# Maths Ratios vs Modulo Calculator.

The clearest difference is price: Modulo Calculator. at Free against Maths Ratios's $3.99. Modulo Calculator. also leads on update cadence (every 4 months vs every 19 months). Maths Ratios's advantage is ads (none vs shown). On in-app purchases, device support and iOS requirement there is nothing between them.

Modulo Calculator. is free to download; Maths Ratios costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Maths Ratios ships an update every 19 months, Modulo Calculator. every 4 months. The most recent releases landed on October 12, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Maths Ratios | Modulo Calculator. |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 19 months | **Every 4 months** |
| Size | 14 MB | 29 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Willie van Schalkwyk](https://appshunter.io/developer/1016415734) | [Milos Lukas Ziolkowski](https://appshunter.io/developer/1778486821) |

## What reviewers say

### Maths Ratios

[App page](https://appshunter.io/ios/app/maths-ratios/id1315300563)

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

**In-app purchases:** none


### Modulo Calculator.

[App page](https://appshunter.io/ios/app/modulo-calculator/id6737914141)

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

**In-app purchases:** none


## Frequently asked questions

### Is Maths Ratios free?

Maths Ratios costs $3.99, with no in-app purchases.

### Is Modulo Calculator. free?

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

### Do Maths Ratios or Modulo Calculator. have ads?

Modulo Calculator. shows ads; Maths Ratios does not.

### Which is updated more often, Maths Ratios or Modulo Calculator.?

Maths Ratios ships an update every 19 months, and Modulo Calculator. every 4 months. Most recently, Maths Ratios was updated on October 12, 2026 and Modulo Calculator. on October 9, 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.*