# ZIM Work vs PolyPi AI

The clearest difference is in-app purchases: ZIM Work at none against PolyPi AI's 3. PolyPi AI's advantage is iOS requirement (12.0 vs 15.6). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. PolyPi AI sells 3 one-off in-app purchases. ZIM Work asks for nothing beyond the download.

ZIM Work ships an update every 5 days, PolyPi AI every 3 days. The most recent releases landed on October 6, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | ZIM Work | PolyPi AI |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 60.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 days | **Every 3 days** |
| Monetization | — | Free with in-app purchases |
| Size | 105 MB | 159 MB |
| Requires iOS | 15.6 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Eduvator Joint Stock Company](https://appshunter.io/developer/1633566740) | [NGO XUAN DAI](https://appshunter.io/developer/1445334529) |

## What reviewers say

### ZIM Work

[App page](https://appshunter.io/ios/app/zim-work/id6448983041)

**Features:** Vision Pro support

**In-app purchases:** none


### PolyPi AI

[App page](https://appshunter.io/ios/app/polypi-ai/id6468901370)

Prepare for TOEIC and IELTS exams with an AI-powered English learning assistant. Practice speaking and writing, receive grammar corrections, and get personalized lesson recommendations based on your performance. Optimize your learning journey with accurate scoring and in-depth analysis.

**Highlights:** AI-powered exam preparation, Speaking and writing practice, Grammar correction and suggestions, Automatic translation, Scored practice sessions, Personalized lesson recommendations, Unlimited essay grading

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Gói Point | $29.99 | one-time |
| Gói 3 tháng | $29.99 | one-time |
| Gói 6 tháng | $49.99 | one-time |


## Frequently asked questions

### Is ZIM Work free?

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

### Is PolyPi AI free?

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

### Do ZIM Work or PolyPi AI have ads?

Neither ZIM Work nor PolyPi AI shows ads.

### Which is updated more often, ZIM Work or PolyPi AI?

ZIM Work ships an update every 5 days, and PolyPi AI every 3 days. Most recently, ZIM Work was updated on October 6, 2026 and PolyPi AI on October 2, 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.*