# 21Moves | Cube Puzzle Solver vs AR Sketch Studio

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.

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.

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.

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.

## The numbers

| Metric | 21Moves | Cube Puzzle Solver | AR Sketch Studio |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (59K ratings)](https://appshunter.io/ios/app/21moves-cube-puzzle-solver/id1533263247/reviews)** | [4.6 (2.4K ratings)](https://appshunter.io/ios/app/ar-sketch-studio/id6473878241/reviews) |
| Number of ratings | **59K** | 2.4K |
| Positive reviews | **69.6% of reviews** | 20.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Weekly** | Fortnightly |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 157 MB | 149 MB |
| Requires iOS | **14.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Opitas Inc.](https://appshunter.io/developer/1526688601) | [Huy Nguyen](https://appshunter.io/developer/1671084177) |

## What reviewers say

### 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


### AR Sketch Studio

[App page](https://appshunter.io/ios/app/ar-sketch-studio/id6473878241)

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:** macOS Compatibility, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| AR Drawing Weekly | $5.99 | per 7 days |
| AR Drawing Yearly | $29.99 | per year |

**What reviewers like**

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

**What reviewers complain about**

- 💸 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

**Reported bugs**

- Drawings not aligning properly
- Sudden app crashes or freezes
- Inconsistent performance across devices

**Requested features**

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


## Frequently asked 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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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*