Comparison

Scotland Yard Master vs 21Moves | Cube Puzzle Solver

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Scotland Yard Master

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
Read full description

*** The companion app to the board game Scotland Yard Master for 2–6 players, ages 10 and up (can only be used in conjunction with the board game!) *** IMPORTANT: The board game itself is not available in English! As many fans have imported the board game we’ve included the English language into the app as a fan service. Enjoy! Scotland Yard Master is the new development in the world-famous classic board game Scotland Yard, which was named Game of the Year in 1983. Together with the board game, this app offers a completely new and even more exciting way to play. The detectives are on the cutting edge of technology and even hotter on the heels of Mr X. They will find all the important information in the digital control centre: Which modes of transport has Mr X travelled by so far? When will he show himself again? What special actions can be used? You can select mobile phone tracking, for example, and point the smartphone or tablet’s camera at the four radio masts on the game board. Green, yellow or red radio waves will indicate whether or not Mr X is nearby. You can also question witnesses at important buildings across the city. The camera comes into play again, showing Tower Bridge, the Houses of Parliament and St Paul’s Cathedral in 3D. Witnesses will reveal whether Mr X is or has recently been there. Furthermore, the detectives can determine his possible locations by analysing his previous moves, or by measuring the distance between Mr X and the nearest radio mast. But if you think you’ve already got Mr X in the bag, you can think again. With his new escape option, the helicopter, he’s as cunning as ever. He can also win the game by reaching two of five pre-determined rendezvous points. The innovative combination of the classic board game and digital gaming fun guarantees an engrossing experience for the whole family!

About

21Moves | Cube Puzzle Solver

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
Read full description

Stuck on how to solve your Rubik's Cube? 21Moves has your back. Solve your magic cube in under 3-minutes with visual step-by-step instructions to help you become a puzzle solving pro. 21Moves provides you with a visual guide on how to solve your cube in under, you guessed it, 21 moves! Dive into the easiest, most efficient way to solve one of the most popular puzzles enjoyed by millions. Join over 3 million cubers who have used 21Moves to develop top problem-solving and pattern recognition skills. Save hours of frustration with simple instructions guiding you to solve your cube in a matter of minutes. Improve your concentration and speed over time to show off your Rubik’s cube solving skills to the world. Getting started with 21Moves is simple. Simply scan a 3D model of your cube and get step-by-step directions on how to solve it. You get a personalized guide for solving your magic cube no matter its current state. 21Moves also recommends fixes for your cube if a piece is missing or placed incorrectly. Download the ultimate Rubik’s cube solver and get easy to follow visual instructions that are sure to turn you into a magic cube master. 21MOVES FEATURES CUBE SCANNER - Getting started on your magic cube solution is easy with in-app scanning tools - Simply perform a 3D scan of your current cube using your camera and get started - 21Moves provides simple and clear instructions on how to approach your cube - You can also manually input your existing cube on 21Moves blank template for custom combinations QUICK CUBE SOLVER - 21Moves provides you with detailed instructions to solve your cube in just a few minutes - Test your problem solving skills as you reorganize your magic cube in under 21 moves - Easily reset a cube to solve it again - Avoid the hours of frustration that come with manually learning to solve a cube thanks to 21Moves CUBE FIXER - Solve puzzles and maintain your cube by identifying missing pieces or misplaced blocks - Fix your cube in minutes and get back to solving PUZZLE SKILL BUILDING - Become a problem-solving pro as you learn the ins and outs of solving different Rubik’s cube formats - Identify patterns after resolving puzzles to make it easier to tackle the next one - Memorize solutions and increase your speed as you progress through different combinations See what users are saying: • "My cube was pretty messed up yet this app managed to solve it in just 20 moves”. • "OMG It actually works! I thought it would be a gimmick… I’m SHOCKED! Thank you so much!” • "My cube was pretty messed up yet this app managed to solve it in just 20 moves”. • "It fixes ur Rubik’s cube in less than two minutes”. • "[...] I’ve tried this app and guess what happened it worked I always doubted on all these other fake rubiks apps solvers but this specific app is the best one”. • "[...] Simple, elegant, and user friendly for quite literally any age. Plus it makes you feel like a genius!” ------------ Questions or feedback? We read every single email and review. Get five-star customer service directly from the developer at nico@opitas.io or at https://bit.ly/3hoFQkN. Disclaimer: All company names (Rubik’s Brand Ltd) are trademarks or registered trademarks of their respective holders. Use of them does not imply any affiliation with or endorsement by them. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Scotland Yard Master4 screens
21Moves | Cube Puzzle Solver4 screens

Verdict

The call

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.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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.

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

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.

Scorecard6 real differences · 4 level
Scotland Yard Master versus 21Moves | Cube Puzzle Solver: the parameters behind the verdict, then further details
ParameterScotland Yard Master21Moves | Cube Puzzle Solver
PriceFreeFree
Rating1.0 (2 ratings)4.7 (60K ratings) — better
Positive reviews19.4% of reviews69.6% of reviews — better
Number of ratings260K — better
Update frequencyEvery 12 monthsWeekly — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.0 — better14.0
Further details — not scored
Size149 MB157 MB
Age rating4+4+
DeveloperRavensburger Verlag GmbHOpitas Inc.

Customer experience

Scotland Yard Master

All ratings1 ratings
Positive0.0%
Neutral0.0%
Negative100.0%
Written reviews72 reviews
Positive19.4%
Neutral8.3%
Negative72.2%

21Moves | Cube Puzzle Solver

All ratings59,570 ratings
Positive93.0%
Neutral1.6%
Negative5.4%
Written reviews723 reviews
Positive69.6%
Neutral5.0%
Negative25.4%

Bugs and requests

Scotland Yard Master

Not enough reviews yet to summarise bugs or requests.

21Moves | Cube Puzzle Solver

Reported bugs

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

Requested features

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

In-app purchases

None

Scotland Yard Master

No in-app purchases

10 purchases

21Moves | Cube Puzzle Solver

Subscriptions8
  • Unlimited Access$1.991 Month
  • Unlimited Access$3.991 Month
  • Unlimited Access2 variants$4.991 Year
Show 5 more
  • Unlimited Access$7.991 Year
  • Unlimited Access$9.991 Year
  • Unlimited Access$14.991 Year
  • Unlimited Access$19.991 Year
  • Unlimited Access$24.991 Year
One-time2
  • Unlimited Access$29.99
  • Unlimited Access$74.99

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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