# Onluyen vs ICORRECTVN

The clearest difference is in-app purchases: ICORRECTVN at none against Onluyen's 5. ICORRECTVN also leads on iOS requirement (12.0 vs 15.1). Onluyen's advantage is device support. On price there is nothing between them.

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

## The numbers

| Metric | Onluyen | ICORRECTVN |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.9 (218 ratings)](https://appshunter.io/ios/app/onluyen/id1506873010/reviews)** | — |
| Number of ratings | **218** | — |
| Positive reviews | 18.6% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | — |
| Update frequency | Every 11 days | — |
| Monetization | Free with in-app purchases | — |
| Size | 54 MB | 44 MB |
| Requires iOS | 15.1 | **12.0** |
| Devices | **iPhone, iPad, iPod** | — |
| Age rating | 12+ | 4+ |
| Developer | [Edmicro](https://appshunter.io/developer/1506873009) | [CSUPPORTER JOINT STOCK COMPANY](https://appshunter.io/developer/1316406987) |

## 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 |


### ICORRECTVN

[App page](https://appshunter.io/ios/app/icorrectvn/id6468097624)

**In-app purchases:** none


## Frequently asked questions

### Is Onluyen free?

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

### Is ICORRECTVN free?

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

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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.*