# ATOM vs ChatRobot

The clearest difference is in-app purchases: ATOM at none against ChatRobot's 3. ChatRobot's advantage is update cadence (every 4 days vs fortnightly). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. ChatRobot sells 3 in-app purchases, starting at $0.99 per 7 days. ATOM asks for nothing beyond the download.

ATOM ships an update fortnightly, ChatRobot every 4 days. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | ATOM | ChatRobot |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.4 (5 ratings)](https://appshunter.io/ios/app/atom-gpt-client-and-ai-chat-bot/id6449739692/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 44.4% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 4 days** |
| Monetization | Free | — |
| Size | 38 MB | 30 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [FORESKO, TOO](https://appshunter.io/developer/1690355373) | [共营 朱](https://appshunter.io/developer/1679892335) |

## What reviewers say

### ATOM

[App page](https://appshunter.io/ios/app/atom-gpt-client-and-ai-chat-bot/id6449739692)

This AI-powered chatbot acts as a personal assistant for work, learning, and socializing. It adapts to your conversation context, allowing for natural, multilingual interactions. Its intuitive interface makes accessing advanced AI capabilities easy and convenient.

**Highlights:** Personalized AI adaptation, Natural language conversation, 24/7 availability, Intuitive user interface, Multifunctional AI assistant

**Features:** macOS Compatibility

**In-app purchases:** none


### ChatRobot

[App page](https://appshunter.io/ios/app/chatrobot-pro/id6464025058)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly member | $0.99 | per 7 days |
| Monthly member | $3.99 | per month |
| Annual member | $14.99 | per year |


## Frequently asked questions

### Is ATOM free?

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

### Is ChatRobot free?

ChatRobot is free to download, with in-app purchases available.

### Do ATOM or ChatRobot have ads?

Neither ATOM nor ChatRobot shows ads.

### Which is updated more often, ATOM or ChatRobot?

ATOM ships an update fortnightly, and ChatRobot every 4 days. Most recently, ATOM was updated on October 24, 2026 and ChatRobot on October 25, 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.*