# Onluyen vs VMU LIB

The clearest difference is rating: Onluyen at 2.9 against VMU LIB's 1.0. Onluyen also leads on ratings volume (231 vs 3) and update cadence (every 11 days vs monthly). VMU LIB's advantage is in-app purchases (none vs 5). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Onluyen sells 5 in-app purchases, starting at $4.49 per month. VMU LIB asks for nothing beyond the download.

Onluyen holds the better App Store score, 2.9 against 1.0. That said, the two scores are not equally well evidenced: Onluyen has 231 ratings behind it against 3, so its average is the more settled of the two.

Onluyen ships an update every 11 days, VMU LIB monthly. The most recent releases landed on October 24, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | Onluyen | VMU LIB |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.9 (231 ratings)](https://appshunter.io/ios/app/onluyen/id1506873010/reviews)** | [1.0 (3 ratings)](https://appshunter.io/ios/app/vmu-lib/id6686406579/reviews) |
| Number of ratings | **231** | 3 |
| Positive reviews | 18.6% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 11 days** | Monthly |
| Monetization | Free with in-app purchases | **Free** |
| Size | 58 MB | 53 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 17+ |
| Developer | [EDMICRO EDUCATION COMPANY LIMITED](https://appshunter.io/developer/1506873009) | [Khang Tran](https://appshunter.io/developer/1709458766) |

## What reviewers say

### Onluyen

[App page](https://appshunter.io/ios/app/onluyen/id1506873010)

This app offers personalized practice and testing for Vietnamese high school students across all subjects. It features a vast question bank, video explanations, and progress tracking to aid in exam preparation and academic improvement.

**Highlights:** Personalized practice by knowledge unit, Over 120,000 questions with detailed solutions, Video lectures and explanations for questions, Practice tests for 45-minute, semester, and national exams, Thousands of randomly generated and curated tests, Progress tracking and detailed performance reports, Bookmark difficult questions and ask for help

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Onluyen - 30 days | $4.49 | per month |
| Onluyen 1 month | $4.99 | per month |
| Onluyen - 6 month | $21.99 | per 6 months |
| Onluyen - 1 year | $39.99 | per year |
| Onluyen 1 năm | $59.99 | per year |


### VMU LIB

[App page](https://appshunter.io/ios/app/vmu-lib/id6686406579)

This application enhances the reading experience by allowing users to easily look up documents, check book loan status, renew loans, and receive notifications about library events. It also provides quick access to digital resources and research articles to optimize learning and research.

**Highlights:** Document lookup, Loan status check, Loan renewal, Event notifications, Digital resource access, Research article access

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

**In-app purchases:** none


## Frequently asked questions

### Is Onluyen free?

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

### Is VMU LIB free?

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

### Which has better reviews, Onluyen or VMU LIB?

Onluyen is rated higher. Onluyen averages 2.9 out of 5 from 231 ratings, while VMU LIB averages 1.0 from 3 ratings.

### Do Onluyen or VMU LIB have ads?

Neither Onluyen nor VMU LIB shows ads.

### Which is updated more often, Onluyen or VMU LIB?

Onluyen ships an update every 11 days, and VMU LIB monthly. Most recently, Onluyen was updated on October 24, 2026 and VMU LIB 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.*