# Khmer Knowledge vs Japanese

The clearest difference is in-app purchases: Khmer Knowledge at none against Japanese's 1. Khmer Knowledge also leads on ads (none vs shown) and iOS requirement (13.0 vs 15.6). On price, update cadence and device support there is nothing between them.

Both are free to download. Japanese sells 1 one-off in-app purchase. Khmer Knowledge asks for nothing beyond the download.

Khmer Knowledge ships an update every 3 months, Japanese every 2 months. Both last shipped on November 3, 2026.

## The numbers

| Metric | Khmer Knowledge | Japanese |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 months | **Every 2 months** |
| Size | 15 MB | 61 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Socheat Leng](https://appshunter.io/developer/1528841743) | [SHINGO MATSUO](https://appshunter.io/developer/1493414113) |

## What reviewers say

### Khmer Knowledge

[App page](https://appshunter.io/ios/app/khmer-knowledge/id1488126790)

**In-app purchases:** none


### Japanese

[App page](https://appshunter.io/ios/app/japanese-khmer-language/id1494489422)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| App Full Version | $3.99 | one-time |


## Frequently asked questions

### Is Khmer Knowledge free?

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

### Is Japanese free?

Japanese is free to download, with in-app purchases available.

### Do Khmer Knowledge or Japanese have ads?

Japanese shows ads; Khmer Knowledge does not.

### Which is updated more often, Khmer Knowledge or Japanese?

Khmer Knowledge ships an update every 3 months, and Japanese every 2 months. Most recently, Khmer Knowledge was updated on November 3, 2026 and Japanese on November 3, 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.*