# OpeningTree vs Chess Opening Lab (1400

The clearest difference is price: Chess Opening Lab (1400 at Free against OpeningTree's $0.99. Chess Opening Lab (1400 also leads on rating (4.7 vs 4.4) and ratings volume (593 vs 31). OpeningTree's advantage is in-app purchases (none vs 1) and review sentiment (83% vs 66%). On ads and device support there is nothing between them.

Chess Opening Lab (1400 is free to download; OpeningTree costs $0.99 up front. Chess Opening Lab (1400 sells 1 one-off in-app purchase. OpeningTree asks for nothing beyond the download.

Chess Opening Lab (1400 holds the better App Store score, 4.7 against 4.4. That said, the two scores are not equally well evidenced: Chess Opening Lab (1400 has 593 ratings behind it against 31, so its average is the more settled of the two. Written reviews complicate that: 83% of OpeningTree's written reviews are positive against 66% of Chess Opening Lab (1400's, so the app with the better star average is not the one people write more warmly about.

OpeningTree ships an update every 2 months, Chess Opening Lab (1400 every 3 months. The most recent releases landed on October 29, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | OpeningTree | Chess Opening Lab (1400 |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | [4.4 (31 ratings)](https://appshunter.io/ios/app/openingtree-chess-openings/id882614935/reviews) | **[4.7 (593 ratings)](https://appshunter.io/ios/app/chess-opening-lab-1400-2000/id1129879784/reviews)** |
| Number of ratings | 31 | **593** |
| Positive reviews | **83.3% of reviews** | 65.5% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 3 months |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 52 MB | 45 MB |
| Requires iOS | 15.6 | **8.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Michael Adams](https://appshunter.io/developer/743520896) | [Chess King](https://appshunter.io/developer/1096660597) |

## What reviewers say

### OpeningTree

[App page](https://appshunter.io/ios/app/openingtree-chess-openings/id882614935)

Explore chess openings with an extensive opening book and engine analysis. Analyze your games, create custom lines, and study moves from high-rated players. Accessible for visually impaired users.

**Highlights:** Extensive opening book, Crafty engine analysis, Load and analyze PGN games, Create custom move lines, Accessible for visually impaired, Mark moves with colors, Save board to PGN

**Features:** Vision Pro support

**In-app purchases:** none


### Chess Opening Lab (1400

[App page](https://appshunter.io/ios/app/chess-opening-lab-1400-2000/id1129879784)

This app offers a comprehensive chess opening manual with theoretical reviews and instructive games from grandmasters. It features detailed classifications, evaluations, and characteristics of key moves, along with interactive lessons and over 350 training exercises.

**Highlights:** Theoretical review of all chess openings, Instructive games with detailed annotations, Interactive theoretical lessons, 350+ training exercises, Evaluations and characteristics of key moves, History and current status of variations

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full course | $12.99 | one-time |

**What reviewers like**

- 👍 Very convenient app
- 👍 Ideal for practicing openings
- 👍 Great for chess studies
- 👍 Fantastic teaching tool
- 👍 Excellent teacher

**What reviewers complain about**

- 😞 Barely any information
- 😞 Difficult and confusing to work
- 😞 No content
- 😞 Useless
- 😞 Scam

**Reported bugs**

- Recorded moves not highlighted or disappear
- White spot instead of recorded move
- Have to buy full course multiple times
- App forgets purchase
- Animation speed doesn't decrease

**Requested features**

- More exercises for different openings
- More examples of opening systems
- Give 20 or more examples of different openings
- Explanations in French
- Reference books


## Frequently asked questions

### Is OpeningTree free?

OpeningTree costs $0.99, with no in-app purchases.

### Is Chess Opening Lab (1400 free?

Chess Opening Lab (1400 is free to download, with in-app purchases available.

### Which has better reviews, OpeningTree or Chess Opening Lab (1400?

Chess Opening Lab (1400 is rated higher. OpeningTree averages 4.4 out of 5 from 31 ratings, while Chess Opening Lab (1400 averages 4.7 from 593 ratings.

### Do OpeningTree or Chess Opening Lab (1400 have ads?

Neither OpeningTree nor Chess Opening Lab (1400 shows ads.

### Which is updated more often, OpeningTree or Chess Opening Lab (1400?

OpeningTree ships an update every 2 months, and Chess Opening Lab (1400 every 3 months. Most recently, OpeningTree was updated on October 29, 2026 and Chess Opening Lab (1400 on October 24, 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.*