# Flat Chess Board vs Chess Notation Trainer

The clearest difference is review sentiment: Chess Notation Trainer at 100% against Flat Chess Board's 50%. Chess Notation Trainer also leads on rating (4.4 vs 2.0) and update cadence (every 2 days vs every 29 months). Flat Chess Board's advantage is in-app purchases (none vs 1) and iOS requirement (10.0 vs 18.6). On price, ads and device support there is nothing between them.

Both are free to download. Chess Notation Trainer sells 1 one-off in-app purchase. Flat Chess Board asks for nothing beyond the download.

Chess Notation Trainer holds the better App Store score, 4.4 against 2.0. That said, the two scores are not equally well evidenced: Chess Notation Trainer has 18 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 50% of Flat Chess Board's written reviews are positive against 100% of Chess Notation Trainer's.

Flat Chess Board ships an update every 29 months, Chess Notation Trainer every 2 days. The most recent releases landed on October 1, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | Flat Chess Board | Chess Notation Trainer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.0 (1 ratings)](https://appshunter.io/ios/app/flat-chess-board/id1064777220/reviews) | **[4.4 (18 ratings)](https://appshunter.io/ios/app/chess-notation-trainer/id6476576060/reviews)** |
| Number of ratings | 1 | **18** |
| Positive reviews | 50.0% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 29 months | **Every 2 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 7 MB | 26 MB |
| Requires iOS | **10.0** | 18.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Yuki Honda](https://appshunter.io/developer/397681963) | [Nishat Majid](https://appshunter.io/developer/1727207034) |

## What reviewers say

### Flat Chess Board

[App page](https://appshunter.io/ios/app/flat-chess-board/id1064777220)

Play chess against another person on a digital board. Move pieces by selecting or dragging them. Features include undo, redo, and reversing the board.

**Highlights:** Two-player mode, Piece selection and dragging, Undo and redo moves, Reverse board option, Start from beginning, Intuitive icon-based controls

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

**In-app purchases:** none


### Chess Notation Trainer

[App page](https://appshunter.io/ios/app/chess-notation-trainer/id6476576060)

Master chess squares and notation with this training app. Improve your ability to identify coordinates, translate moves, and visualize the board, even without one. Ideal for serious players looking to enhance calculation speed and chess understanding.

**Highlights:** Identify squares by coordinate, Translate move sequences to notation, Determine square color instantly, Stay oriented on the board, Follow chess tutorials without a board, Speed up calculation, Practice blind chess

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Version | $4.99 | one-time |


## Frequently asked questions

### Is Flat Chess Board free?

Flat Chess Board is free to download, with no in-app purchases.

### Is Chess Notation Trainer free?

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

### Which has better reviews, Flat Chess Board or Chess Notation Trainer?

Chess Notation Trainer is rated higher. Flat Chess Board averages 2.0 out of 5 from 1 ratings, while Chess Notation Trainer averages 4.4 from 18 ratings.

### Do Flat Chess Board or Chess Notation Trainer have ads?

Neither Flat Chess Board nor Chess Notation Trainer shows ads.

### Which is updated more often, Flat Chess Board or Chess Notation Trainer?

Flat Chess Board ships an update every 29 months, and Chess Notation Trainer every 2 days. Most recently, Flat Chess Board was updated on October 1, 2026 and Chess Notation Trainer on September 23, 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.*