# 클래스연구소 vs 오렌지스쿨

The clearest difference is ads: 오렌지스쿨 at none against 클래스연구소's shown. 클래스연구소's advantage is update cadence (daily vs weekly) and iOS requirement (11.0 vs 13.0). On price, 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.

클래스연구소 ships an update daily, 오렌지스쿨 weekly. The most recent releases landed on October 10, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | 클래스연구소 | 오렌지스쿨 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 11.1% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Daily** | Weekly |
| Monetization | Ad-supported | — |
| Size | 15 MB | 138 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Jung Nam Choi](https://appshunter.io/developer/1659803857) | [Hyunhye Kim](https://appshunter.io/developer/1723299800) |

## What reviewers say

### 클래스연구소

[App page](https://appshunter.io/ios/app/id1659803855)

Manage student attendance, payments, and receive important announcements from educational institutions. Stay updated on school news and individual notices for a streamlined communication experience.

**Highlights:** Attendance tracking, Payment information, Notices and announcements, Real-time notifications, Individual and group messages

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

**In-app purchases:** none


### 오렌지스쿨

[App page](https://appshunter.io/ios/app/id6475079694)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 클래스연구소 free?

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

### Is 오렌지스쿨 free?

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

### Do 클래스연구소 or 오렌지스쿨 have ads?

클래스연구소 shows ads; 오렌지스쿨 does not.

### Which is updated more often, 클래스연구소 or 오렌지스쿨?

클래스연구소 ships an update daily, and 오렌지스쿨 weekly. Most recently, 클래스연구소 was updated on October 10, 2026 and 오렌지스쿨 on October 27, 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.*