# Ratio Calculation vs MATH Keys

The clearest difference is ads: MATH Keys at none against Ratio Calculation's shown. MATH Keys also leads on update cadence (every 6 weeks vs every 5 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

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

Ratio Calculation ships an update every 5 months, MATH Keys every 6 weeks. The most recent releases landed on May 16, 2026 and July 22, 2026 respectively.

## The numbers

| Metric | Ratio Calculation | MATH Keys |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.3 (6 ratings)](https://appshunter.io/ios/app/math-keys/id6446790301/reviews)** |
| Number of ratings | — | **6** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 5 months | **Every 6 weeks** |
| Monetization | — | Free |
| Size | 4 MB | 2 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Tomohiko Akamine](https://appshunter.io/developer/1538895235) | [Guy Goldstein](https://appshunter.io/developer/1679091394) |

## What reviewers say

### Ratio Calculation

[App page](https://appshunter.io/ios/app/ratio-calculation/id1538895233)

**Features:** macOS Compatibility

**In-app purchases:** none


### MATH Keys

[App page](https://appshunter.io/ios/app/math-keys/id6446790301)

Easily create mathematical equations, formulas, and symbols online. This free tool enhances academic productivity for students and educators by providing quick access to a wide range of mathematical notations.

**Highlights:** Online equation editor, Mathematical symbols and operations, Latex notation tools, Copy and share formulas, Calculus, Algebra, Trigonometry support, Free to use

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

**In-app purchases:** none


## Frequently asked questions

### Is Ratio Calculation free?

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

### Is MATH Keys free?

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

### Do Ratio Calculation or MATH Keys have ads?

Ratio Calculation shows ads; MATH Keys does not.

### Which is updated more often, Ratio Calculation or MATH Keys?

Ratio Calculation ships an update every 5 months, and MATH Keys every 6 weeks. Most recently, Ratio Calculation was updated on May 16, 2026 and MATH Keys on July 22, 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.*