# Greatest Common Divisor vs Simplify Fractions

The clearest difference is price: Simplify Fractions at Free against Greatest Common Divisor's $0.99. Simplify Fractions also leads on update cadence (every 3 months vs every 36 months). Greatest Common Divisor's advantage is ads (none vs shown) and iOS requirement (11.0 vs 15.6). On in-app purchases and device support there is nothing between them.

Simplify Fractions is free to download; Greatest Common Divisor costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Greatest Common Divisor ships an update every 36 months, Simplify Fractions every 3 months. The most recent releases landed on September 27, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Greatest Common Divisor | Simplify Fractions |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/simplify-fractions-simple/id6449391611/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 36 months | **Every 3 months** |
| Monetization | — | Ad-supported |
| Size | 1 MB | 13 MB |
| Requires iOS | **11.0** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Manfred Breede](https://appshunter.io/developer/414696754) | [Ryouhei Azuma](https://appshunter.io/developer/1353297781) |

## What reviewers say

### Greatest Common Divisor

[App page](https://appshunter.io/ios/app/greatest-common-divisor/id698020846)

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

**In-app purchases:** none


### Simplify Fractions

[App page](https://appshunter.io/ios/app/simplify-fractions-simple/id6449391611)

Easily reduce fractions to their simplest form. This tool is perfect for students, teachers, and anyone needing quick fraction calculations for homework or daily life. Its intuitive interface makes it accessible for all ages.

**Highlights:** Automatic fraction reduction, Simple and intuitive interface, Useful for learning aids, Homework checking, Everyday calculations

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

**In-app purchases:** none


## Frequently asked questions

### Is Greatest Common Divisor free?

Greatest Common Divisor costs $0.99, with no in-app purchases.

### Is Simplify Fractions free?

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

### Do Greatest Common Divisor or Simplify Fractions have ads?

Simplify Fractions shows ads; Greatest Common Divisor does not.

### Which is updated more often, Greatest Common Divisor or Simplify Fractions?

Greatest Common Divisor ships an update every 36 months, and Simplify Fractions every 3 months. Most recently, Greatest Common Divisor was updated on September 27, 2026 and Simplify Fractions 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.*