# 碎片英语 vs WordTrees

The clearest difference is in-app purchases: WordTrees at none against 碎片英语's 2. 碎片英语's advantage is update cadence (every 2 days vs every 9 days) and iOS requirement (15.0 vs 17.6). On price, ads and device support there is nothing between them.

Both are free to download. 碎片英语 sells 2 one-off in-app purchases. WordTrees asks for nothing beyond the download.

碎片英语 ships an update every 2 days, WordTrees every 9 days. The most recent releases landed on September 22, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | 碎片英语 | WordTrees |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 9 days |
| Monetization | — | Paid |
| Size | 32 MB | 16 MB |
| Requires iOS | **15.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [深圳市短吻鳄科技有限公司](https://appshunter.io/developer/1160649869) | [祖浪 吴](https://appshunter.io/developer/1883572387) |

## What reviewers say

### 碎片英语

[App page](https://appshunter.io/ios/app/id6764286604)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Trial Member | $5.99 | one-time |
| piecesEnglish membership | $14.99 | one-time |


### WordTrees

[App page](https://appshunter.io/ios/app/wordtrees/id6775192724)

This app uses AI to break down words into their roots, prefixes, and suffixes, revealing their origins and semantic connections. It builds a visual word network, expanding vocabulary through derivatives and related terms for efficient learning.

**Highlights:** AI-powered word dissection, Root, prefix, suffix analysis, Word relationship network, Visual tree diagram display, Vocabulary expansion tools, Native iOS design

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

**In-app purchases:** none


## Frequently asked questions

### Is 碎片英语 free?

碎片英语 is free to download, with in-app purchases available.

### Is WordTrees free?

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

### Do 碎片英语 or WordTrees have ads?

Neither 碎片英语 nor WordTrees shows ads.

### Which is updated more often, 碎片英语 or WordTrees?

碎片英语 ships an update every 2 days, and WordTrees every 9 days. Most recently, 碎片英语 was updated on September 22, 2026 and WordTrees on September 18, 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.*