# 하이클래스 vs April Buff

The clearest difference is ads: April Buff at none against 하이클래스's shown. April Buff also leads on iOS requirement (12.0 vs 15.5). 하이클래스's advantage is update cadence (weekly vs every 5 weeks) and ratings volume (397 vs 7). On price, rating, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 4.7 for 하이클래스 against 4.6 for April Buff. That said, the two scores are not equally well evidenced: 하이클래스 has 397 ratings behind it against 7, so its average is the more settled of the two. Written reviews are what separate them: 94% of 하이클래스's written reviews are positive against 72% of April Buff's.

하이클래스 ships an update weekly, April Buff every 5 weeks. The most recent releases landed on October 30, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | 하이클래스 | April Buff |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (397 ratings)](https://appshunter.io/ios/app/id1472488819/reviews)** | [4.6 (7 ratings)](https://appshunter.io/ios/app/april-buff/id1498580532/reviews) |
| Number of ratings | **397** | 7 |
| Positive reviews | **93.8% of reviews** | 72.4% of reviews |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Weekly** | Every 5 weeks |
| Monetization | — | Free |
| Size | 215 MB | 208 MB |
| Requires iOS | 15.5 | **12.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [i-Scream Media CO.,LTD.](https://appshunter.io/developer/389322823) | [CREVERSE, Inc.](https://appshunter.io/developer/739652504) |

## What reviewers say

### 하이클래스

[App page](https://appshunter.io/ios/app/id1472488819)

The application is a smart classroom communication app that provides convenient features like easy registration, notification management, real-time communication, and comprehensive record-keeping for teachers and parents. It aims to streamline communication, protect privacy, and offer a wide range of educational information to enhance the learning experience.

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

**In-app purchases:** none


### April Buff

[App page](https://appshunter.io/ios/app/april-buff/id1498580532)

This app uses augmented reality to make learning English vocabulary fun for elementary students. It offers interactive games, quizzes, and progress tracking linked to a specific curriculum. Users can collect word cards and compete nationally.

**Highlights:** AR-based vocabulary study, Interactive games and quizzes, Collect word and chunk cards, National ranking system, Scan textbook to start games, Linked to Learning Portal

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is 하이클래스 free?

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

### Is April Buff free?

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

### Which has better reviews, 하이클래스 or April Buff?

하이클래스 is rated higher. 하이클래스 averages 4.7 out of 5 from 397 ratings, while April Buff averages 4.6 from 7 ratings.

### Do 하이클래스 or April Buff have ads?

하이클래스 shows ads; April Buff does not.

### Which is updated more often, 하이클래스 or April Buff?

하이클래스 ships an update weekly, and April Buff every 5 weeks. Most recently, 하이클래스 was updated on October 30, 2026 and April Buff on October 29, 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.*