# HSK Mastery vs 字课

The clearest difference is in-app purchases: 字课 at none against HSK Mastery's 2. HSK Mastery's advantage is iOS requirement (15.0 vs 18.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. HSK Mastery sells 2 in-app purchases, starting at $4.99 per month. 字课 asks for nothing beyond the download.

Both ship on a similar rhythm, roughly fortnightly. The most recent releases landed on November 5, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | HSK Mastery | 字课 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Fortnightly | Fortnightly |
| Size | 16 MB | 81 MB |
| Requires iOS | **15.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Burak Dalkiran](https://appshunter.io/developer/1887084567) | [帅 刘](https://appshunter.io/developer/696578727) |

## What reviewers say

### HSK Mastery

[App page](https://appshunter.io/ios/app/hsk-mastery/id6760968965)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $4.99 | per month |
| Premium Yearly | $39.99 | per year |


### 字课

[App page](https://appshunter.io/ios/app/learn-chinese-writing/id6784051034)

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

**In-app purchases:** none


## Frequently asked questions

### Is HSK Mastery free?

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

### Is 字课 free?

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

### Do HSK Mastery or 字课 have ads?

Neither HSK Mastery nor 字课 shows ads.

### Which is updated more often, HSK Mastery or 字课?

HSK Mastery ships an update fortnightly, and 字课 fortnightly. Most recently, HSK Mastery was updated on November 5, 2026 and 字课 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.*