# MohrSolver vs Four Numbers

The clearest difference is ads: Four Numbers at none against MohrSolver's shown. Four Numbers also leads on update cadence (every 5 days vs every 58 months) and iOS requirement (11.0 vs 17.0). On price, 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.

MohrSolver ships an update every 58 months, Four Numbers every 5 days. Both last shipped on October 24, 2026.

## The numbers

| Metric | MohrSolver | Four Numbers |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[2.0 (1 ratings)](https://appshunter.io/ios/app/four-numbers-relax-with-maths/id1573530559/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 58 months | **Every 5 days** |
| Monetization | — | Free |
| Size | 4 MB | 39 MB |
| Requires iOS | 17.0 | **11.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Wahlu Labs Pty Ltd](https://appshunter.io/developer/1066749680) | [Dean Longmore](https://appshunter.io/developer/984963696) |

## What reviewers say

### MohrSolver

[App page](https://appshunter.io/ios/app/mohrsolver-mohrs-circle/id1213556074)

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

**In-app purchases:** none


### Four Numbers

[App page](https://appshunter.io/ios/app/four-numbers-relax-with-maths/id1573530559)

Strengthen your brain with a minimalist puzzle game focused on numbers. Enjoy bite-sized gameplay without timers or pressure, improving your cognitive skills and number literacy. Compete with others on GameCentre scoreboards among thousands of puzzles.

**Highlights:** Minimalist puzzle design, No timers or pressure, Improves number literacy, Builds cognitive skills, GameCentre scoreboards, 9999 puzzles available

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is MohrSolver free?

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

### Is Four Numbers free?

Four Numbers is free to download, with no in-app purchases.

### Do MohrSolver or Four Numbers have ads?

MohrSolver shows ads; Four Numbers does not.

### Which is updated more often, MohrSolver or Four Numbers?

MohrSolver ships an update every 58 months, and Four Numbers every 5 days. Most recently, MohrSolver was updated on October 24, 2026 and Four Numbers on October 24, 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.*