Comparison

21Moves | Cube Puzzle Solver vs AR Sketch Studio

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

AR Sketch Studio

This app uses augmented reality to help you draw, sketch, and paint. Trace projected images onto surfaces, color them, and even convert your own photos into sketches. It's designed for artists of all levels to explore their creativity.

Highlights
  • Draw and trace with AR technology
  • Color and finish creations
  • 1000+ free tracing templates
  • Convert own pictures for drawing
  • Record time-lapse drawing videos
  • AI conversion tool
Features
Read full description

AR Drawing: Paint & Sketch - a powerful tool for artists, designers, and creative individuals. Have you tried AR helping with your drawings? Introduce AR Drawing: Paint & Sketch - a revolutionary app that uses Augmented Reality (AR) to transform the way you draw, sketch, and paint. AR Drawing: Paint & Sketch is an innovative mobile app that helps you learn to draw sketches and allows you to create stunning drawings and paintings using augmented reality technology by camera. Now it's time for you to draw and sketch anything you want on any surface! Just trace a projected picture on paper and color it, drawing has never been easier. With just a few steps, you can complete your painting. AR Drawing: Paint & Sketch will help you learn to draw sketches at ease! How to use: 1. Locate the phone on a steady tripod or object. 2. Open AR Drawing: Paint & Sketch. 3. Import or choose a picture from Art Gallery 4. Convert your picture into a border sketch. 5. Adjust the AR version of the picture on canvas or paper. 6. Create your own stunning masterpieces! Main Features - Draw and trace with AR technology. - Color and finish your creation. - 1000+ Free samples of painting and tracing templates to trace anything. - Lots of tracing genres to trace anything: Animals, Nature, Food, Anime etc. - Convert your own picture for easy drawing using the AI Conversion tool. - Record time-lapse videos of your drawings, capture, analyze, and refine your workflows. - Improve sketches with various options to create a complete photo drawing - User-friendly features and interface make it easy to learn and use for both beginners and experienced artists. - Discover your creative genius and bring your imagination to life. - You can register a premium account with all the features of app without ads - Payment will be charged to iTunes Account at confirmation of purchase - Subscription automatically renews unless auto-renew is turned off at least 24-hours before the end of the current period - Account will be charged for renewal within 24-hours prior to the end of the current period, and identify the cost of the renewal. - Subscriptions may be managed by the user and auto-renewal may be turned off by going to the user's Account Settings after purchase. - Links to our Terms of Service and Privacy Policy can be found below: https://friday1game.com/ - Any unused portion of a free trial period, if offered, will be forfeited when the user purchases a subscription to that publication, where applicable. Explore the world of augmented reality art and take your creativity to a new level. Download AR Drawing: Paint & Sketch today and start drawing out of your imagination! If you find AR Drawing: Paint & Sketch helpful, please rate us and share AR Drawing: Paint & Sketch with your friends. Thank you!

Screenshots

21Moves | Cube Puzzle Solver4 screens
AR Sketch Studio4 screens

Verdict

The call

21Moves | Cube Puzzle Solver and AR Sketch Studio both sit at 4.7 stars, but that hides the real split: 70% of 21Moves | Cube Puzzle Solver's written reviews are positive against 20% of AR Sketch Studio's. 21Moves | Cube Puzzle Solver also leads on ads (none vs shown) and ratings volume (59K vs 2.4K). On price, rating, in-app purchases and monetization model 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 and AR Sketch Studio sells 2 in-app purchases, starting at $5.99 per 7 days. Whichever you choose, the download price is not the number that matters.

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 4.6 for AR Sketch Studio. That said, the two scores are not equally well evidenced: 21Moves | Cube Puzzle Solver has 59K ratings behind it against 2.4K, 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 20% of AR Sketch Studio's.

UpkeepUpdate frequency

21Moves | Cube Puzzle Solver ships an update weekly, AR Sketch Studio fortnightly. The most recent releases landed on September 24, 2026 and September 7, 2026 respectively.

Scorecard4 real differences · 6 level
21Moves | Cube Puzzle Solver versus AR Sketch Studio: the parameters behind the verdict, then further details
Parameter21Moves | Cube Puzzle SolverAR Sketch Studio
PriceFreeFree
Rating4.7 (59K ratings) — better4.6 (2.4K ratings)
Positive reviews69.6% of reviews — better20.0% of reviews
Number of ratings59K — better2.4K
Update frequencyWeekly — betterFortnightly
AdsNo — betterYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS14.0 — better15.0
Further details — not scored
Size157 MB149 MB
Age rating4+4+
DeveloperOpitas Inc.Huy Nguyen

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%

AR Sketch Studio

All ratings2,437 ratings
Positive89.2%
Neutral1.3%
Negative9.5%
Written reviews466 reviews
Positive20.0%
Neutral5.8%
Negative74.2%

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

AR Sketch Studio

From 2.4K App Store ratings

What we love

  • 🤑 Good for learning and teaching
  • 🎨 Variety of pictures to trace and draw
  • ✨ Boosts inspiration for art and manga drawing
  • 📝 Includes fancy fonts for writing

Room to improve

  • 💸 Requires payment to access more features
  • 📢 Too many ads interrupting the experience
  • 🤯 Difficult to line up drawings properly
  • 🤔 Camera issues and blurry images
  • 🙄 Limited free options

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

AR Sketch Studio

Reported bugs

3 issues
  • Drawings not aligning properly
  • Sudden app crashes or freezes
  • Inconsistent performance across devices

Requested features

4 requests
  • More free drawing options
  • Improved camera integration and controls
  • Reduced ads or ad-free version
  • Additional drawing tools and customization

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
2 purchases

AR Sketch Studio

Subscriptions2
  • AR Drawing Weekly3 Days trial$5.997 Days
  • AR Drawing Yearly3 Days trial$29.991 Year

Questions

Is 21Moves | Cube Puzzle Solver free?
21Moves | Cube Puzzle Solver is free to download, with in-app purchases available.
Is AR Sketch Studio free?
AR Sketch Studio is free to download, with in-app purchases available.
Which has better reviews, 21Moves | Cube Puzzle Solver or AR Sketch Studio?
21Moves | Cube Puzzle Solver is rated higher. 21Moves | Cube Puzzle Solver averages 4.7 out of 5 from 59K ratings, while AR Sketch Studio averages 4.6 from 2.4K ratings.
Do 21Moves | Cube Puzzle Solver or AR Sketch Studio have ads?
AR Sketch Studio shows ads; 21Moves | Cube Puzzle Solver does not.
Which is updated more often, 21Moves | Cube Puzzle Solver or AR Sketch Studio?
21Moves | Cube Puzzle Solver ships an update weekly, and AR Sketch Studio fortnightly. Most recently, 21Moves | Cube Puzzle Solver was updated on September 24, 2026 and AR Sketch Studio on September 7, 2026.

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