# ChessBot vs NoFat

The clearest difference is in-app purchases: NoFat at none against ChessBot's 3. NoFat also leads on iOS requirement (9.0 vs 18.0). ChessBot's advantage is device support (5 vs 3). On price, update cadence and ads there is nothing between them.

Both are free to download. ChessBot sells 3 in-app purchases, starting at $1.99 per month. NoFat asks for nothing beyond the download.

ChessBot ships an update every 2 months, NoFat monthly. The most recent releases landed on October 8, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | ChessBot | NoFat |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (34 ratings)](https://appshunter.io/ios/app/chessbot/id1065334169/reviews)** | — |
| Number of ratings | **34** | — |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Monthly** |
| Monetization | Free with in-app purchases | — |
| Size | 163 MB | 51 MB |
| Requires iOS | 18.0 | **9.0** |
| Devices | **iPhone, iPad, Mac, Apple TV, Vision Pro** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Hengyu Zhou](https://appshunter.io/developer/788570080) | [Danila Kolomnin](https://appshunter.io/developer/1470355399) |

## What reviewers say

### ChessBot

[App page](https://appshunter.io/ios/app/chessbot/id1065334169)

This app offers a comprehensive chess experience, allowing you to play against AI with adjustable difficulty, challenge friends, and analyze your games. It includes a detailed guidebook with lessons, openings, and puzzles to improve your skills.

**Highlights:** Play vs. AI with scalable ELO, Human vs. Human mode, Game management and sharing, PGN import/export, Board analysis and statistics, Chess openings, puzzles, and lessons, Play with friends via iMessage

**Features:** iMessage stickers

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ChessBot Pro - Monthly | $1.99 | per month |
| ChessBot Pro - Yearly | $17.99 | per year |
| Master of Chess | $29.99 | one-time |


### NoFat

[App page](https://appshunter.io/ios/app/nofat/id1501473139)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ChessBot free?

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

### Is NoFat free?

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

### Do ChessBot or NoFat have ads?

Neither ChessBot nor NoFat shows ads.

### Which is updated more often, ChessBot or NoFat?

ChessBot ships an update every 2 months, and NoFat monthly. Most recently, ChessBot was updated on October 8, 2026 and NoFat on October 3, 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.*