# RepeatDuck vs Z2Y Force Remember Words

The clearest difference is in-app purchases: Z2Y Force Remember Words at none against RepeatDuck's 3. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. RepeatDuck sells 3 in-app purchases, starting at $1.99 per month. Z2Y Force Remember Words asks for nothing beyond the download.

RepeatDuck ships an update every 2 months, Z2Y Force Remember Words every 5 weeks. Both last shipped on October 30, 2026.

## The numbers

| Metric | RepeatDuck | Z2Y Force Remember Words |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/repeatduck-chinese-master/id6740007643/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 5 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 147 MB | 79 MB |
| Requires iOS | 15.0 | **14.0** |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Chaojifeng (Xiamen) Network Technology Co., Ltd.](https://appshunter.io/developer/1779974143) | [洁 欧阳](https://appshunter.io/developer/1715570257) |

## What reviewers say

### RepeatDuck

[App page](https://appshunter.io/ios/app/repeatduck-chinese-master/id6740007643)

Master Chinese vocabulary with intelligent flashcards and spaced repetition. Features audio-based memorization, custom card creation, and detailed progress analytics. Learn efficiently with offline access and customizable reading modes.

**Highlights:** Audio-based memorization, Custom flashcard creation, Spaced repetition system, Progress tracking and analytics, Offline mode, Configurable learning languages

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Pro | $1.99 | per month |
| Yearly Pro | $9.99 | per year |
| Lifetime Pro | $19.99 | one-time |


### Z2Y Force Remember Words

[App page](https://appshunter.io/ios/app/z2y-force-remember-words/id6743989782)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is RepeatDuck free?

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

### Is Z2Y Force Remember Words free?

Z2Y Force Remember Words is free to download, with no in-app purchases.

### Do RepeatDuck or Z2Y Force Remember Words have ads?

Neither RepeatDuck nor Z2Y Force Remember Words shows ads.

### Which is updated more often, RepeatDuck or Z2Y Force Remember Words?

RepeatDuck ships an update every 2 months, and Z2Y Force Remember Words every 5 weeks. Most recently, RepeatDuck was updated on October 30, 2026 and Z2Y Force Remember Words on October 30, 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.*