# Khmer Math Exercises vs Mekong Science

The clearest difference is ads: Mekong Science at none against Khmer Math Exercises's shown. Mekong Science also leads on update cadence (every 2 months vs every 9 months). Khmer Math Exercises's advantage is iOS requirement (12.0 vs 16.4). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Khmer Math Exercises ships an update every 9 months, Mekong Science every 2 months. The most recent releases landed on November 6, 2026 and November 8, 2026 respectively.

## The numbers

| Metric | Khmer Math Exercises | Mekong Science |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.8 (12 ratings)](https://appshunter.io/ios/app/khmer-math-exercises/id1080917380/reviews)** | — |
| Number of ratings | **12** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 9 months | **Every 2 months** |
| Monetization | Ad-supported | — |
| Size | 86 MB | 56 MB |
| Requires iOS | **12.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Cheab Kunthea](https://appshunter.io/developer/1073035288) | [Ya Visal Yin](https://appshunter.io/developer/1777728432) |

## What reviewers say

### Khmer Math Exercises

[App page](https://appshunter.io/ios/app/khmer-math-exercises/id1080917380)

Learn and solve math problems with a collection of exercises for grades 7 through 12. This application offers tips to help users tackle math challenges, allowing for convenient study anytime, anywhere.

**Highlights:** Math exercises for grades 7-12, Problem-solving tips, Learn anywhere, anytime, Beautiful and smooth UI, Formulas and exercises

**Features:** macOS Compatibility

**In-app purchases:** none


### Mekong Science

[App page](https://appshunter.io/ios/app/mekong-science/id6737747582)

**In-app purchases:** none


## Frequently asked questions

### Is Khmer Math Exercises free?

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

### Is Mekong Science free?

Mekong Science is free to download, with no in-app purchases.

### Do Khmer Math Exercises or Mekong Science have ads?

Khmer Math Exercises shows ads; Mekong Science does not.

### Which is updated more often, Khmer Math Exercises or Mekong Science?

Khmer Math Exercises ships an update every 9 months, and Mekong Science every 2 months. Most recently, Khmer Math Exercises was updated on November 6, 2026 and Mekong Science 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.*