# OpeningTree vs Block Fit

The clearest difference is price: Block Fit at Free against OpeningTree's $0.99. Block Fit also leads on rating (5.0 vs 4.4) and update cadence (every 5 days vs every 2 months). OpeningTree's advantage is ratings volume (31 vs 1). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

Block Fit is free to download; OpeningTree costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Block Fit holds the better App Store score, 5.0 against 4.4. That said, the two scores are not equally well evidenced: OpeningTree has 31 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 83% of OpeningTree's written reviews are positive against 100% of Block Fit's.

OpeningTree ships an update every 2 months, Block Fit every 5 days. The most recent releases landed on November 1, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | OpeningTree | Block Fit |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | [4.4 (31 ratings)](https://appshunter.io/ios/app/openingtree-chess-openings/id882614935/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/block-fit-shape-puzzle/id6768541003/reviews)** |
| Number of ratings | **31** | 1 |
| Positive reviews | 83.3% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 5 days** |
| Monetization | Paid | **Free** |
| Size | 52 MB | 200 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Michael Adams](https://appshunter.io/developer/743520896) | [DAEWON CHOI](https://appshunter.io/developer/1896583623) |

## 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


### Block Fit

[App page](https://appshunter.io/ios/app/block-fit-shape-puzzle/id6768541003)

A relaxing puzzle game where you fit shapes into a board without time limits or pressure. Enjoy over 100 stages and daily challenges at your own pace, with an offline mode for play anywhere. It offers a clean, distraction-free interface for a calm mind.

**Highlights:** No timers or pressure, Over 100 stages, Daily puzzles, Challenge mode, Offline play, Distraction-free interface

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

**In-app purchases:** none


## Frequently asked questions

### Is OpeningTree free?

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

### Is Block Fit free?

Block Fit is free to download, with no in-app purchases.

### Which has better reviews, OpeningTree or Block Fit?

Block Fit is rated higher. OpeningTree averages 4.4 out of 5 from 31 ratings, while Block Fit averages 5.0 from 1 ratings.

### Do OpeningTree or Block Fit have ads?

Neither OpeningTree nor Block Fit shows ads.

### Which is updated more often, OpeningTree or Block Fit?

OpeningTree ships an update every 2 months, and Block Fit every 5 days. Most recently, OpeningTree was updated on November 1, 2026 and Block Fit 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.*