# KnowMe (Simple Diary App) vs 깜빡

The clearest difference is update cadence: 깜빡 at every 4 days against KnowMe (Simple Diary App)'s every 4 weeks. KnowMe (Simple Diary App)'s advantage is device support (3 vs 1) and iOS requirement (13.0 vs 26.0). On price, 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.

KnowMe (Simple Diary App) ships an update every 4 weeks, 깜빡 every 4 days. The most recent releases landed on November 9, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | KnowMe (Simple Diary App) | 깜빡 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 weeks | **Every 4 days** |
| Size | 65 MB | 7 MB |
| Requires iOS | **13.0** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Hojun Choi](https://appshunter.io/developer/1878642744) | [Wooyoung Kim](https://appshunter.io/developer/1879266816) |

## What reviewers say

### KnowMe (Simple Diary App)

[App page](https://appshunter.io/ios/app/knowme-simple-diary-app/id6759447208)

**Features:** macOS Compatibility

**In-app purchases:** none


### 깜빡

[App page](https://appshunter.io/ios/app/id6761684188)

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

**In-app purchases:** none


## Frequently asked questions

### Is KnowMe (Simple Diary App) free?

KnowMe (Simple Diary App) is free to download, with no in-app purchases.

### Is 깜빡 free?

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

### Do KnowMe (Simple Diary App) or 깜빡 have ads?

Neither KnowMe (Simple Diary App) nor 깜빡 shows ads.

### Which is updated more often, KnowMe (Simple Diary App) or 깜빡?

KnowMe (Simple Diary App) ships an update every 4 weeks, and 깜빡 every 4 days. Most recently, KnowMe (Simple Diary App) was updated on November 9, 2026 and 깜빡 on November 6, 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.*