# UCheck Plus Professor vs U

The clearest difference is update cadence: UCheck Plus Professor at every 3 weeks against U's 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.

UCheck Plus Professor ships an update every 3 weeks, U every 4 months. The most recent releases landed on October 24, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | UCheck Plus Professor | U |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 4 months |
| Monetization | Free | — |
| Size | 14 MB | 7 MB |
| Requires iOS | **11** | 12.3 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Sitin co.,Ltd.](https://appshunter.io/developer/1806224193) | [MIN HO KIM](https://appshunter.io/developer/582570599) |

## What reviewers say

### UCheck Plus Professor

[App page](https://appshunter.io/ios/app/ucheck-plus-professor/id1140480880)

This app provides a patented Bluetooth-based indoor location authentication system for attendance tracking. It offers a hybrid app experience for professors, mirroring the PC version's interface for ease of use. Multilingual support is available for both students and professors.

**Highlights:** Bluetooth-based indoor location authentication, Patented attendance system, Hybrid app for professors, Web-based system synchronization, Multilingual support, Push notification service

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

**In-app purchases:** none


### U

[App page](https://appshunter.io/ios/app/u-classtblstudent/id1485687049)

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

**In-app purchases:** none


## Frequently asked questions

### Is UCheck Plus Professor free?

UCheck Plus Professor is free to download, with no in-app purchases.

### Is U free?

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

### Do UCheck Plus Professor or U have ads?

Neither UCheck Plus Professor nor U shows ads.

### Which is updated more often, UCheck Plus Professor or U?

UCheck Plus Professor ships an update every 3 weeks, and U every 4 months. Most recently, UCheck Plus Professor was updated on October 24, 2026 and U 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.*