# Multiply Fun vs Greatest Common Divisor PRO

The clearest difference is price: Multiply Fun at Free against Greatest Common Divisor PRO's $1.99. Multiply Fun also leads on update cadence (weekly vs every 5 weeks). Greatest Common Divisor PRO's advantage is in-app purchases (none vs 1) and ads (none vs shown). On device support and iOS requirement there is nothing between them.

Multiply Fun is free to download; Greatest Common Divisor PRO costs $1.99 up front. Multiply Fun sells 1 one-off in-app purchase. Greatest Common Divisor PRO asks for nothing beyond the download.

Multiply Fun ships an update weekly, Greatest Common Divisor PRO every 5 weeks. The most recent releases landed on October 10, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | Multiply Fun | Greatest Common Divisor PRO |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Weekly** | Every 5 weeks |
| Size | 9 MB | 179 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Mr.Darcy](https://appshunter.io/developer/377347580) | [Glindemann, Sennoun, Langer GbR](https://appshunter.io/developer/1024972809) |

## What reviewers say

### Multiply Fun

[App page](https://appshunter.io/ios/app/multiply-fun-9x9-lite/id6738277751)

**Features:** Family Sharing, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $0.99 | one-time |


### Greatest Common Divisor PRO

[App page](https://appshunter.io/ios/app/greatest-common-divisor-pro/id6802801796)

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

**In-app purchases:** none


## Frequently asked questions

### Is Multiply Fun free?

Multiply Fun is free to download, with in-app purchases available.

### Is Greatest Common Divisor PRO free?

Greatest Common Divisor PRO costs $1.99, with no in-app purchases.

### Do Multiply Fun or Greatest Common Divisor PRO have ads?

Multiply Fun shows ads; Greatest Common Divisor PRO does not.

### Which is updated more often, Multiply Fun or Greatest Common Divisor PRO?

Multiply Fun ships an update weekly, and Greatest Common Divisor PRO every 5 weeks. Most recently, Multiply Fun was updated on October 10, 2026 and Greatest Common Divisor PRO on October 29, 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.*