# U2임상알리미 vs 딸깍

The clearest difference is in-app purchases: U2임상알리미 at none against 딸깍's 3. U2임상알리미 also leads on iOS requirement (13.0 vs 16.0). 딸깍's advantage is update cadence (every 3 weeks vs every 50 months). On price, ads and device support there is nothing between them.

Both are free to download. 딸깍 sells 3 in-app purchases, starting at $1.99 per month. U2임상알리미 asks for nothing beyond the download.

U2임상알리미 ships an update every 50 months, 딸깍 every 3 weeks. Both last shipped on October 30, 2026.

## The numbers

| Metric | U2임상알리미 | 딸깍 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.7 (3 ratings)](https://appshunter.io/ios/app/id6670229348/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 50 months | **Every 3 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 21 MB | 45 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 12+ | 4+ |
| Developer | [U2Bio](https://appshunter.io/developer/451676781) | [minseok choi](https://appshunter.io/developer/1764247975) |

## What reviewers say

### U2임상알리미

[App page](https://appshunter.io/ios/app/u2/id1641051954)

**Features:** Vision Pro support

**In-app purchases:** none


### 딸깍

[App page](https://appshunter.io/ios/app/id6670229348)

Organize links, screenshots, and notes effortlessly. Share content directly to the app and save it in custom folders for easy retrieval. AI tagging and powerful search help you find anything, anytime.

**Highlights:** Share links, screenshots, and notes, Save to custom folders, AI tagging for easy search, Search by text and content, Create custom share cards

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 딸깍 플러스 1개월 이용권 | $1.99 | per month |
| 딸깍 플러스 1년 이용권 | $17.99 | per year |
| 딸깍 플러스 1년 이용권 | $19.99 | per year |


## Frequently asked questions

### Is U2임상알리미 free?

U2임상알리미 is free to download, with no in-app purchases.

### Is 딸깍 free?

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

### Do U2임상알리미 or 딸깍 have ads?

Neither U2임상알리미 nor 딸깍 shows ads.

### Which is updated more often, U2임상알리미 or 딸깍?

U2임상알리미 ships an update every 50 months, and 딸깍 every 3 weeks. Most recently, U2임상알리미 was updated on October 30, 2026 and 딸깍 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.*