# JBLMS vs 클래스유

The clearest difference is review sentiment: 클래스유 at 86% against JBLMS's 0%. 클래스유 also leads on ads (none vs shown) and update cadence (every 4 days vs every 3 months). JBLMS's advantage is in-app purchases (none vs 2) and iOS requirement (12.0 vs 15.0). On price and device support there is nothing between them.

Both are free to download. 클래스유 sells 2 one-off in-app purchases. JBLMS asks for nothing beyond the download.

JBLMS ships an update every 3 months, 클래스유 every 4 days. The most recent releases landed on June 1, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | JBLMS | 클래스유 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.6 (27 ratings)](https://appshunter.io/ios/app/id1464482964/reviews)** |
| Number of ratings | — | **27** |
| Positive reviews | 0.0% of reviews | **86.4% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | **Every 4 days** |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 15 MB | 157 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Knowledge-Tech. Co.](https://appshunter.io/developer/1231338878) | [MINSOO SHIN](https://appshunter.io/developer/1089441440) |

## What reviewers say

### JBLMS

[App page](https://appshunter.io/ios/app/jblms/id1235361703)

This app serves as a lecture portal for flipped learning, offering group social networking features, diverse file uploads, member browsing, and robust search capabilities. It also includes attendance tracking and information collection tools to enhance the learning experience.

**Highlights:** Group social networking, Diverse file uploads, Group member browsing, Comprehensive search, Attendance tracking, Information collection

**Features:** macOS Compatibility

**In-app purchases:** none


### 클래스유

[App page](https://appshunter.io/ios/app/id1464482964)

Discover and share your expertise through online classes. Learn new skills from experts or teach your own, with interactive features to enhance the learning experience. Enjoy unlimited access to a wide variety of courses anytime, anywhere.

**Highlights:** Discover diverse online classes, Learn from expert creators, Share your own expertise, Interactive learning with peers, Unlimited course access, Earn additional income

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1달정액권 49000원 | $34.99 | one-time |
| 1:1 프리미엄 서비스 99000원 | $64.99 | one-time |


## Frequently asked questions

### Is JBLMS free?

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

### Is 클래스유 free?

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

### Do JBLMS or 클래스유 have ads?

JBLMS shows ads; 클래스유 does not.

### Which is updated more often, JBLMS or 클래스유?

JBLMS ships an update every 3 months, and 클래스유 every 4 days. Most recently, JBLMS was updated on June 1, 2026 and 클래스유 on September 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.*