# Chess Notation Lab vs Supply Lines

The clearest difference is in-app purchases: Supply Lines at none against Chess Notation Lab's 1. Supply Lines 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. Supply Lines asks for nothing beyond the download.

Chess Notation Lab ships an update every 3 days, Supply Lines every 3 weeks. The most recent releases landed on October 14, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | Chess Notation Lab | Supply Lines |
| --- | --- | --- |
| 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 | 25 MB |
| Requires iOS | 18.6 | **15.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Nishat Majid](https://appshunter.io/developer/1727207034) | [Chan Dick](https://appshunter.io/developer/6789264556) |

## 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 |


### Supply Lines

[App page](https://appshunter.io/ios/app/supply-lines-war-strategy/id6800396190)

**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 Supply Lines free?

Supply Lines is free to download, with no in-app purchases.

### Do Chess Notation Lab or Supply Lines have ads?

Neither Chess Notation Lab nor Supply Lines shows ads.

### Which is updated more often, Chess Notation Lab or Supply Lines?

Chess Notation Lab ships an update every 3 days, and Supply Lines every 3 weeks. Most recently, Chess Notation Lab was updated on October 14, 2026 and Supply Lines on October 29, 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.*