# GCD LCM Calculation vs MHESI Skill

The clearest difference is update cadence: MHESI Skill at every 3 weeks against GCD LCM Calculation's every 2 months. MHESI Skill also leads on iOS requirement (12.0 vs 15.0). On price, ads, in-app purchases and device support 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, MHESI Skill every 3 weeks. Both last shipped on October 25, 2026.

## The numbers

| Metric | GCD LCM Calculation | MHESI Skill |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Size | 14 MB | 81 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Kazuhisa Kobayashi](https://appshunter.io/developer/1580882000) | [EDA (THAILAND) COMPANY LIMITED](https://appshunter.io/developer/1766471138) |

## What reviewers say

### GCD LCM Calculation

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

**Features:** macOS Compatibility

**In-app purchases:** none


### MHESI Skill

[App page](https://appshunter.io/ios/app/mhesi-skill/id6744092689)

**Features:** macOS Compatibility

**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 MHESI Skill free?

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

### Do GCD LCM Calculation or MHESI Skill have ads?

Both GCD LCM Calculation and MHESI Skill show ads.

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

GCD LCM Calculation ships an update every 2 months, and MHESI Skill every 3 weeks. Most recently, GCD LCM Calculation was updated on October 25, 2026 and MHESI Skill on October 25, 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.*