# 抓住单词 vs Polyidiom

The clearest difference is update cadence: Polyidiom at every 3 days against 抓住单词's every 8 days. On price, rating, review sentiment and ratings volume there is nothing between them.

Both are free to download. 抓住单词 sells 2 in-app purchases, starting at $12.99 per month and Polyidiom sells 3 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 5.0 for 抓住单词 against 5.0 for Polyidiom. Both are backed by a comparable volume of ratings — 2 and 1 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

抓住单词 ships an update every 8 days, Polyidiom every 3 days. Both last shipped on October 8, 2026.

## The numbers

| Metric | 抓住单词 | Polyidiom |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (2 ratings)](https://appshunter.io/ios/app/ai/id6739828290/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/polyidiom-learn-idiomslang/id6746371097/reviews) |
| Number of ratings | **2** | 1 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 8 days | **Every 3 days** |
| Monetization | Free with in-app purchases | Freemium |
| Size | 153 MB | 43 MB |
| Requires iOS | 17.6 | **17.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [庆辉 廖](https://appshunter.io/developer/1765637809) | [亲强 吴](https://appshunter.io/developer/1700348139) |

## What reviewers say

### 抓住单词

[App page](https://appshunter.io/ios/app/ai/id6739828290)

This app uses AI and scientific memory techniques to help users learn and retain English vocabulary. It offers a gamified learning experience with progress tracking and various specialized word lists for different academic levels and practical applications.

**Highlights:** AI anti-forgetting algorithm, Spaced repetition and cover recall, Root and affix word breakdown, Gamified learning with levels and rewards, Contextualized learning with AI-generated sentences, Immersive listening mode, Comprehensive word lists for all levels

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 月度会员 | $12.99 | per month |
| 年度会员 | $39.99 | per year |


### Polyidiom

[App page](https://appshunter.io/ios/app/polyidiom-learn-idiomslang/id6746371097)

Master idioms and slang across multiple languages with engaging illustrations and smart learning algorithms. Track your progress, save favorites, and explore cultural backgrounds. Offline access makes learning convenient anytime, anywhere.

**Highlights:** Card-based learning with definitions and history, Detailed explanations of cultural backgrounds, Save favorite idioms for review, Track learning progress and statistics, Support for six languages, Cartoon illustrations for enhanced memory, Offline learning support

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PolyIdiom Premium (Monthly) | $1.99 | per month |
| PolyIdiom Premium (Yearly) | $7.99 | per year |
| Polyidiom Lifetime Membership | $9.99 | one-time |


## Frequently asked questions

### Is 抓住单词 free?

抓住单词 is free to download, with in-app purchases available.

### Is Polyidiom free?

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

### Which has better reviews, 抓住单词 or Polyidiom?

抓住单词 and Polyidiom are both rated 5.0 out of 5 on the App Store, from 2 and 1 ratings respectively.

### Do 抓住单词 or Polyidiom have ads?

Neither 抓住单词 nor Polyidiom shows ads.

### Which is updated more often, 抓住单词 or Polyidiom?

抓住单词 ships an update every 8 days, and Polyidiom every 3 days. Most recently, 抓住单词 was updated on October 8, 2026 and Polyidiom on October 8, 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.*