# Chess Notation Trainer vs Hardcore Blindfold Chess

The clearest difference is update cadence: Chess Notation Trainer at every 2 days against Hardcore Blindfold Chess's every 10 days. Hardcore Blindfold Chess's advantage is iOS requirement (16.4 vs 18.6). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Chess Notation Trainer sells 1 one-off in-app purchase and Hardcore Blindfold Chess sells 3 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

Chess Notation Trainer ships an update every 2 days, Hardcore Blindfold Chess every 10 days. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Chess Notation Trainer | Hardcore Blindfold Chess |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (18 ratings)](https://appshunter.io/ios/app/chess-notation-trainer/id6476576060/reviews)** | — |
| Number of ratings | **18** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 10 days |
| Monetization | Free with in-app purchases | — |
| Size | 26 MB | 58 MB |
| Requires iOS | 18.6 | **16.4** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Nishat Majid](https://appshunter.io/developer/1727207034) | [Click Boreal Unipessoal LDA](https://appshunter.io/developer/6819825211) |

## What reviewers say

### 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 |


### Hardcore Blindfold Chess

[App page](https://appshunter.io/ios/app/hardcore-blindfold-chess/id6811651174)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Hardcore Chess Pro Monthly | $4.99 | per month |
| Hardcore Chess Pro | $29.99 | per year |
| Hardcore Chess Pro | $59.99 | one-time |


## Frequently asked questions

### Is Chess Notation Trainer free?

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

### Is Hardcore Blindfold Chess free?

Hardcore Blindfold Chess is free to download, with in-app purchases available.

### Do Chess Notation Trainer or Hardcore Blindfold Chess have ads?

Neither Chess Notation Trainer nor Hardcore Blindfold Chess shows ads.

### Which is updated more often, Chess Notation Trainer or Hardcore Blindfold Chess?

Chess Notation Trainer ships an update every 2 days, and Hardcore Blindfold Chess every 10 days. Most recently, Chess Notation Trainer was updated on October 30, 2026 and Hardcore Blindfold 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.*