# HJJ GO｜All vs Chess Notation Fluency

The clearest difference is rating: Chess Notation Fluency at 5.0 against HJJ GO｜All's 4.2. Chess Notation Fluency also leads on update cadence (every 3 days vs every 2 months). HJJ GO｜All's advantage is ratings volume (12 vs 2) and iOS requirement (14.4 vs 26.0). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. HJJ GO｜All sells 18 one-off in-app purchases and Chess Notation Fluency sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Chess Notation Fluency holds the better App Store score, 5.0 against 4.2. That said, the two scores are not equally well evidenced: HJJ GO｜All has 12 ratings behind it against 2, so its average is the more settled of the two.

HJJ GO｜All ships an update every 2 months, Chess Notation Fluency every 3 days. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | HJJ GO｜All | Chess Notation Fluency |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.2 (12 ratings)](https://appshunter.io/ios/app/hjj-goall-in-one-learning-app/id1581621835/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/chess-notation-fluency/id6809233054/reviews)** |
| Number of ratings | **12** | 2 |
| Positive reviews | 48.2% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 days** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 84 MB | 42 MB |
| Requires iOS | **14.4** | 26.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 17+ | 4+ |
| Developer | [Goer Tech Inc.](https://appshunter.io/developer/1498163929) | [Mark Harris](https://appshunter.io/developer/6799526558) |

## What reviewers say

### HJJ GO｜All

[App page](https://appshunter.io/ios/app/hjj-goall-in-one-learning-app/id1581621835)

This app offers a comprehensive platform for learning the game of Go, suitable for all skill levels. It features AI sparring, interactive lessons, mock exams, and progress tracking to help users improve their game.

**Highlights:** AI sparring system with real-time suggestions, Interactive video lessons with quizzes, Character Match mode against unique AI opponents, Mock exams with score analysis, Learning records and progress tracking, Personalized study plans

**Features:** Vision Pro support

**In-app purchases (18)**

| Purchase | Price | Billing |
| --- | --- | --- |
| VIP Program - Monthly | $9.90 | one-time |
| Basic for Kids | $19.90 | one-time |
| 直播票券－1張 | $19.99 | one-time |
| AlphaGo對戰精華十選 | $19.99 | one-time |
| Mock Exam - G11 | $20.00 | one-time |
| VIP Program - Quarterly | $26.90 | one-time |
| 直播票券－5張 | $79.99 | one-time |
| 和大師對話｜林海峰棋道修煉十講 | $79.99 | one-time |
| VIP Program - Yearly | $99.90 | one-time |
| Beginner Course | $119.99 | one-time |
| 直播票券－10張 | $149.99 | one-time |
| Master Course | $229.99 | one-time |
| Go is Our Common Language | $319.99 | one-time |
| Intermediate Course | $329.99 | one-time |
| Go Dan from Zero to Hero | $369.99 | one-time |
| Gateway to Go Mastery | $369.99 | one-time |
| Pass G10 together | $449.99 | one-time |
| Go Odyssey | $589.99 | 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 chess game sequences, Train notation in both directions, Customize practice sessions, Track accuracy and mistake patterns, Offline practice available

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

**In-app purchases (1)**

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


## Frequently asked questions

### Is HJJ GO｜All free?

HJJ GO｜All 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, HJJ GO｜All or Chess Notation Fluency?

Chess Notation Fluency is rated higher. HJJ GO｜All averages 4.2 out of 5 from 12 ratings, while Chess Notation Fluency averages 5.0 from 2 ratings.

### Do HJJ GO｜All or Chess Notation Fluency have ads?

Neither HJJ GO｜All nor Chess Notation Fluency shows ads.

### Which is updated more often, HJJ GO｜All or Chess Notation Fluency?

HJJ GO｜All ships an update every 2 months, and Chess Notation Fluency every 3 days. Most recently, HJJ GO｜All was updated on October 30, 2026 and Chess Notation Fluency on October 31, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*