# ChatApp vs CompuSan

The clearest difference is update cadence: ChatApp at every 2 weeks against CompuSan'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.

ChatApp ships an update every 2 weeks, CompuSan monthly. Both last shipped on October 25, 2026.

## The numbers

| Metric | ChatApp | CompuSan |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (220 ratings)](https://appshunter.io/ios/app/chatapp-ai-assistant/id6756631696/reviews)** | — |
| Number of ratings | **220** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Monthly |
| Monetization | Free with in-app purchases | — |
| Size | 120 MB | 117 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Novatech Studio](https://appshunter.io/developer/1861942545) | [Spartan Chemical Company](https://appshunter.io/developer/483177301) |

## What reviewers say

### ChatApp

[App page](https://appshunter.io/ios/app/chatapp-ai-assistant/id6756631696)

Access multiple powerful AI models for writing, brainstorming, summarization, and conversation. Generate images, transform photos with AI filters, and get real-time web search results. All your chats are saved and organized.

**Highlights:** Access multiple AI models, AI image generation, AI photo filters, Real-time web search, File and image attachment, Saved and organized chats

**Features:** macOS Compatibility

**In-app purchases:** none


### CompuSan

[App page](https://appshunter.io/ios/app/compusan/id6758158726)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is ChatApp free?

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

### Is CompuSan free?

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

### Do ChatApp or CompuSan have ads?

Neither ChatApp nor CompuSan shows ads.

### Which is updated more often, ChatApp or CompuSan?

ChatApp ships an update every 2 weeks, and CompuSan monthly. Most recently, ChatApp was updated on October 25, 2026 and CompuSan 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.*