# 易错词库 vs Poetry Quest

The clearest difference is in-app purchases: Poetry Quest at none against 易错词库's 1. Poetry Quest also leads on iOS requirement (13.0 vs 16.6). 易错词库's advantage is update cadence (every 11 days vs every 4 months). On price, ads and device support there is nothing between them.

Both are free to download. 易错词库 sells 1 one-off in-app purchase. Poetry Quest asks for nothing beyond the download.

易错词库 ships an update every 11 days, Poetry Quest every 4 months. The most recent releases landed on October 22, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | 易错词库 | Poetry Quest |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 88.9% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 11 days** | Every 4 months |
| Monetization | Free with in-app purchases | — |
| Size | 10 MB | 88 MB |
| Requires iOS | 16.6 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [尧 魏](https://appshunter.io/developer/1658434412) | [洪升 曹](https://appshunter.io/developer/1846114663) |

## What reviewers say

### 易错词库

[App page](https://appshunter.io/ios/app/id6450763094)

This app helps students eliminate errors in Chinese characters, pinyin, and idioms. It offers a comprehensive dictionary of commonly mistaken words and provides learning materials from educational websites to boost Chinese language proficiency for exams.

**Highlights:** 3000+ common error words dictionary, Curated educational materials, High-frequency updates, Authoritative dictionary definitions, Save and favorite words for review

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| VIP 服务 | $0.99 | one-time |


### Poetry Quest

[App page](https://appshunter.io/ios/app/poetry-quest/id6754006573)

**In-app purchases:** none


## Frequently asked questions

### Is 易错词库 free?

易错词库 is free to download, with in-app purchases available.

### Is Poetry Quest free?

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

### Do 易错词库 or Poetry Quest have ads?

Neither 易错词库 nor Poetry Quest shows ads.

### Which is updated more often, 易错词库 or Poetry Quest?

易错词库 ships an update every 11 days, and Poetry Quest every 4 months. Most recently, 易错词库 was updated on October 22, 2026 and Poetry Quest on October 21, 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.*