# HOC247 vs Onluyen

The clearest difference is review sentiment: HOC247 at 100% against Onluyen's 19%. HOC247 also leads on rating (4.6 vs 2.9) and in-app purchases (none vs 5). Onluyen's advantage is ads (none vs shown). On price, ratings volume, update cadence and device support there is nothing between them.

Both are free to download. Onluyen sells 5 in-app purchases, starting at $4.49 per month. HOC247 asks for nothing beyond the download.

HOC247 holds the better App Store score, 4.6 against 2.9. Both are backed by a comparable volume of ratings — 71 and 210 respectively. Written reviews point the same way: 100% of HOC247's written reviews are positive against 19% of Onluyen's.

HOC247 ships an update every 3 weeks, Onluyen every 11 days. The most recent releases landed on September 17, 2026 and September 26, 2026 respectively.

## The numbers

| Metric | HOC247 | Onluyen |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (71 ratings)](https://appshunter.io/ios/app/hoc247/id1286587238/reviews)** | [2.9 (210 ratings)](https://appshunter.io/ios/app/onluyen/id1506873010/reviews) |
| Number of ratings | 71 | **210** |
| Positive reviews | **100.0% of reviews** | 18.8% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 3 weeks | **Every 11 days** |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 65 MB | 54 MB |
| Requires iOS | **12.0** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [Nguyen Ha](https://appshunter.io/developer/1286587237) | [Edmicro](https://appshunter.io/developer/1506873009) |

## What reviewers say

### HOC247

[App page](https://appshunter.io/ios/app/hoc247/id1286587238)

This app provides comprehensive online learning resources for K12 students, including textbook and workbook solutions, AI-powered photo-to-answer functionality, and a vast library of practice tests. It covers all major subjects from grades 6-12 and offers offline access to study materials.

**Highlights:** Textbook and workbook solutions, AI-powered photo homework solver, Extensive online practice tests, Offline access to study materials, Over 18 learning utility tools, Community Q&A for homework help

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is HOC247 free?

HOC247 is free to download, with no in-app purchases.

### Is Onluyen free?

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

### Which has better reviews, HOC247 or Onluyen?

HOC247 is rated higher. HOC247 averages 4.6 out of 5 from 71 ratings, while Onluyen averages 2.9 from 210 ratings.

### Do HOC247 or Onluyen have ads?

HOC247 shows ads; Onluyen does not.

### Which is updated more often, HOC247 or Onluyen?

HOC247 ships an update every 3 weeks, and Onluyen every 11 days. Most recently, HOC247 was updated on September 17, 2026 and Onluyen on September 26, 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.*