# KnowMe (Simple Diary App) vs 루나리스

The clearest difference is in-app purchases: KnowMe (Simple Diary App) at none against 루나리스's 8. KnowMe (Simple Diary App) also leads on iOS requirement (13.0 vs 15). 루나리스's advantage is update cadence (every 8 days vs every 4 weeks). On price, ads and device support there is nothing between them.

Both are free to download. 루나리스 sells 8 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, 루나리스 every 8 days. The most recent releases landed on October 25, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | KnowMe (Simple Diary App) | 루나리스 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[1.0 (1 ratings)](https://appshunter.io/ios/app/id6760335192/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 94.3% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 weeks | **Every 8 days** |
| Size | 65 MB | 196 MB |
| Requires iOS | **13.0** | 15 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Hojun Choi](https://appshunter.io/developer/1878642744) | [SCIFATE PTE. LTD.](https://appshunter.io/developer/1596850930) |

## 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


### 루나리스

[App page](https://appshunter.io/ios/app/id6760335192)

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 신규 회원 웰컴 패키지 | $0.99 | one-time |
| 3,000 포인트 | $1.99 | one-time |
| 9,000 포인트 | $5.99 | one-time |
| 12,000 포인트 | $7.99 | one-time |
| 30,000 포인트 | $19.99 | one-time |
| 60,000 포인트 | $38.99 | one-time |
| 150,000 포인트 | $99.99 | one-time |
| 300,000 포인트 | $198.99 | 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 루나리스 free?

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

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

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

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

KnowMe (Simple Diary App) ships an update every 4 weeks, and 루나리스 every 8 days. Most recently, KnowMe (Simple Diary App) was updated on October 25, 2026 and 루나리스 on October 28, 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.*