# LibUEF vs ZIM Helper

The clearest difference is in-app purchases: LibUEF at none against ZIM Helper's 5. LibUEF also leads on iOS requirement (13 vs 15.6). ZIM Helper's advantage is update cadence (every 10 days vs monthly). On price, ads and device support there is nothing between them.

Both are free to download. ZIM Helper sells 5 in-app purchases, starting at $7.99 per month. LibUEF asks for nothing beyond the download.

LibUEF ships an update monthly, ZIM Helper every 10 days. The most recent releases landed on October 14, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | LibUEF | ZIM Helper |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/zim-helper/id1633566738/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 10 days** |
| Monetization | — | Free with in-app purchases |
| Size | 24 MB | 87 MB |
| Requires iOS | **13** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Pyramid Software and Consulting Company Limited](https://appshunter.io/developer/885416042) | [Eduvator Joint Stock Company](https://appshunter.io/developer/1633566740) |

## What reviewers say

### LibUEF

[App page](https://appshunter.io/ios/app/libuef/id1632341797)

**Features:** macOS Compatibility

**In-app purchases:** none


### ZIM Helper

[App page](https://appshunter.io/ios/app/zim-helper/id1633566738)

This learning support tool offers flashcards, AI-powered speaking practice, and IELTS writing feedback. Access a free ebook library, weekly updated materials, and a Q&A forum for students and teachers.

**Highlights:** Smart flashcards for vocabulary, AI-powered English speaking practice, IELTS writing feedback tool, Study schedule tracking, Free IELTS ebook library, Weekly updated learning materials, Student and teacher Q&A forum

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Gói tháng | $7.99 | per month |
| Gói năm | $39.99 | per year |
| Standard | $3.99 | one-time |
| Good Choice | $12.99 | one-time |
| Try Hard | $24.99 | one-time |


## Frequently asked questions

### Is LibUEF free?

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

### Is ZIM Helper free?

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

### Do LibUEF or ZIM Helper have ads?

Neither LibUEF nor ZIM Helper shows ads.

### Which is updated more often, LibUEF or ZIM Helper?

LibUEF ships an update monthly, and ZIM Helper every 10 days. Most recently, LibUEF was updated on October 14, 2026 and ZIM Helper on October 22, 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.*