# OpeningTree vs Murder & Method

The clearest difference is price: Murder & Method at Free against OpeningTree's $0.99. OpeningTree's advantage is in-app purchases (none vs 1) and iOS requirement (15.6 vs 17.0). On update cadence, ads and device support there is nothing between them.

Murder & Method is free to download; OpeningTree costs $0.99 up front. Murder & Method sells 1 one-off in-app purchase. OpeningTree asks for nothing beyond the download.

OpeningTree ships an update every 2 months, Murder & Method every 5 weeks. The most recent releases landed on October 29, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | OpeningTree | Murder & Method |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | **[4.4 (31 ratings)](https://appshunter.io/ios/app/openingtree-chess-openings/id882614935/reviews)** | — |
| Number of ratings | **31** | — |
| Positive reviews | 83.3% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 5 weeks** |
| Monetization | Paid | — |
| Size | 52 MB | 79 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [Michael Adams](https://appshunter.io/developer/743520896) | [Jan Hendrik Wergin](https://appshunter.io/developer/6783508289) |

## 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


### Murder & Method

[App page](https://appshunter.io/ios/app/murder-and-method/id6811674696)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full London Casebook | $0.99 | one-time |


## Frequently asked questions

### Is OpeningTree free?

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

### Is Murder & Method free?

Murder & Method is free to download, with in-app purchases available.

### Do OpeningTree or Murder & Method have ads?

Neither OpeningTree nor Murder & Method shows ads.

### Which is updated more often, OpeningTree or Murder & Method?

OpeningTree ships an update every 2 months, and Murder & Method every 5 weeks. Most recently, OpeningTree was updated on October 29, 2026 and Murder & Method 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.*