# ChessLines vs Learn Chess Openings with Cat

The clearest difference is update cadence: ChessLines at every 3 days against Learn Chess Openings with Cat's every 2 weeks. Learn Chess Openings with Cat's advantage is iOS requirement (13.0 vs 26.2). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. ChessLines sells 2 in-app purchases, starting at $5.99 per month and Learn Chess Openings with Cat sells 8 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

ChessLines ships an update every 3 days, Learn Chess Openings with Cat every 2 weeks. The most recent releases landed on October 24, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | ChessLines | Learn Chess Openings with Cat |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/chesslines-opening-trainer/id6760426577/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 2 weeks |
| Monetization | Freemium | — |
| Size | 73 MB | 29 MB |
| Requires iOS | 26.2 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Maarten Lodewijk Slebos](https://appshunter.io/developer/1819324826) | [REBRON](https://appshunter.io/developer/1777058665) |

## What reviewers say

### ChessLines

[App page](https://appshunter.io/ios/app/chesslines-opening-trainer/id6760426577)

Learn chess openings through interactive play and guided lessons. Practice moves with instant feedback or test your knowledge without hints. Build true understanding of chess strategies.

**Highlights:** Interactive move-by-move lessons, Instant feedback on mistakes, Hands-on learning by playing, Drill mode for memorization, Explanations for moves and strategy

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ChessLines Monthly | $5.99 | per month |
| ChessLines Yearly | $29.99 | per year |


### Learn Chess Openings with Cat

[App page](https://appshunter.io/ios/app/learn-chess-openings-with-cat/id6766206115)

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

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Popular No.4 Semi-Slav Defense | $1.99 | one-time |
| Popular No.5 French Defense | $1.99 | one-time |
| Popular No.6 Caro-Kann Defense | $1.99 | one-time |
| Popular No.7 English Opening | $1.99 | one-time |
| Popular No.8 King’s Indian Attack | $1.99 | one-time |
| Popular No.9 Scandinavian Defense | $1.99 | one-time |
| Popular No.10 Pirc Defense | $1.99 | one-time |
| Unlock All Openings | $7.99 | one-time |


## Frequently asked questions

### Is ChessLines free?

ChessLines is free to download, with in-app purchases available.

### Is Learn Chess Openings with Cat free?

Learn Chess Openings with Cat is free to download, with in-app purchases available.

### Do ChessLines or Learn Chess Openings with Cat have ads?

Neither ChessLines nor Learn Chess Openings with Cat shows ads.

### Which is updated more often, ChessLines or Learn Chess Openings with Cat?

ChessLines ships an update every 3 days, and Learn Chess Openings with Cat every 2 weeks. Most recently, ChessLines was updated on October 24, 2026 and Learn Chess Openings with Cat 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.*