# Chat AI vs ChatBrain

The clearest difference is update cadence: ChatBrain at every 2 days against Chat AI's fortnightly. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Chat AI sells 2 in-app purchases, starting at $5.99 per 7 days and ChatBrain sells 4 in-app purchases, starting at $3.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Chat AI ships an update fortnightly, ChatBrain every 2 days. The most recent releases landed on October 27, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | Chat AI | ChatBrain |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.9 (11 ratings)](https://appshunter.io/ios/app/chatbrain-ai-chat-chatbot/id6741812112/reviews)** |
| Number of ratings | — | **11** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Fortnightly | **Every 2 days** |
| Monetization | — | Free with in-app purchases |
| Size | 23 MB | 65 MB |
| Requires iOS | 16.0 | 16.0 |
| Devices | iPhone | iPhone |
| Age rating | 17+ | 17+ |
| Developer | [Vladislav Mikheenko](https://appshunter.io/developer/1459232915) | [Gulf Bay Ventures LLC](https://appshunter.io/developer/1795738256) |

## What reviewers say

### Chat AI

[App page](https://appshunter.io/ios/app/chat-ai-chatbot-and-assistant/id6447901464)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Week | $5.99 | per 7 days |
| Premium Month | $14.99 | per month |


### ChatBrain

[App page](https://appshunter.io/ios/app/chatbrain-ai-chat-chatbot/id6741812112)

This AI assistant leverages advanced models to provide intelligent conversations, assist with writing and coding, generate images from descriptions, and simplify research. It offers a no-login experience for instant use, making it a versatile tool for creativity and productivity.

**Highlights:** Intelligent conversations and assistance, AI writing and editing tools, AI image generation, Coding and debugging help, Research and learning simplification, No login required

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Unlimited | $3.99 | per 7 days |
| Annual Premium | $24.99 | per year |
| ChatBrain Token Bundle | $5.99 | one-time |
| Lifetime Unlimited | $69.99 | one-time |


## Frequently asked questions

### Is Chat AI free?

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

### Is ChatBrain free?

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

### Do Chat AI or ChatBrain have ads?

Both Chat AI and ChatBrain show ads.

### Which is updated more often, Chat AI or ChatBrain?

Chat AI ships an update fortnightly, and ChatBrain every 2 days. Most recently, Chat AI was updated on October 27, 2026 and ChatBrain on October 21, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*