Comparison

21Moves | Cube Puzzle Solver vs CubeTime

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

Head to head
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/

About

CubeTime

This advanced speedcubing utility app offers an official WCA scrambler for legal solves, including complex 4x4 and blind scrambles. It features refined session support with multiphase and competition simulation modes, alongside detailed performance graphs and integrated tools like an average calculator.

Highlights
  • Official WCA scrambler
  • Random state 4x4 scrambles
  • Blind scramble rotations
  • Multiphase timing
  • Competition simulation
  • Detailed performance graphs
  • Average calculator
Features
Read full description

The most advanced speedcubing utility app ever created, all packaged within an incredibly minimal and modern interface. CubeTime is currently the only iOS app that uses the official WCA scrambler. No more illegal or invalid scrambles! This includes WCA-complient random state 4x4 scrambles and rotations for blind scrambles. Not only do we have well-refined session support, we also have different session types, suiting all your solving needs. Special sessions include multiphase – where you can time phases during solves, and comp sim – where you can simulate competitions at home. Aside from showing you basic statistics, we provide detailed (and of course - beautiful) graphs and visuals, to allow you to gain a better understanding of your solving performance. We also provide you tools, all within one app – so don't need to clutter your phone with many single-featured apps! Tools include an average calculator, a batch scramble generator and more.

Screenshots

21Moves | Cube Puzzle Solver4 screens
CubeTime4 screens

Verdict

The call

The clearest difference is in-app purchases: CubeTime at none against 21Moves | Cube Puzzle Solver's 11. CubeTime also leads on review sentiment (93% vs 70%). 21Moves | Cube Puzzle Solver's advantage is ratings volume (59K vs 266). On price, rating, update cadence and ads 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. CubeTime asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.7 for 21Moves | Cube Puzzle Solver against 4.7 for CubeTime. That said, the two scores are not equally well evidenced: 21Moves | Cube Puzzle Solver has 59K ratings behind it against 266, so its average is the more settled of the two. Written reviews are what separate them: 70% of 21Moves | Cube Puzzle Solver's written reviews are positive against 93% of CubeTime's.

UpkeepUpdate frequency

21Moves | Cube Puzzle Solver ships an update weekly, CubeTime every 9 days. The most recent releases landed on September 24, 2026 and September 23, 2026 respectively.

Scorecard4 real differences · 6 level
21Moves | Cube Puzzle Solver versus CubeTime: the parameters behind the verdict, then further details
Parameter21Moves | Cube Puzzle SolverCubeTime
PriceFreeFree
Rating4.7 (59K ratings)4.7 (266 ratings) — better
Positive reviews69.6% of reviews92.7% of reviews — better
Number of ratings59K — better266
Update frequencyWeekly — betterEvery 9 days
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS14.0 — better15.0
Further details — not scored
Size157 MB38 MB
Age rating4+4+
DeveloperOpitas Inc.B AND X SOFTWARE LIMITED

Customer experience

21Moves | Cube Puzzle Solver

All ratings59,123 ratings
Positive93.0%
Neutral1.6%
Negative5.4%
Written reviews661 reviews
Positive69.6%
Neutral4.8%
Negative25.6%

CubeTime

All ratings266 ratings
Positive95.5%
Neutral1.5%
Negative3.0%
Written reviews259 reviews
Positive92.7%
Neutral2.7%
Negative4.6%

User reviews

21Moves | Cube Puzzle Solver

From 59K App Store ratings

What we love

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

Room to improve

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

CubeTime

From 266 App Store ratings

What we love

  • 🚀 Amazing timer
  • 👍 Clean and simple UI
  • 👍 Lots of features
  • 👍 No ads
  • 👍 Great statistics and data visualization

Room to improve

  • 🐛 Crashes on certain devices
  • 🐛 Issues with entering times manually
  • 🐛 Problems with session management and switching
  • 🐛 Scramble display issues for larger puzzles
  • 💡 Lack of Bluetooth support for external timers

Bugs and 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

CubeTime

Reported bugs

3 issues
  • Crashes when deleting solves in certain sessions
  • Inconsistent behavior when switching between events
  • Issues with the average calculator function

Requested features

6 requests
  • Ability to import/export solve data
  • Horizontal mode and two-handed timer start/stop
  • More customization options (color themes, etc.)
  • Improved iPad support and layout
  • Algorithm trainer or practice tools
Show 1 more
  • Inspection time countdown with audio cues

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
None

CubeTime

No in-app purchases

Questions

Is 21Moves | Cube Puzzle Solver free?
21Moves | Cube Puzzle Solver is free to download, with in-app purchases available.
Is CubeTime free?
CubeTime is free to download, with no in-app purchases.
Which has better reviews, 21Moves | Cube Puzzle Solver or CubeTime?
CubeTime is rated higher. 21Moves | Cube Puzzle Solver averages 4.7 out of 5 from 59K ratings, while CubeTime averages 4.7 from 266 ratings.
Do 21Moves | Cube Puzzle Solver or CubeTime have ads?
Neither 21Moves | Cube Puzzle Solver nor CubeTime shows ads.
Which is updated more often, 21Moves | Cube Puzzle Solver or CubeTime?
21Moves | Cube Puzzle Solver ships an update weekly, and CubeTime every 9 days. Most recently, 21Moves | Cube Puzzle Solver was updated on September 24, 2026 and CubeTime on September 23, 2026.

Other comparisons