# Brainin vs AI Chat Assistant

The clearest difference is in-app purchases: Brainin at none against AI Chat Assistant's 4. Brainin also leads on ads (none vs shown). AI Chat Assistant's advantage is update cadence (every 3 weeks vs every 31 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. AI Chat Assistant sells 4 in-app purchases, starting at $4.99 per 7 days. Brainin asks for nothing beyond the download.

Brainin ships an update every 31 months, AI Chat Assistant every 3 weeks. The most recent releases landed on October 26, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | Brainin | AI Chat Assistant |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.8 (5.2K ratings)](https://appshunter.io/ios/app/ai-chat-assistant-chatomic/id6452754987/reviews)** |
| Number of ratings | — | **5.2K** |
| Positive reviews | — | 71.4% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 31 months | **Every 3 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 21 MB | 127 MB |
| Requires iOS | **14.0** | 15.6 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Brainin s.r.l.](https://appshunter.io/developer/1350508947) | [BrainMount Ltd](https://appshunter.io/developer/1567217512) |

## What reviewers say

### Brainin

[App page](https://appshunter.io/ios/app/brainin/id1481860225)

**Features:** macOS Compatibility

**In-app purchases:** none


### AI Chat Assistant

[App page](https://appshunter.io/ios/app/ai-chat-assistant-chatomic/id6452754987)

This AI companion offers over 100 specialized chatbots to boost productivity, creativity, and learning. It assists with tasks like writing, coding, language learning, and even fitness planning, adapting to your unique needs.

**Highlights:** 100+ specialized AI chatbots, Email generation and grammar checking, Article and social media post creation, Language translation and learning, Resume building and interview prep, Personalized workout and diet plans, Code creation and mentorship

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Subscription | $4.99 | per 7 days |
| Weekly Subscription | $6.99 | per 7 days |
| Annual Subscription | $49.99 | per year |
| Annual Subscription | $59.99 | per year |

**What reviewers like**

- 👍 Helpful for writing and revising documents
- 🚀 Impressive AI capabilities
- 💡 Useful for isolated/private users
- 👍 Professional and polished output

**What reviewers complain about**

- 🤖 Lack of human empathy and understanding
- 🤑 Unclear pricing and subscription model
- 🐛 Inconsistent performance and accuracy

**Reported bugs**

- Subscription issues and hidden costs
- Incompatibility with older devices

**Requested features**

- More voice customization options
- Improved image integration capabilities


## Frequently asked questions

### Is Brainin free?

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

### Is AI Chat Assistant free?

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

### Do Brainin or AI Chat Assistant have ads?

AI Chat Assistant shows ads; Brainin does not.

### Which is updated more often, Brainin or AI Chat Assistant?

Brainin ships an update every 31 months, and AI Chat Assistant every 3 weeks. Most recently, Brainin was updated on October 26, 2026 and AI Chat Assistant on October 27, 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.*