# Simple Factors vs GCD LCM Calculation

The clearest difference is price: GCD LCM Calculation at Free against Simple Factors's $0.99. GCD LCM Calculation also leads on update cadence (every 2 months vs every 20 months). Simple Factors's advantage is ads (none vs shown). On in-app purchases, device support and iOS requirement there is nothing between them.

GCD LCM Calculation is free to download; Simple Factors costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Simple Factors ships an update every 20 months, GCD LCM Calculation every 2 months. The most recent releases landed on November 2, 2026 and November 8, 2026 respectively.

## The numbers

| Metric | Simple Factors | GCD LCM Calculation |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | **[3.8 (5 ratings)](https://appshunter.io/ios/app/simple-factors/id1084119563/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 20 months | **Every 2 months** |
| Monetization | Paid | — |
| Size | 1 MB | 14 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Joseph Palmer](https://appshunter.io/developer/914507761) | [Kazuhisa Kobayashi](https://appshunter.io/developer/1580882000) |

## What reviewers say

### Simple Factors

[App page](https://appshunter.io/ios/app/simple-factors/id1084119563)

This app helps users understand numbers by providing their factors and checking for primality or divisibility. It offers a straightforward interface for quick calculations up to 10 trillion.

**Highlights:** Calculates factors of numbers, Checks for primality, Determines divisibility, Supports numbers up to 10 trillion, Simple, menu-free interface

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

**In-app purchases:** none


### GCD LCM Calculation

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

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Simple Factors free?

Simple Factors costs $0.99, with no in-app purchases.

### Is GCD LCM Calculation free?

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

### Do Simple Factors or GCD LCM Calculation have ads?

GCD LCM Calculation shows ads; Simple Factors does not.

### Which is updated more often, Simple Factors or GCD LCM Calculation?

Simple Factors ships an update every 20 months, and GCD LCM Calculation every 2 months. Most recently, Simple Factors was updated on November 2, 2026 and GCD LCM Calculation on November 8, 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.*