# U vs HalluProof

The clearest difference is update cadence: HalluProof at every 2 weeks against U's every 4 months. U's advantage is iOS requirement (12.3 vs 18.0). 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, HalluProof every 2 weeks. The most recent releases landed on October 22, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | U | HalluProof |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 weeks** |
| Monetization | Free | — |
| Size | 8 MB | 7 MB |
| Requires iOS | **12.3** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [MIN HO KIM](https://appshunter.io/developer/582570599) | [Hyun-Su Kim](https://appshunter.io/developer/922728750) |

## 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


### HalluProof

[App page](https://appshunter.io/ios/app/halluproof-spot-ai-errors/id6759915721)

**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 HalluProof free?

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

### Do U or HalluProof have ads?

Neither U nor HalluProof shows ads.

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

U ships an update every 4 months, and HalluProof every 2 weeks. Most recently, U was updated on October 22, 2026 and HalluProof on October 30, 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.*