# AI Chat vs Second Brain

The clearest difference is rating: Second Brain at 4.8 against AI Chat's 4.3. AI Chat's advantage is update cadence (every 6 days vs every 4 weeks) and device support (3 vs 1). On price, ratings volume, ads and in-app purchases there is nothing between them.

Both are free to download. AI Chat sells 3 in-app purchases, starting at $6.99 per 7 days and Second Brain sells 3 in-app purchases, starting at $5.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Second Brain holds the better App Store score, 4.8 against 4.3. Both are backed by a comparable volume of ratings — 46 and 61 respectively.

AI Chat ships an update every 6 days, Second Brain every 4 weeks. The most recent releases landed on October 26, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | AI Chat | Second Brain |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.3 (46 ratings)](https://appshunter.io/ios/app/ai-chat-chatbot-assistant/id1669352643/reviews) | **[4.8 (61 ratings)](https://appshunter.io/ios/app/second-brain-ai-chat/id6446254904/reviews)** |
| Number of ratings | 46 | **61** |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 6 days** | Every 4 weeks |
| Monetization | Freemium | Freemium |
| Size | 22 MB | 78 MB |
| Requires iOS | **14.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 12+ | 17+ |
| Developer | [Soufiane Benabid](https://appshunter.io/developer/938808835) | [Tairs Rzajevs](https://appshunter.io/developer/1576119083) |

## What reviewers say

### AI Chat

[App page](https://appshunter.io/ios/app/ai-chat-chatbot-assistant/id1669352643)

This AI-powered chatbot generates various content, from creative writing and code to essays and emails. It offers immediate responses to questions on any topic and remembers past conversations for a more engaging experience. Upgrade for unlimited queries and advanced features.

**Highlights:** Content generation (narratives, code, emails, etc.), Immediate answers to any question, Conversational memory function, Language practice and text interpretation, Detailed essays and blog posts, Code generation (e.g., JavaScript)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Chatbot - Assistant | $6.99 | per 7 days |
| Chatbot - Monthly | $14.99 | per month |
| Chatbot - AI Assistant | $49.99 | per year |


### Second Brain

[App page](https://appshunter.io/ios/app/second-brain-ai-chat/id6446254904)

This AI chatbot uses GPT technology to generate creative content like stories and songs, answer questions, and provide entertainment. It offers a premium subscription for enhanced features and a free trial period.

**Highlights:** AI-powered writing assistance, Story and song generation, Question answering, Joke telling, GPT technology integration

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium for one Week | $5.99 | per 7 days |
| Premium for one Month | $9.99 | per month |
| Premium for one Year | $39.99 | per year |


## Frequently asked questions

### Is AI Chat free?

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

### Is Second Brain free?

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

### Which has better reviews, AI Chat or Second Brain?

Second Brain is rated higher. AI Chat averages 4.3 out of 5 from 46 ratings, while Second Brain averages 4.8 from 61 ratings.

### Do AI Chat or Second Brain have ads?

Neither AI Chat nor Second Brain shows ads.

### Which is updated more often, AI Chat or Second Brain?

AI Chat ships an update every 6 days, and Second Brain every 4 weeks. Most recently, AI Chat was updated on October 26, 2026 and Second Brain on October 24, 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.*