# Notation vs Stockfish AI Chess

The clearest difference is review sentiment: Stockfish AI Chess at 100% against Notation's 0%. Stockfish AI Chess also leads on price (Free vs $2.99) and rating (5.0 vs 4.7). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

Stockfish AI Chess is free to download; Notation costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Stockfish AI Chess holds the better App Store score, 5.0 against 4.7. Both are backed by a comparable volume of ratings — 6 and 18 respectively. Written reviews point the same way: 0% of Notation's written reviews are positive against 100% of Stockfish AI Chess's.

Notation ships an update every 5 days, Stockfish AI Chess daily. The most recent releases landed on November 5, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Notation | Stockfish AI Chess |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | [4.7 (6 ratings)](https://appshunter.io/ios/app/notation-chess-coach/id6759826744/reviews) | **[5.0 (18 ratings)](https://appshunter.io/ios/app/stockfish-ai-chess/id6817158025/reviews)** |
| Number of ratings | 6 | **18** |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 days | **Daily** |
| Monetization | Paid | **Free** |
| Size | 563 MB | 702 MB |
| Requires iOS | 18.6 | **17.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Darren Cox](https://appshunter.io/developer/1874926497) | [Tughan Yusuf Karsli](https://appshunter.io/developer/6817158027) |

## What reviewers say

### Notation

[App page](https://appshunter.io/ios/app/notation-chess-coach/id6759826744)

This app provides in-depth chess coaching by explaining the 'why' behind moves, not just the 'what'. It uses advanced on-device analysis and multiple coaching frameworks to offer personalized game reviews, player profiles, and opponent scouting.

**Highlights:** On-device chess analysis with Stockfish 18, Multiple grandmaster-level coaching frameworks, Detailed game reviews and player profiles, Opponent scouting and matchup reports, Play with physical chess boards via Bluetooth, Privacy-focused design with no tracking

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

**In-app purchases:** none


### Stockfish AI Chess

[App page](https://appshunter.io/ios/app/stockfish-ai-chess/id6817158025)

Play, learn, and analyze chess games offline with powerful AI engines. Practice against 19 difficulty levels, explore openings, and get feedback on your moves. Convert board photos into playable positions for analysis.

**Highlights:** Offline play with AI engines, 19 difficulty levels, Chess Coach feedback, Game Review for mistakes, Board photo to position analysis, PGN/FEN import/export, Engine matches and tournaments

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

**In-app purchases:** none


## Frequently asked questions

### Is Notation free?

Notation costs $2.99, with no in-app purchases.

### Is Stockfish AI Chess free?

Stockfish AI Chess is free to download, with no in-app purchases.

### Which has better reviews, Notation or Stockfish AI Chess?

Stockfish AI Chess is rated higher. Notation averages 4.7 out of 5 from 6 ratings, while Stockfish AI Chess averages 5.0 from 18 ratings.

### Do Notation or Stockfish AI Chess have ads?

Neither Notation nor Stockfish AI Chess shows ads.

### Which is updated more often, Notation or Stockfish AI Chess?

Notation ships an update every 5 days, and Stockfish AI Chess daily. Most recently, Notation was updated on November 5, 2026 and Stockfish AI Chess on October 31, 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.*