Do Atomic Chat or AstralDeep have ads?

Neither Atomic Chat nor AstralDeep shows ads.

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

Atomic Chat ships an update fortnightly, and AstralDeep every 11 days. Most recently, Atomic Chat was updated on October 24, 2026 and AstralDeep on October 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.*