# UCheck Plus vs 코스모스

The clearest difference is rating: 코스모스 at 4.1 against UCheck Plus's 1.0. 코스모스 also leads on review sentiment (50% vs 17%) and ratings volume (303 vs 2). UCheck Plus's advantage is iOS requirement (12.0 vs 16). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

코스모스 holds the better App Store score, 4.1 against 1.0. That said, the two scores are not equally well evidenced: 코스모스 has 303 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 17% of UCheck Plus's written reviews are positive against 50% of 코스모스's.

UCheck Plus ships an update every 3 weeks, 코스모스 every 2 weeks. The most recent releases landed on October 29, 2026 and November 1, 2026 respectively.

## The numbers

| Metric | UCheck Plus | 코스모스 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (2 ratings)](https://appshunter.io/ios/app/ucheck-plus/id1139582817/reviews) | **[4.1 (303 ratings)](https://appshunter.io/ios/app/id1142523906/reviews)** |
| Number of ratings | 2 | **303** |
| Positive reviews | 17.0% of reviews | **50.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 2 weeks** |
| Monetization | Free | — |
| Size | 24 MB | 122 MB |
| Requires iOS | **12.0** | 16 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Sitin co.,Ltd.](https://appshunter.io/developer/1806224193) | [Ubion](https://appshunter.io/developer/424208544) |

## What reviewers say

### UCheck Plus

[App page](https://appshunter.io/ios/app/ucheck-plus/id1139582817)

This app provides a patented, Bluetooth-based indoor location authentication system for attendance tracking. It offers a native app experience for students and professors, with multilingual support and push notification services for announcements.

**Highlights:** Bluetooth (beacon) based indoor location authentication, Patented attendance check solution, Native app for performance, Multilingual support for foreign users, Push notification service for announcements

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

**In-app purchases:** none


### 코스모스

[App page](https://appshunter.io/ios/app/id1142523906)

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 👍 Generally good app
- 👍 Useful for lectures
- 👍 Works on Samsung

**What reviewers complain about**

- 🐛 Frequent crashes and freezes
- 🐛 Login issues (white screen, not loading)
- 🐛 Video player volume control issues (swipe gesture)
- 🐛 Inconsistent progress tracking for videos
- 🐛 Difficulty downloading/sharing files (especially PDF/PPT on iOS)

**Reported bugs**

- App crashes on startup after update
- App freezes on login screen
- Video player volume changes when screen is touched
- Video playback progress not always recorded correctly
- Cannot download or share PDF/PPT files on iOS after update

**Requested features**

- Fix video player volume control gesture
- Add a separate tab for assignments
- Improve notification system (unread indicators, separate settings for discussion rooms)
- Enable split view/multitasking on iPad
- Add screen zoom/enlarge feature for videos on iPad


## Frequently asked questions

### Is UCheck Plus free?

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

### Is 코스모스 free?

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

### Which has better reviews, UCheck Plus or 코스모스?

코스모스 is rated higher. UCheck Plus averages 1.0 out of 5 from 2 ratings, while 코스모스 averages 4.1 from 303 ratings.

### Do UCheck Plus or 코스모스 have ads?

Neither UCheck Plus nor 코스모스 shows ads.

### Which is updated more often, UCheck Plus or 코스모스?

UCheck Plus ships an update every 3 weeks, and 코스모스 every 2 weeks. Most recently, UCheck Plus was updated on October 29, 2026 and 코스모스 on November 1, 2026.

---

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