# Polyidiom vs 小羊输入法

The clearest difference is review sentiment: Polyidiom at 100% against 小羊输入法's 0%. Polyidiom also leads on update cadence (every 3 days vs every 3 weeks). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Polyidiom sells 3 in-app purchases, starting at $1.99 per month and 小羊输入法 sells 3 in-app purchases, starting at $0.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Polyidiom ships an update every 3 days, 小羊输入法 every 3 weeks. Both last shipped on October 8, 2026.

## The numbers

| Metric | Polyidiom | 小羊输入法 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/polyidiom-learn-idiomslang/id6746371097/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | **100.0% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 3 weeks |
| Monetization | Freemium | Free with in-app purchases |
| Size | 43 MB | 11 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [亲强 吴](https://appshunter.io/developer/1700348139) | [凡滨 林](https://appshunter.io/developer/1826611654) |

## What reviewers say

### 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 |


### 小羊输入法

[App page](https://appshunter.io/ios/app/ai/id6758269317)

This AI-powered keyboard helps improve English writing by correcting grammar, spelling, and awkward phrasing. It offers a streamlined approach to enhancing fluency and confidence in written English, making it faster than other apps.

**Highlights:** AI-powered English correction, Grammar and spelling checks, Improves phrasing and fluency, Streamlined writing enhancement, User-friendly keyboard interface

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 小羊输入法-周订阅 | $0.99 | per 7 days |
| 小羊输入法-月订阅 | $1.99 | per month |
| 周订阅 | $1.99 | per month |


## Frequently asked questions

### Is Polyidiom free?

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

### Is 小羊输入法 free?

小羊输入法 is free to download, with in-app purchases available.

### Do Polyidiom or 小羊输入法 have ads?

Neither Polyidiom nor 小羊输入法 shows ads.

### Which is updated more often, Polyidiom or 小羊输入法?

Polyidiom ships an update every 3 days, and 小羊输入法 every 3 weeks. Most recently, Polyidiom was updated on October 8, 2026 and 小羊输入法 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.*