# Math is Easy vs GCD and LCM

The clearest difference is price: Math is Easy at Free against GCD and LCM's $3.99. Math is Easy also leads on rating (3.5 vs 2.0) and update cadence (every 2 months vs every 19 months). On ratings volume, ads, in-app purchases and device support there is nothing between them.

Math is Easy is free to download; GCD and LCM costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Math is Easy holds the better App Store score, 3.5 against 2.0. Both are backed by a comparable volume of ratings — 2 and 2 respectively. Written reviews point the same way: 91% of Math is Easy's written reviews are positive against 69% of GCD and LCM's.

Math is Easy ships an update every 2 months, GCD and LCM every 19 months. Both last shipped on October 23, 2026.

## The numbers

| Metric | Math is Easy | GCD and LCM |
| --- | --- | --- |
| Price | **Free** | $3.99 |
| Rating | **[3.5 (2 ratings)](https://appshunter.io/ios/app/math-is-easy-prime/id488574860/reviews)** | [2.0 (2 ratings)](https://appshunter.io/ios/app/gcd-and-lcm/id603026694/reviews) |
| Number of ratings | 2 | 2 |
| Positive reviews | **90.9% of reviews** | 69.2% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 19 months |
| Monetization | **Free** | Paid |
| Size | 6 MB | 14 MB |
| Requires iOS | **7.0** | 12.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Xiaodong Zhu](https://appshunter.io/developer/414505553) | [Intemodino Group s.r.o.](https://appshunter.io/developer/557849644) |

## What reviewers say

### Math is Easy

[App page](https://appshunter.io/ios/app/math-is-easy-prime/id488574860)

This app helps users understand prime factorization with a fast, real-time solver. It also calculates the Greatest Common Factor and Least Common Multiple, and can generate random numbers for various uses.

**Highlights:** Prime factorization solver, Greatest Common Factor (GCF) calculation, Least Common Multiple (LCM) calculation, Random number generator, Real-time results as you type

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

**In-app purchases:** none


### GCD and LCM

[App page](https://appshunter.io/ios/app/gcd-and-lcm/id603026694)

This app calculates the Greatest Common Divisor (GCD) and Least Common Multiple (LCM) for up to four numbers. It also provides prime factorization and keeps a history of calculations, which can be emailed.

**Highlights:** Calculates GCD/GCF for 2-4 numbers, Calculates LCM for 2-4 numbers, Finds prime factorization, Stores calculation history, Sends results and history via email, Supports portrait and landscape modes

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Math is Easy free?

Math is Easy is free to download, with no in-app purchases.

### Is GCD and LCM free?

GCD and LCM costs $3.99, with no in-app purchases.

### Which has better reviews, Math is Easy or GCD and LCM?

Math is Easy is rated higher. Math is Easy averages 3.5 out of 5 from 2 ratings, while GCD and LCM averages 2.0 from 2 ratings.

### Do Math is Easy or GCD and LCM have ads?

Neither Math is Easy nor GCD and LCM shows ads.

### Which is updated more often, Math is Easy or GCD and LCM?

Math is Easy ships an update every 2 months, and GCD and LCM every 19 months. Most recently, Math is Easy was updated on October 23, 2026 and GCD and LCM on October 23, 2026.

---

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