# U vs 팩트수사대

The clearest difference is review sentiment: 팩트수사대 at 80% against U's 50%. 팩트수사대 also leads on update cadence (every 3 weeks vs every 4 months). 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, 팩트수사대 every 3 weeks. The most recent releases landed on October 22, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | U | 팩트수사대 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 50.0% of reviews | **80.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 3 weeks** |
| Monetization | Free | — |
| Size | 8 MB | 128 MB |
| Requires iOS | 12.3 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [MIN HO KIM](https://appshunter.io/developer/582570599) | [Community Media Foundation](https://appshunter.io/developer/1616126347) |

## 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


### 팩트수사대

[App page](https://appshunter.io/ios/app/id1660906319)

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

**In-app purchases:** none


## Frequently asked questions

### Is U free?

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

### Is 팩트수사대 free?

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

### Do U or 팩트수사대 have ads?

Neither U nor 팩트수사대 shows ads.

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

U ships an update every 4 months, and 팩트수사대 every 3 weeks. Most recently, U was updated on October 22, 2026 and 팩트수사대 on October 27, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*