# Fast AI vs Selmin AI

The clearest difference is rating: Selmin AI at 5.0 against Fast AI's 3.0. Selmin AI also leads on ads (none vs shown). Fast AI's advantage is ratings volume (3 vs 1). On price, update cadence, in-app purchases and monetization model there is nothing between them.

Both are free to download. Fast AI sells 1 in-app purchase, starting at $5.99 per 7 days and Selmin AI sells 2 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

Selmin AI holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 3 and 1 respectively.

Both ship on a similar rhythm, roughly every 2 weeks. The most recent releases landed on October 18, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Fast AI | Selmin AI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (3 ratings)](https://appshunter.io/ios/app/fast-ai-chatbot-assistant/id1663617334/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/selmin-ai/id6760507530/reviews)** |
| Number of ratings | **3** | 1 |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 2 weeks | Every 2 weeks |
| Monetization | Free with in-app purchases | Freemium |
| Size | 150 MB | 46 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPod, Mac |
| Age rating | 4+ | 17+ |
| Developer | [Advenworks Ltd.](https://appshunter.io/developer/329900469) | [Selanmon Cherian](https://appshunter.io/developer/1843166586) |

## What reviewers say

### Fast AI

[App page](https://appshunter.io/ios/app/fast-ai-chatbot-assistant/id1663617334)

This AI chatbot offers personalized conversations and instant assistance using advanced natural language processing. Powered by ChatGPT, it can help with daily tasks, answer questions, provide writing assistance, and engage in conversations.

**Highlights:** AI-powered conversations, Instant assistance, Natural language processing, Writing help, Text completion, Powered by ChatGPT

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Fast.ai Pro | $5.99 | per 7 days |


### Selmin AI

[App page](https://appshunter.io/ios/app/selmin-ai/id6760507530)

This AI assistant app offers chat, image understanding, and web-based answers with sources. It features distinct modes for quick or in-depth responses, all within a simple mobile interface.

**Highlights:** AI chat assistant, Image understanding, Source-backed web answers, Fast Auto mode, Thinking mode for detailed answers, iPhone-exclusive experience

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Selmin Auto | $9.99 | per month |
| Selmin Premium | $14.99 | per month |


## Frequently asked questions

### Is Fast AI free?

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

### Is Selmin AI free?

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

### Which has better reviews, Fast AI or Selmin AI?

Selmin AI is rated higher. Fast AI averages 3.0 out of 5 from 3 ratings, while Selmin AI averages 5.0 from 1 ratings.

### Do Fast AI or Selmin AI have ads?

Fast AI shows ads; Selmin AI does not.

### Which is updated more often, Fast AI or Selmin AI?

Fast AI ships an update every 2 weeks, and Selmin AI every 2 weeks. Most recently, Fast AI was updated on October 18, 2026 and Selmin AI on October 8, 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.*