# Chess Notation Lab vs Chess Tactics Trainer

The clearest difference is in-app purchases: Chess Tactics Trainer at none against Chess Notation Lab's 1. Chess Tactics Trainer also leads on iOS requirement (15.0 vs 18.6). Chess Notation Lab's advantage is update cadence (every 3 days vs every 3 weeks). On price, ads and device support there is nothing between them.

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

Chess Notation Lab ships an update every 3 days, Chess Tactics Trainer every 3 weeks. The most recent releases landed on October 14, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Chess Notation Lab | Chess Tactics Trainer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (6 ratings)](https://appshunter.io/ios/app/chess-notation-lab/id6480255515/reviews)** | — |
| Number of ratings | **6** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 3 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 26 MB | 100 MB |
| Requires iOS | 18.6 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Nishat Majid](https://appshunter.io/developer/1727207034) | [Elisabeth Zuyeva](https://appshunter.io/developer/6806303315) |

## What reviewers say

### Chess Notation Lab

[App page](https://appshunter.io/ios/app/chess-notation-lab/id6480255515)

Master chess board coordinates and piece movement with this training app. Improve your ability to visualize moves, read notation, and understand square colors. Designed to enhance your chess calculations and potentially boost your rating.

**Highlights:** Identify squares by coordinate, Fluid piece movement visualization, Translate moves to notation, Identify square color, Orient on the board, Speed up calculation, Blind chess practice

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Version | $9.99 | one-time |


### Chess Tactics Trainer

[App page](https://appshunter.io/ios/app/chess-tactics-trainer/id6806303313)

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

**In-app purchases:** none


## Frequently asked questions

### Is Chess Notation Lab free?

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

### Is Chess Tactics Trainer free?

Chess Tactics Trainer is free to download, with no in-app purchases.

### Do Chess Notation Lab or Chess Tactics Trainer have ads?

Neither Chess Notation Lab nor Chess Tactics Trainer shows ads.

### Which is updated more often, Chess Notation Lab or Chess Tactics Trainer?

Chess Notation Lab ships an update every 3 days, and Chess Tactics Trainer every 3 weeks. Most recently, Chess Notation Lab was updated on October 14, 2026 and Chess Tactics Trainer on October 8, 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.*