# GCD LCM Calculation vs CommonDivisor

The clearest difference is update cadence: CommonDivisor at weekly against GCD LCM Calculation's every 2 months. GCD LCM Calculation's advantage is device support (3 vs 1). On price, ads, in-app purchases 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.

GCD LCM Calculation ships an update every 2 months, CommonDivisor weekly. The most recent releases landed on November 4, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | GCD LCM Calculation | CommonDivisor |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 2 months | **Weekly** |
| Size | 14 MB | 19 MB |
| Requires iOS | **15.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Kazuhisa Kobayashi](https://appshunter.io/developer/1580882000) | [Katsuhiko Yao](https://appshunter.io/developer/1543188534) |

## What reviewers say

### GCD LCM Calculation

[App page](https://appshunter.io/ios/app/gcd-lcm-calculation/id6621190448)

**Features:** macOS Compatibility

**In-app purchases:** none


### CommonDivisor

[App page](https://appshunter.io/ios/app/commondivisor/id6746661138)

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

**In-app purchases:** none


## Frequently asked questions

### Is GCD LCM Calculation free?

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

### Is CommonDivisor free?

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

### Do GCD LCM Calculation or CommonDivisor have ads?

Both GCD LCM Calculation and CommonDivisor show ads.

### Which is updated more often, GCD LCM Calculation or CommonDivisor?

GCD LCM Calculation ships an update every 2 months, and CommonDivisor weekly. Most recently, GCD LCM Calculation was updated on November 4, 2026 and CommonDivisor 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.*