# Greatest Common Factor vs Square Root Calculator SDG

The clearest difference is price: Square Root Calculator SDG at Free against Greatest Common Factor's $0.99. Square Root Calculator SDG also leads on update cadence (every 12 months vs every 38 months) and ratings volume (4 vs 1). Greatest Common Factor's advantage is ads (none vs shown) and rating (5.0 vs 4.8). On in-app purchases and device support there is nothing between them.

Square Root Calculator SDG is free to download; Greatest Common Factor costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Greatest Common Factor holds the better App Store score, 5.0 against 4.8. Both are backed by a comparable volume of ratings — 1 and 4 respectively.

Greatest Common Factor ships an update every 38 months, Square Root Calculator SDG every 12 months. The most recent releases landed on September 11, 2026 and July 20, 2026 respectively.

## The numbers

| Metric | Greatest Common Factor | Square Root Calculator SDG |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/greatest-common-factor/id1573121817/reviews)** | [4.8 (4 ratings)](https://appshunter.io/ios/app/square-root-calculator-sdg/id6741165200/reviews) |
| Number of ratings | 1 | **4** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 38 months | **Every 12 months** |
| Monetization | Paid | **Ad-supported** |
| Size | 1 MB | 12 MB |
| Requires iOS | 14.1 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [H Valeur](https://appshunter.io/developer/621824042) | [SDG CODE DOO NIS](https://appshunter.io/developer/1343251532) |

## 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


### Square Root Calculator SDG

[App page](https://appshunter.io/ios/app/square-root-calculator-sdg/id6741165200)

This utility app provides a straightforward way to calculate the square root of any number. Its simple interface makes it easy to use for quick calculations.

**Highlights:** Calculate square roots, Easy to use interface, Quick calculations, Supports all numbers

**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 Square Root Calculator SDG free?

Square Root Calculator SDG is free to download, with no in-app purchases.

### Which has better reviews, Greatest Common Factor or Square Root Calculator SDG?

Greatest Common Factor is rated higher. Greatest Common Factor averages 5.0 out of 5 from 1 ratings, while Square Root Calculator SDG averages 4.8 from 4 ratings.

### Do Greatest Common Factor or Square Root Calculator SDG have ads?

Square Root Calculator SDG shows ads; Greatest Common Factor does not.

### Which is updated more often, Greatest Common Factor or Square Root Calculator SDG?

Greatest Common Factor ships an update every 38 months, and Square Root Calculator SDG every 12 months. Most recently, Greatest Common Factor was updated on September 11, 2026 and Square Root Calculator SDG on July 20, 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.*