# 숭실대학교 도서관 vs YPT

The clearest difference is review sentiment: YPT at 56% against 숭실대학교 도서관's 20%. YPT also leads on update cadence (every 2 days vs every 10 months) and device support (4 vs 2). 숭실대학교 도서관's advantage is in-app purchases (none vs 8). 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. 숭실대학교 도서관 asks for nothing beyond the download.

숭실대학교 도서관 ships an update every 10 months, YPT every 2 days. The most recent releases landed on August 15, 2026 and September 26, 2026 respectively.

## The numbers

| Metric | 숭실대학교 도서관 | YPT |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.7 (1.7K ratings)](https://appshunter.io/ios/app/ypt-study-group/id1441909643/reviews)** |
| Number of ratings | — | **1.7K** |
| Positive reviews | 20.0% of reviews | **55.7% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 10 months | **Every 2 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 6 MB | 266 MB |
| Requires iOS | **14.4** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [INEK corp.](https://appshunter.io/developer/494214129) | [UnCheon Baek](https://appshunter.io/developer/1143037815) |

## What reviewers say

### 숭실대학교 도서관

[App page](https://appshunter.io/ios/app/id603437649)

Access the university library's integrated search to find and reserve books. Explore collections, access research support services, and manage your library account, including loan history and renewal requests. The app also provides library information and directions.

**Highlights:** Integrated library material search, Book reservation and renewal, Research and learning support services, Collection browsing (new, popular, major-specific), Library usage information and room booking, Personalized 'My Library' account management

**Features:** Vision Pro support

**In-app purchases:** none


### 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


## Frequently asked questions

### Is 숭실대학교 도서관 free?

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

### Is YPT free?

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

### Do 숭실대학교 도서관 or YPT have ads?

Neither 숭실대학교 도서관 nor YPT shows ads.

### Which is updated more often, 숭실대학교 도서관 or YPT?

숭실대학교 도서관 ships an update every 10 months, and YPT every 2 days. Most recently, 숭실대학교 도서관 was updated on August 15, 2026 and YPT on September 26, 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.*