# Mekong Science vs KSH

The clearest difference is update cadence: KSH at every 6 days against Mekong Science's every 2 months. KSH also leads on iOS requirement (12.0 vs 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.

Mekong Science ships an update every 2 months, KSH every 6 days. The most recent releases landed on September 15, 2026 and September 6, 2026 respectively.

## The numbers

| Metric | Mekong Science | KSH |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 6 days** |
| Size | 56 MB | 55 MB |
| Requires iOS | 16.4 | **12.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Ya Visal Yin](https://appshunter.io/developer/1777728432) | [KHiM SOK HENG](https://appshunter.io/developer/1435750696) |

## What reviewers say

### Mekong Science

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

**In-app purchases:** none


### KSH

[App page](https://appshunter.io/ios/app/ksh/id6738598727)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Mekong Science free?

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

### Is KSH free?

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

### Do Mekong Science or KSH have ads?

Neither Mekong Science nor KSH shows ads.

### Which is updated more often, Mekong Science or KSH?

Mekong Science ships an update every 2 months, and KSH every 6 days. Most recently, Mekong Science was updated on September 15, 2026 and KSH on September 6, 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.*