# Di yi vs CHSK

The clearest difference is update cadence: CHSK at every 4 days against Di yi's every 2 months. 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.

Di yi ships an update every 2 months, CHSK every 4 days. The most recent releases landed on October 25, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Di yi | CHSK |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 4 days** |
| Monetization | — | Free |
| Size | 63 MB | 103 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 9+ |
| Developer | [Delgerekh Sukhbaatar](https://appshunter.io/developer/1654426782) | [Wuxi Wudao Matrix Information Technology Co., Ltd](https://appshunter.io/developer/1884923310) |

## What reviewers say

### Di yi

[App page](https://appshunter.io/ios/app/di-yi/id6444391799)

**Features:** macOS Compatibility

**In-app purchases:** none


### CHSK

[App page](https://appshunter.io/ios/app/chsk/id6772783157)

Prepare for HSK Chinese proficiency tests from levels 1 to 6 with mock exams, targeted practice modules, and vocabulary flashcards. Engage in word matching games and access a comprehensive grammar list with search functionality.

**Highlights:** Mock HSK exams with timer, Targeted listening, reading, writing practice, Bilingual vocabulary flashcards, Timed word matching game, Grammar points index and search

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Di yi free?

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

### Is CHSK free?

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

### Do Di yi or CHSK have ads?

Neither Di yi nor CHSK shows ads.

### Which is updated more often, Di yi or CHSK?

Di yi ships an update every 2 months, and CHSK every 4 days. Most recently, Di yi was updated on October 25, 2026 and CHSK on October 28, 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.*