# Chat AI Plus vs DocumentChatApp

The clearest difference is update cadence: Chat AI Plus at every 3 weeks against DocumentChatApp's every 8 months. DocumentChatApp's advantage is iOS requirement (13.0 vs 16.6). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Chat AI Plus sells 15 in-app purchases, starting at $1.99 per 7 days and DocumentChatApp sells 2 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

Chat AI Plus ships an update every 3 weeks, DocumentChatApp every 8 months. The most recent releases landed on October 14, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | Chat AI Plus | DocumentChatApp |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (1.7K ratings)](https://appshunter.io/ios/app/chat-ai-plus/id6447444893/reviews)** | — |
| Number of ratings | **1.7K** | — |
| Positive reviews | 54.1% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 8 months |
| Monetization | Free with in-app purchases | — |
| Size | 171 MB | 44 MB |
| Requires iOS | 16.6 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 17+ | 17+ |
| Developer | [Elisaveta Kalmikova](https://appshunter.io/developer/1702744064) | [DataFortress.cloud GmbH](https://appshunter.io/developer/1805593741) |

## What reviewers say

### 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 (15)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Chat AI Plus - AI Writer | $1.99 | per 7 days |
| Chat AI PLus - Ask Chat | $2.99 | per 7 days |
| AI bot: genius helper + assist | $3.99 | per 7 days |
| Chat AI Assistant PLUS Weekly | $4.99 | 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 Plus - AI Assistant | $49.99 | 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 |
| Chat Ai Plus - AI Helper | $59.99 | per year |
| Chat AI Plus - Essay Writer | $59.99 | per year |


### DocumentChatApp

[App page](https://appshunter.io/ios/app/documentchatapp/id6744027406)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Plus Monthly | $9.99 | per month |
| Plus Yearly | $199.00 | per year |


## Frequently asked questions

### Is Chat AI Plus free?

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

### Is DocumentChatApp free?

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

### Do Chat AI Plus or DocumentChatApp have ads?

Neither Chat AI Plus nor DocumentChatApp shows ads.

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

Chat AI Plus ships an update every 3 weeks, and DocumentChatApp every 8 months. Most recently, Chat AI Plus was updated on October 14, 2026 and DocumentChatApp on October 4, 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.*