# Atoma IOC vs Chat AI Plus

The clearest difference is in-app purchases: Atoma IOC at none against Chat AI Plus's 10. Atoma IOC also leads on iOS requirement (12.0 vs 16.6). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Chat AI Plus sells 10 in-app purchases, starting at $1.99 per 7 days. Atoma IOC asks for nothing beyond the download.

Atoma IOC ships an update every 5 weeks, Chat AI Plus every 3 weeks. Both last shipped on November 3, 2026.

## The numbers

| Metric | Atoma IOC | Chat AI Plus |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.7 (1.8K ratings)](https://appshunter.io/ios/app/chat-ai-plus/id6447444893/reviews)** |
| Number of ratings | — | **1.8K** |
| Positive reviews | — | 54.1% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 3 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 118 MB | 171 MB |
| Requires iOS | **12.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 17+ |
| Developer | [Atoma Technology Co .ltd](https://appshunter.io/developer/1550541965) | [Elisaveta Kalmikova](https://appshunter.io/developer/1702744064) |

## What reviewers say

### Atoma IOC

[App page](https://appshunter.io/ios/app/atoma-ioc/id1568251375)

**Features:** macOS Compatibility

**In-app purchases:** none


### Chat AI Plus

[App page](https://appshunter.io/ios/app/chat-ai-plus/id6447444893)

This app offers advanced AI-powered chat capabilities, leveraging cutting-edge models for insightful responses. It assists with tasks like document analysis, image generation, and voice-to-text conversion, simplifying daily life and boosting productivity.

**Highlights:** Advanced AI chat powered by GPT models, AI-powered document analysis and summarization, AI image generation from text descriptions, Voice-to-text conversion, AI Scanner for problem-solving, YouTube and web content summarization, Automatic chat saving

**Features:** Vision Pro support

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Chat AI Plus - AI Writer | $1.99 | per 7 days |
| AI bot: genius helper + assist | $3.99 | per 7 days |
| Chat AI Plus Weekly Pro | $5.99 | per 7 days |
| Chat AI PLus - Ask Anything | $6.99 | per 7 days |
| Chat AI Plus - AI Assistant | $29.99 | per year |
| Chat AI Assistant | $34.99 | per year |
| Chat AI Plus Annual Pro | $39.99 | per year |
| Chat AI Assistant Premium Yearly | $49.99 | per year |
| PRO Plan Chat AI | $49.99 | per year |
| Chat AI Plus - AI Writer | $49.99 | per year |


## Frequently asked questions

### Is Atoma IOC free?

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

### Is Chat AI Plus free?

Chat AI Plus is free to download, with in-app purchases available.

### Do Atoma IOC or Chat AI Plus have ads?

Neither Atoma IOC nor Chat AI Plus shows ads.

### Which is updated more often, Atoma IOC or Chat AI Plus?

Atoma IOC ships an update every 5 weeks, and Chat AI Plus every 3 weeks. Most recently, Atoma IOC was updated on November 3, 2026 and Chat AI Plus on November 3, 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.*