# YPT vs 아주대학교 중앙도서관

The clearest difference is review sentiment: YPT at 56% against 아주대학교 중앙도서관's 11%. YPT also leads on update cadence (every 2 days vs every 2 months) and ratings volume (1.7K vs 1). 아주대학교 중앙도서관's advantage is in-app purchases (none vs 8) and rating (5.0 vs 4.7). On price, ads and iOS requirement there is nothing between them.

Both are free to download. YPT sells 8 in-app purchases, starting at $2.99 per month. 아주대학교 중앙도서관 asks for nothing beyond the download.

아주대학교 중앙도서관 holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: YPT has 1.7K ratings behind it against 1, so its average is the more settled of the two. Written reviews complicate that: 56% of YPT's written reviews are positive against 11% of 아주대학교 중앙도서관's, so the app with the better star average is not the one people write more warmly about.

YPT ships an update every 2 days, 아주대학교 중앙도서관 every 2 months. The most recent releases landed on September 26, 2026 and June 11, 2026 respectively.

## The numbers

| Metric | YPT | 아주대학교 중앙도서관 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (1.7K ratings)](https://appshunter.io/ios/app/ypt-study-group/id1441909643/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/id1502374113/reviews)** |
| Number of ratings | **1.7K** | 1 |
| Positive reviews | **55.7% of reviews** | 11.1% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 2 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 266 MB | 6 MB |
| Requires iOS | 15.0 | **14.0** |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [UnCheon Baek](https://appshunter.io/developer/1143037815) | [Ajou University](https://appshunter.io/developer/432294328) |

## What reviewers say

### YPT

[App page](https://appshunter.io/ios/app/ypt-study-group/id1441909643)

Connect with millions globally to study together remotely. Track your progress, set daily goals, and join or create study groups. Visualize your achievements with detailed statistics and compete with others through real-time rankings.

**Highlights:** Time tracking for subjects, Daily 10-minute planner, Study group creation, Real-time ranking, Study statistics visualization, Friend activity monitoring

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly subscription | $2.99 | per month |
| Monthly Premium | $4.99 | per month |
| Yearly Premium | $29.99 | per year |
| 100 flames | $0.99 | one-time |
| Unlock Apps | $0.99 | one-time |
| 600 flames | $3.99 | one-time |
| 6 months | $11.99 | one-time |
| 12months | $19.99 | one-time |

**What reviewers like**

- 🚀 Motivating and competitive
- 👍 Comprehensive features (timer, planner, study groups)
- 🎨 Customizable themes and aesthetics
- 🔊 Helpful background noise options

**What reviewers complain about**

- 🐛 Bugs and glitches (freezing, crashing, time recording issues)
- ⏱️ Time zone issues for users outside of Korea
- 🔒 Restricted app access during study sessions

**Reported bugs**

- Timer not stopping when exiting the app
- Inconsistent time recording across devices
- Sudden language changes without user input
- Connectivity issues and server problems

**Requested features**

- Add ability to edit/remove specific study time entries
- Implement a desktop/web version of the app
- Allow more customization options for the calendar and planner
- Improve the allowed apps feature to work more reliably


### 아주대학교 중앙도서관

[App page](https://appshunter.io/ios/app/id1502374113)

Access the university library's collection, reserve books, and stay updated on announcements. Find information on library services, facilities, and educational schedules. Request new materials and explore resources for research and learning.

**Highlights:** Search library collection, Reserve borrowed books, View library announcements, Access library services and facilities, Request material purchases, View educational schedules

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is YPT free?

YPT is free to download, with in-app purchases available.

### Is 아주대학교 중앙도서관 free?

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

### Which has better reviews, YPT or 아주대학교 중앙도서관?

아주대학교 중앙도서관 is rated higher. YPT averages 4.7 out of 5 from 1.7K ratings, while 아주대학교 중앙도서관 averages 5.0 from 1 ratings.

### Do YPT or 아주대학교 중앙도서관 have ads?

Neither YPT nor 아주대학교 중앙도서관 shows ads.

### Which is updated more often, YPT or 아주대학교 중앙도서관?

YPT ships an update every 2 days, and 아주대학교 중앙도서관 every 2 months. Most recently, YPT was updated on September 26, 2026 and 아주대학교 중앙도서관 on June 11, 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.*