# KnowMe (Simple Diary App) vs skkoo

The clearest difference is in-app purchases: KnowMe (Simple Diary App) at none against skkoo's 10. KnowMe (Simple Diary App) also leads on iOS requirement (13.0 vs 16.4). skkoo's advantage is update cadence (daily vs every 4 weeks). On price, ads and device support there is nothing between them.

Both are free to download. skkoo sells 10 one-off in-app purchases. KnowMe (Simple Diary App) asks for nothing beyond the download.

KnowMe (Simple Diary App) ships an update every 4 weeks, skkoo daily. The most recent releases landed on October 25, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | KnowMe (Simple Diary App) | skkoo |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 weeks | **Daily** |
| Size | 65 MB | 56 MB |
| Requires iOS | **13.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Hojun Choi](https://appshunter.io/developer/1878642744) | [SAME STUDIO](https://appshunter.io/developer/1887203310) |

## 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


### skkoo

[App page](https://appshunter.io/ios/app/skkoo/id6791977588)

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pixel Town | $0.49 | one-time |
| Pixel Town Vol.2 | $0.49 | one-time |
| Take It Easy | $0.49 | one-time |
| The Pig's Day | $0.49 | one-time |
| The Pig's Day Vol.2 | $0.49 | one-time |
| The Rabbit's Day | $0.49 | one-time |
| Tiny Deco Vol.2 | $0.49 | one-time |
| The Rabbit's Day Vol.2 | $0.49 | one-time |
| Tiny Deco | $0.49 | one-time |
| Vintage Life | $0.49 | one-time |


## Frequently asked questions

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

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

### Is skkoo free?

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

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

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

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

KnowMe (Simple Diary App) ships an update every 4 weeks, and skkoo daily. Most recently, KnowMe (Simple Diary App) was updated on October 25, 2026 and skkoo on October 31, 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.*