# U vs 캠퍼스락

The clearest difference is update cadence: 캠퍼스락 at monthly against U's every 4 months. 캠퍼스락 also leads on review sentiment (67% vs 50%). On price, ads, 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.

U ships an update every 4 months, 캠퍼스락 monthly. The most recent releases landed on September 10, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | U | 캠퍼스락 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/id6547844693/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 50.0% of reviews | **66.7% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Monthly** |
| Monetization | Free | — |
| Size | 8 MB | 50 MB |
| Requires iOS | **12.3** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPod, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [MIN HO KIM](https://appshunter.io/developer/582570599) | [BNK System](https://appshunter.io/developer/1757561115) |

## What reviewers say

### U

[App page](https://appshunter.io/ios/app/u-class-student/id1472703543)

This app allows teachers to monitor student devices in real-time, share their PC screen, and facilitate file transfers. It also includes annotation tools and group management features for collaborative learning.

**Highlights:** Real-time student device monitoring, Teacher PC screen sharing, File transfer between students and teachers, Annotation and whiteboard functionality, Student group management, Remote control of student devices

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

**In-app purchases:** none


### 캠퍼스락

[App page](https://appshunter.io/ios/app/id6547844693)

**Features:** Apple Wallet, Apple Watch app

**In-app purchases:** none


## Frequently asked questions

### Is U free?

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

### Is 캠퍼스락 free?

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

### Do U or 캠퍼스락 have ads?

Neither U nor 캠퍼스락 shows ads.

### Which is updated more often, U or 캠퍼스락?

U ships an update every 4 months, and 캠퍼스락 monthly. Most recently, U was updated on September 10, 2026 and 캠퍼스락 on September 21, 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.*