# Math Quiz vs PSM Circle

The clearest difference is update cadence: PSM Circle at every 3 weeks against Math Quiz's every 7 months. Math Quiz's advantage is iOS requirement (12.0 vs 15.1). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Math Quiz ships an update every 7 months, PSM Circle every 3 weeks. The most recent releases landed on October 5, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Math Quiz | PSM Circle |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 3 weeks** |
| Size | 36 MB | 59 MB |
| Requires iOS | **12.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Bui Dinh Nguyen](https://appshunter.io/developer/1159334014) | [Hung Hoang Le](https://appshunter.io/developer/1388196112) |

## What reviewers say

### Math Quiz

[App page](https://appshunter.io/ios/app/math-quiz-brain-games/id6473575804)

**Features:** macOS Compatibility

**In-app purchases:** none


### PSM Circle

[App page](https://appshunter.io/ios/app/psm-circle/id6754418838)

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

**In-app purchases:** none


## Frequently asked questions

### Is Math Quiz free?

Math Quiz is free to download, with no in-app purchases.

### Is PSM Circle free?

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

### Do Math Quiz or PSM Circle have ads?

Neither Math Quiz nor PSM Circle shows ads.

### Which is updated more often, Math Quiz or PSM Circle?

Math Quiz ships an update every 7 months, and PSM Circle every 3 weeks. Most recently, Math Quiz was updated on October 5, 2026 and PSM Circle on October 25, 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.*