# eSystem MoEYS vs Mekong Science

The clearest difference is iOS requirement: eSystem MoEYS at 11.0 against Mekong Science's 16.4. On price, ads, 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.

## The numbers

| Metric | eSystem MoEYS | Mekong Science |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Every 2 months |
| Size | 79 MB | 56 MB |
| Requires iOS | **11.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Ministry of Education, Youth and Sports of Cambodia](https://appshunter.io/developer/1551279705) | [Ya Visal Yin](https://appshunter.io/developer/1777728432) |

## What reviewers say

### eSystem MoEYS

[App page](https://appshunter.io/ios/app/esystem-moeys/id6450257674)

**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 eSystem MoEYS free?

eSystem MoEYS 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 eSystem MoEYS or Mekong Science have ads?

Neither eSystem MoEYS nor Mekong Science shows ads.

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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.*