# Greatest Common Factor vs LinksKeeper

The clearest difference is update cadence: LinksKeeper at daily against Greatest Common Factor's every 38 months. Greatest Common Factor's advantage is device support (3 vs 1) and iOS requirement (14.1 vs 17.0). On price, ads and in-app purchases there is nothing between them.

Greatest Common Factor costs $0.99 and LinksKeeper $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Greatest Common Factor ships an update every 38 months, LinksKeeper daily. The most recent releases landed on September 11, 2026 and June 4, 2026 respectively.

## The numbers

| Metric | Greatest Common Factor | LinksKeeper |
| --- | --- | --- |
| Price | $0.99 | $0.99 |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/greatest-common-factor/id1573121817/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 38 months | **Daily** |
| Monetization | Paid | — |
| Size | 1 MB | 2 MB |
| Requires iOS | **14.1** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [H Valeur](https://appshunter.io/developer/621824042) | [特 韩](https://appshunter.io/developer/1807021184) |

## What reviewers say

### Greatest Common Factor

[App page](https://appshunter.io/ios/app/greatest-common-factor/id1573121817)

This app helps users find the factors of numbers, calculate the Greatest Common Factor (GCF) for two or more numbers, and simplify fractions. It's a useful tool for understanding number theory concepts and performing fraction simplification.

**Highlights:** Find factors of a number, Calculate GCF of two or more numbers, Simplify fractions, Understand number theory concepts, Fraction simplification tool

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

**In-app purchases:** none


### LinksKeeper

[App page](https://appshunter.io/ios/app/linkskeeper/id6744561894)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Greatest Common Factor free?

Greatest Common Factor costs $0.99, with no in-app purchases.

### Is LinksKeeper free?

LinksKeeper costs $0.99, with no in-app purchases.

### Do Greatest Common Factor or LinksKeeper have ads?

Neither Greatest Common Factor nor LinksKeeper shows ads.

### Which is updated more often, Greatest Common Factor or LinksKeeper?

Greatest Common Factor ships an update every 38 months, and LinksKeeper daily. Most recently, Greatest Common Factor was updated on September 11, 2026 and LinksKeeper on June 4, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*