# Go AI vs Chess Notation Fluency

The clearest difference is iOS requirement: Go AI at 15.1 against Chess Notation Fluency's 26.0. On price, rating, ratings volume and update cadence there is nothing between them.

Both are free to download. Go AI sells 1 one-off in-app purchase and Chess Notation Fluency sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 5.0 for Go AI against 5.0 for Chess Notation Fluency. Both are backed by a comparable volume of ratings — 3 and 2 respectively.

Go AI ships an update every 5 days, Chess Notation Fluency every 3 days. The most recent releases landed on October 25, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Go AI | Chess Notation Fluency |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (3 ratings)](https://appshunter.io/ios/app/go-ai-katago-offline-trainer/id6760274188/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/chess-notation-fluency/id6809233054/reviews) |
| Number of ratings | **3** | 2 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 5 days | **Every 3 days** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 135 MB | 42 MB |
| Requires iOS | **15.1** | 26.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [East World Inc.](https://appshunter.io/developer/1645254217) | [Mark Harris](https://appshunter.io/developer/6799526558) |

## What reviewers say

### Go AI

[App page](https://appshunter.io/ios/app/go-ai-katago-offline-trainer/id6760274188)

Learn and practice the game of Go with this comprehensive offline trainer. It offers a structured path for beginners, thousands of problems, and AI opponents that adapt to your skill level. Review your games and track your progress without ads or subscriptions.

**Highlights:** Structured beginner course, 10,000+ tsumego problems, 9x9, 13x13, and 19x19 boards, Offline KataGo AI engine, 16 AI skill levels, Game review with win-rate graph, Progress tracking with milestones

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Play & Practice Pack | $4.99 | one-time |


### Chess Notation Fluency

[App page](https://appshunter.io/ios/app/chess-notation-fluency/id6809233054)

Master chess notation with interactive exercises. Practice reading and writing Standard Algebraic Notation (SAN) using real game sequences. Track your progress and learn from detailed results.

**Highlights:** Read and write Standard Algebraic Notation (SAN), Practice with real game sequences, Train notation in both directions, Customizable practice modes, Detailed performance tracking, Offline practice available, No personal data collection

**Features:** Family Sharing, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Game Library | $4.99 | one-time |


## Frequently asked questions

### Is Go AI free?

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

### Is Chess Notation Fluency free?

Chess Notation Fluency is free to download, with in-app purchases available.

### Which has better reviews, Go AI or Chess Notation Fluency?

Go AI and Chess Notation Fluency are both rated 5.0 out of 5 on the App Store, from 3 and 2 ratings respectively.

### Do Go AI or Chess Notation Fluency have ads?

Neither Go AI nor Chess Notation Fluency shows ads.

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

Go AI ships an update every 5 days, and Chess Notation Fluency every 3 days. Most recently, Go AI was updated on October 25, 2026 and Chess Notation Fluency on October 13, 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.*