# U1대학교 도서관 vs 똑패스 Pro

The clearest difference is update cadence: U1대학교 도서관 at every 3 weeks against 똑패스 Pro's every 2 months. U1대학교 도서관 also leads on iOS requirement (7.1 vs 14.0). 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.

U1대학교 도서관 ships an update every 3 weeks, 똑패스 Pro every 2 months. The most recent releases landed on October 26, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | U1대학교 도서관 | 똑패스 Pro |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Size | 26 MB | 390 MB |
| Requires iOS | **7.1** | 14.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [LibTech Co.](https://appshunter.io/developer/1099043485) | [WON JOON Noh](https://appshunter.io/developer/1885172830) |

## What reviewers say

### U1대학교 도서관

[App page](https://appshunter.io/ios/app/u1/id530442324)

**In-app purchases:** none


### 똑패스 Pro

[App page](https://appshunter.io/ios/app/pro/id6782593811)

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

**In-app purchases:** none


## Frequently asked questions

### Is U1대학교 도서관 free?

U1대학교 도서관 is free to download, with no in-app purchases.

### Is 똑패스 Pro free?

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

### Do U1대학교 도서관 or 똑패스 Pro have ads?

Neither U1대학교 도서관 nor 똑패스 Pro shows ads.

### Which is updated more often, U1대학교 도서관 or 똑패스 Pro?

U1대학교 도서관 ships an update every 3 weeks, and 똑패스 Pro every 2 months. Most recently, U1대학교 도서관 was updated on October 26, 2026 and 똑패스 Pro on October 25, 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.*