# AI Chat vs ChatBrain

The clearest difference is review sentiment: ChatBrain at 100% against AI Chat's 0%. ChatBrain also leads on rating (4.9 vs 4.3) and update cadence (every 2 days vs every 9 days). AI Chat's advantage is ratings volume (106 vs 11) and device support (3 vs 1). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. AI Chat sells 4 in-app purchases, starting at $3.99 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.

ChatBrain holds the better App Store score, 4.9 against 4.3. That said, the two scores are not equally well evidenced: AI Chat has 106 ratings behind it against 11, so its average is the more settled of the two. Written reviews point the same way: 0% of AI Chat's written reviews are positive against 100% of ChatBrain's.

AI Chat ships an update every 9 days, ChatBrain every 2 days. The most recent releases landed on October 24, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | AI Chat | ChatBrain |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.3 (106 ratings)](https://appshunter.io/ios/app/ai-chat-gem-chatbot-assistant/id6448867021/reviews) | **[4.9 (11 ratings)](https://appshunter.io/ios/app/chatbrain-ai-chat-chatbot/id6741812112/reviews)** |
| Number of ratings | **106** | 11 |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 9 days | **Every 2 days** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 77 MB | 65 MB |
| Requires iOS | **12.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 9+ | 17+ |
| Developer | [ARITEK](https://appshunter.io/developer/1686721568) | [Gulf Bay Ventures LLC](https://appshunter.io/developer/1795738256) |

## What reviewers say

### AI Chat

[App page](https://appshunter.io/ios/app/ai-chat-gem-chatbot-assistant/id6448867021)

This AI chatbot assistant offers immediate responses and seamless writing support for any inquiry. It helps users explore creative writing, practice languages, and engage in human-like conversations on any topic.

**Highlights:** Answers any inquiry instantly, Assists with creative writing, Supports language learning and translation, Engages in human-like conversations, Provides coding and math help, Offers recipe and itinerary suggestions

**Features:** Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Subscription | $3.99 | per 7 days |
| 3-Days Free Trail | $5.99 | per 7 days |
| Monthly Subsciption | $8.99 | per month |
| Yearly Subscription | $34.99 | per year |


### 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 AI Chat free?

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

### Is ChatBrain free?

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

### Which has better reviews, AI Chat or ChatBrain?

ChatBrain is rated higher. AI Chat averages 4.3 out of 5 from 106 ratings, while ChatBrain averages 4.9 from 11 ratings.

### Do AI Chat or ChatBrain have ads?

Both AI Chat and ChatBrain show ads.

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

AI Chat ships an update every 9 days, and ChatBrain every 2 days. Most recently, AI Chat was updated on October 24, 2026 and ChatBrain on October 21, 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.*