# Scotland Yard Master vs 21Moves | Cube Puzzle Solver

The clearest difference is review sentiment: 21Moves | Cube Puzzle Solver at 70% against Scotland Yard Master's 19%. 21Moves | Cube Puzzle Solver also leads on rating (4.7 vs 1.0) and update cadence (weekly vs every 12 months). Scotland Yard Master's advantage is in-app purchases (none vs 11). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. 21Moves | Cube Puzzle Solver sells 10 in-app purchases, starting at $1.99 per month. Scotland Yard Master asks for nothing beyond the download.

21Moves | Cube Puzzle Solver holds the better App Store score, 4.7 against 1.0. That said, the two scores are not equally well evidenced: 21Moves | Cube Puzzle Solver has 60K ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 19% of Scotland Yard Master's written reviews are positive against 70% of 21Moves | Cube Puzzle Solver's.

Scotland Yard Master ships an update every 12 months, 21Moves | Cube Puzzle Solver weekly. The most recent releases landed on October 29, 2026 and November 1, 2026 respectively.

## The numbers

| Metric | Scotland Yard Master | 21Moves | Cube Puzzle Solver |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (2 ratings)](https://appshunter.io/ios/app/scotland-yard-master/id686943176/reviews) | **[4.7 (60K ratings)](https://appshunter.io/ios/app/21moves-cube-puzzle-solver/id1533263247/reviews)** |
| Number of ratings | 2 | **60K** |
| Positive reviews | 19.4% of reviews | **69.6% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 12 months | **Weekly** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 149 MB | 157 MB |
| Requires iOS | **13.0** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Ravensburger Verlag GmbH](https://appshunter.io/developer/1505283467) | [Opitas Inc.](https://appshunter.io/developer/1526688601) |

## What reviewers say

### Scotland Yard Master

[App page](https://appshunter.io/ios/app/scotland-yard-master/id686943176)

This app enhances the Scotland Yard Master board game by providing digital tools for detectives. Track Mr. X's movements, analyze his past routes, and use your device's camera to scan for his proximity via radio waves. It offers an immersive, technologically advanced way to play the classic deduction game.

**Highlights:** Digital control center for detectives, Mobile phone tracking with radio wave indicators, Witness questioning at 3D landmarks, Analysis of Mr. X's previous moves, Mr. X's helicopter escape option, Helps track Mr. X's proximity to radio masts

**Features:** Vision Pro support

**In-app purchases:** none


### 21Moves | Cube Puzzle Solver

[App page](https://appshunter.io/ios/app/21moves-cube-puzzle-solver/id1533263247)

This app helps you solve your Rubik's Cube with visual, step-by-step instructions. It offers a quick solver, a cube scanner to analyze your current puzzle state, and even identifies missing or misplaced pieces. Become a puzzle-solving pro and improve your concentration and speed.

**Highlights:** 3D cube scanning, Visual step-by-step instructions, Quick cube solving, Cube fixer for missing/misplaced pieces, Puzzle skill building, Manual input for custom combinations

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited Access | $1.99 | per month |
| Unlimited Access | $3.99 | per month |
| Unlimited Access | $4.99 | per year |
| Unlimited Access | $7.99 | per year |
| Unlimited Access | $9.99 | per year |
| Unlimited Access | $14.99 | per year |
| Unlimited Access | $19.99 | per year |
| Unlimited Access | $24.99 | per year |
| Unlimited Access | $29.99 | one-time |
| Unlimited Access | $74.99 | one-time |

**What reviewers like**

- 🚀 Solves cube in 21 moves
- 👍 Easy to use and follow instructions
- 🚀 Solves cube quickly
- 👍 Helps fix broken/twisted cubes
- 👍 Accurate color recognition

**What reviewers complain about**

- 🐛 Scanning issues (glare, lighting)
- 💰 Requires payment after first use
- 🐛 App crashes or freezes
- 🐛 Inaccurate cube representation on screen

**Reported bugs**

- Scanning issues due to lighting conditions
- App crashing or freezing after first use
- Inaccurate cube representation on screen

**Requested features**

- Support for different cube sizes (2x2, 4x4, etc.)
- Option to skip tutorial
- Ability to solve cube without payment


## Frequently asked questions

### Is Scotland Yard Master free?

Scotland Yard Master is free to download, with no in-app purchases.

### Is 21Moves | Cube Puzzle Solver free?

21Moves | Cube Puzzle Solver is free to download, with in-app purchases available.

### Which has better reviews, Scotland Yard Master or 21Moves | Cube Puzzle Solver?

21Moves | Cube Puzzle Solver is rated higher. Scotland Yard Master averages 1.0 out of 5 from 2 ratings, while 21Moves | Cube Puzzle Solver averages 4.7 from 60K ratings.

### Do Scotland Yard Master or 21Moves | Cube Puzzle Solver have ads?

Neither Scotland Yard Master nor 21Moves | Cube Puzzle Solver shows ads.

### Which is updated more often, Scotland Yard Master or 21Moves | Cube Puzzle Solver?

Scotland Yard Master ships an update every 12 months, and 21Moves | Cube Puzzle Solver weekly. Most recently, Scotland Yard Master was updated on October 29, 2026 and 21Moves | Cube Puzzle Solver on November 1, 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.*