# GCD LCM Calculation vs Least Common Multiple Solver

The clearest difference is in-app purchases: GCD LCM Calculation at none against Least Common Multiple Solver's 7. Least Common Multiple Solver's advantage is ads (none vs shown) and update cadence (weekly vs every 2 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Least Common Multiple Solver sells 7 one-off in-app purchases. GCD LCM Calculation asks for nothing beyond the download.

GCD LCM Calculation ships an update every 2 months, Least Common Multiple Solver weekly. Both last shipped on October 9, 2026.

## The numbers

| Metric | GCD LCM Calculation | Least Common Multiple Solver |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Weekly** |
| Size | 14 MB | 179 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Kazuhisa Kobayashi](https://appshunter.io/developer/1580882000) | [Glindemann, Sennoun, Langer GbR](https://appshunter.io/developer/1024972809) |

## What reviewers say

### GCD LCM Calculation

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

**Features:** macOS Compatibility

**In-app purchases:** none


### Least Common Multiple Solver

[App page](https://appshunter.io/ios/app/least-common-multiple-solver/id6792020111)

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

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| +30 User Tokens | $0.29 | one-time |
| +1 Convenience Token / 6h, max. +2 | $0.59 | one-time |
| +150 User Tokens | $0.99 | one-time |
| +2 Convenience Tokens / 6h, max. +4 | $0.99 | one-time |
| +300 User Tokens | $1.49 | one-time |
| +4 Convenience Tokens / 6h, max. +8 | $1.59 | one-time |
| Lifetime Access | $1.99 | one-time |


## Frequently asked questions

### Is GCD LCM Calculation free?

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

### Is Least Common Multiple Solver free?

Least Common Multiple Solver is free to download, with in-app purchases available.

### Do GCD LCM Calculation or Least Common Multiple Solver have ads?

GCD LCM Calculation shows ads; Least Common Multiple Solver does not.

### Which is updated more often, GCD LCM Calculation or Least Common Multiple Solver?

GCD LCM Calculation ships an update every 2 months, and Least Common Multiple Solver weekly. Most recently, GCD LCM Calculation was updated on October 9, 2026 and Least Common Multiple Solver on October 9, 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.*