# ChatPro vs Chatosai

The clearest difference is update cadence: ChatPro at every 2 days against Chatosai's every 5 days. ChatPro also leads on iOS requirement (13.4 vs 15.1). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. ChatPro sells 2 in-app purchases, starting at $7.99 per 7 days and Chatosai sells 2 in-app purchases, starting at $19.99 per month. Whichever you choose, the download price is not the number that matters.

ChatPro ships an update every 2 days, Chatosai every 5 days. The most recent releases landed on October 24, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | ChatPro | Chatosai |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 5 days |
| Monetization | Free with in-app purchases | — |
| Size | 37 MB | 52 MB |
| Requires iOS | **13.4** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [LOMRAY SOFTWARE LLC](https://appshunter.io/developer/1652960796) | [Hasna Dedoush](https://appshunter.io/developer/1883805133) |

## What reviewers say

### ChatPro

[App page](https://appshunter.io/ios/app/chatpro-ai-chatbot-assistant/id6479369872)

An AI assistant that helps with writing, problem-solving, creative art generation, translation, research, and personalized assistance. It integrates seamlessly into your workflow to boost productivity.

**Highlights:** AI-powered writing assistance, Generate AI art from text, Solve complex problems and math, Multilingual translation, Research and summarize information, Personalized response customization

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PRO - 1 Week | $7.99 | per 7 days |
| Premium - Annual | $49.99 | per year |


### Chatosai

[App page](https://appshunter.io/ios/app/chatosai/id6760315763)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Chatosai Monthly | $19.99 | per month |
| Premium Chatosai | $199.99 | per year |


## Frequently asked questions

### Is ChatPro free?

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

### Is Chatosai free?

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

### Do ChatPro or Chatosai have ads?

Neither ChatPro nor Chatosai shows ads.

### Which is updated more often, ChatPro or Chatosai?

ChatPro ships an update every 2 days, and Chatosai every 5 days. Most recently, ChatPro was updated on October 24, 2026 and Chatosai 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.*