# GCD LCM Calculation vs Greatest Common Divisor Solver

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

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

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 9, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | GCD LCM Calculation | Greatest Common Divisor Solver |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | Every 2 months |
| 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


### Greatest Common Divisor Solver

[App page](https://appshunter.io/ios/app/greatest-common-divisor-solver/id6802801196)

**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 Greatest Common Divisor Solver free?

Greatest Common Divisor Solver is free to download, with in-app purchases available.

### Do GCD LCM Calculation or Greatest Common Divisor Solver have ads?

GCD LCM Calculation shows ads; Greatest Common Divisor Solver does not.

### Which is updated more often, GCD LCM Calculation or Greatest Common Divisor Solver?

GCD LCM Calculation ships an update every 2 months, and Greatest Common Divisor Solver every 2 months. Most recently, GCD LCM Calculation was updated on October 9, 2026 and Greatest Common Divisor Solver on October 24, 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.*