# Khmer Lesson vs Zider 字得

The clearest difference is in-app purchases: Zider 字得 at none against Khmer Lesson's 1. Zider 字得 also leads on update cadence (daily vs every 4 weeks). Khmer Lesson's advantage is iOS requirement (15.1 vs 18.0). On price, ads and device support there is nothing between them.

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

Khmer Lesson ships an update every 4 weeks, Zider 字得 daily. The most recent releases landed on October 11, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | Khmer Lesson | Zider 字得 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 4 weeks | **Daily** |
| Size | 36 MB | 10 MB |
| Requires iOS | **15.1** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 9+ | 4+ |
| Developer | [Martin Hauser](https://appshunter.io/developer/1849203615) | [Haoxin Li](https://appshunter.io/developer/561254176) |

## What reviewers say

### Khmer Lesson

[App page](https://appshunter.io/ios/app/khmer-lesson/id6754609785)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Course | $0.99 | one-time |


### Zider 字得

[App page](https://appshunter.io/ios/app/zider/id6768217889)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Khmer Lesson free?

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

### Is Zider 字得 free?

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

### Do Khmer Lesson or Zider 字得 have ads?

Neither Khmer Lesson nor Zider 字得 shows ads.

### Which is updated more often, Khmer Lesson or Zider 字得?

Khmer Lesson ships an update every 4 weeks, and Zider 字得 daily. Most recently, Khmer Lesson was updated on October 11, 2026 and Zider 字得 on October 19, 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.*