# HSK ภาษาไทย vs CLS Edo

The clearest difference is in-app purchases: CLS Edo at none against HSK ภาษาไทย's 1. CLS Edo also leads on ads (none vs shown) and update cadence (every 3 weeks vs every 77 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. HSK ภาษาไทย sells 1 one-off in-app purchase. CLS Edo asks for nothing beyond the download.

HSK ภาษาไทย ships an update every 77 months, CLS Edo every 3 weeks. The most recent releases landed on October 8, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | HSK ภาษาไทย | CLS Edo |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 75.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 77 months | **Every 3 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 22 MB | 94 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Sorboni Mumin](https://appshunter.io/developer/1227304724) | [Deknerd Dot Com Company Limited](https://appshunter.io/developer/1438116411) |

## What reviewers say

### HSK ภาษาไทย

[App page](https://appshunter.io/ios/app/hsk/id1485554232)

Prepare for the HSK Mandarin proficiency exam with this app. It offers vocabulary study, various quiz types, and flashcards for levels 1-4, with bonus online tests up to level 6. Track your progress and compete on leaderboards.

**Highlights:** HSK vocabulary for levels 1-4, Chinese characters (Simplified/Traditional), Pinyin and Thai definitions, Audio pronunciation, Multiple quiz types, Flashcards with timer mode, Progress tracking and leaderboards

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $4.99 | one-time |


### CLS Edo

[App page](https://appshunter.io/ios/app/cls-edo/id1503144901)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is HSK ภาษาไทย free?

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

### Is CLS Edo free?

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

### Do HSK ภาษาไทย or CLS Edo have ads?

HSK ภาษาไทย shows ads; CLS Edo does not.

### Which is updated more often, HSK ภาษาไทย or CLS Edo?

HSK ภาษาไทย ships an update every 77 months, and CLS Edo every 3 weeks. Most recently, HSK ภาษาไทย was updated on October 8, 2026 and CLS Edo on October 1, 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.*