# CircleMaster vs Circle Judge

The clearest difference is review sentiment: CircleMaster at 100% against Circle Judge's 50%. Circle Judge's advantage is in-app purchases (none vs 3) and update cadence (every 5 months vs every 10 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. CircleMaster sells 3 one-off in-app purchases. Circle Judge asks for nothing beyond the download.

CircleMaster ships an update every 10 months, Circle Judge every 5 months. Both last shipped on October 30, 2026.

## The numbers

| Metric | CircleMaster | Circle Judge |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (30 ratings)](https://appshunter.io/ios/app/circlemaster-circle-scoring/id6470065455/reviews)** | — |
| Number of ratings | **30** | — |
| Positive reviews | **100.0% of reviews** | 50.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 10 months | **Every 5 months** |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 131 MB | 6 MB |
| Requires iOS | **15.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Yuji Onishi](https://appshunter.io/developer/1515405214) | [MITSUKO MARGOT KUBOTA ONO](https://appshunter.io/developer/1799524637) |

## What reviewers say

### CircleMaster

[App page](https://appshunter.io/ios/app/circlemaster-circle-scoring/id6470065455)

This app scores your drawn circles against a perfect circle, offering points and levels based on accuracy. Enhance your drawing skills, unlock combos, and compete with others. Features include a level-up system, strict pro mode, and tips to improve your technique.

**Highlights:** Circle scoring against perfect circle, Level up system, Pro mode with strict scoring, Combo system for bonus points, Tips and tutorials for skill improvement

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ad removal | $2.00 | one-time |
| Pro Mode unlock | $2.00 | one-time |
| Remove ads and unlock pro mode | $3.00 | one-time |


### Circle Judge

[App page](https://appshunter.io/ios/app/circle-judge-roundness-check/id6751216299)

This app scores the roundness of freehand circles drawn on your screen. It provides instant feedback on how close your drawing is to a perfect circle, with options for customization and sharing your results.

**Highlights:** One-tap roundness scoring, Reference circle overlay, Customizable pen and guide colors, Share drawings with scores, Light/Dark Mode support

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is CircleMaster free?

CircleMaster is free to download, with in-app purchases available.

### Is Circle Judge free?

Circle Judge is free to download, with no in-app purchases.

### Do CircleMaster or Circle Judge have ads?

Both CircleMaster and Circle Judge show ads.

### Which is updated more often, CircleMaster or Circle Judge?

CircleMaster ships an update every 10 months, and Circle Judge every 5 months. Most recently, CircleMaster was updated on October 30, 2026 and Circle Judge on October 30, 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.*