# 成语典藏 vs 21天突破高频词汇

The clearest difference is price: 成语典藏 at Free against 21天突破高频词汇's $0.99. 成语典藏 also leads on update cadence (every 2 weeks vs every 3 weeks) and device support (3 vs 1). 21天突破高频词汇's advantage is in-app purchases (none vs 3). On ads there is nothing between them.

成语典藏 is free to download; 21天突破高频词汇 costs $0.99 up front. 成语典藏 sells 3 in-app purchases, starting at $4.99 per 3 months. 21天突破高频词汇 asks for nothing beyond the download.

成语典藏 ships an update every 2 weeks, 21天突破高频词汇 every 3 weeks. Both last shipped on October 25, 2026.

## The numbers

| Metric | 成语典藏 | 21天突破高频词汇 |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 3 weeks |
| Monetization | Freemium | — |
| Size | 114 MB | 3 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [思雯 陆](https://appshunter.io/developer/1883918955) | [鲁扬 王](https://appshunter.io/developer/1890054449) |

## What reviewers say

### 成语典藏

[App page](https://appshunter.io/ios/app/app/id6760381287)

This app offers a comprehensive approach to learning Chinese idioms, combining definitions, origins, stories, and interactive games. It provides daily learning tasks, progress tracking, and reminders to help users master idioms through understanding and practice.

**Highlights:** Daily idiom learning tasks, Idiom search and browsing, Detailed definitions and origins, Idiom stories and context, Interactive practice games, Learning progress tracking, Daily learning reminders

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 成语典藏·典藏季享 | $4.99 | per 3 months |
| 成语典藏·典藏年享 | $7.99 | per year |
| 成语典藏·典藏终身 | $9.99 | one-time |


### 21天突破高频词汇

[App page](https://appshunter.io/ios/app/21/id6797169848)

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

**In-app purchases:** none


## Frequently asked questions

### Is 成语典藏 free?

成语典藏 is free to download, with in-app purchases available.

### Is 21天突破高频词汇 free?

21天突破高频词汇 costs $0.99, with no in-app purchases.

### Do 成语典藏 or 21天突破高频词汇 have ads?

Neither 成语典藏 nor 21天突破高频词汇 shows ads.

### Which is updated more often, 成语典藏 or 21天突破高频词汇?

成语典藏 ships an update every 2 weeks, and 21天突破高频词汇 every 3 weeks. Most recently, 成语典藏 was updated on October 25, 2026 and 21天突破高频词汇 on October 25, 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.*