# Luna diary vs YouIn

The clearest difference is ads: YouIn at none against Luna diary's shown. On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. Luna diary sells 3 in-app purchases, starting at $1.99 per month and YouIn sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Luna diary ships an update every 9 days, YouIn every 2 weeks. The most recent releases landed on October 30, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Luna diary | YouIn |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (95 ratings)](https://appshunter.io/ios/app/luna-diary/id1536708339/reviews)** | — |
| Number of ratings | **95** | — |
| Positive reviews | 64.5% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 9 days** | Every 2 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 104 MB | 21 MB |
| Requires iOS | 16 | **15.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Cachalot](https://appshunter.io/developer/1536708341) | [Wakana Yoshimura](https://appshunter.io/developer/6789502670) |

## What reviewers say

### Luna diary

[App page](https://appshunter.io/ios/app/luna-diary/id1536708339)

Record your thoughts and emotions alongside moon phases to foster self-awareness. This app offers a calming sanctuary for daily reflections, gratitude journaling, and mood tracking with customizable themes and visual growth tracking.

**Highlights:** Mood tracking with moon phases, Gratitude journaling, Customizable themes, Visual emotional growth tracking, Motivational Glass Cards, Monthly insights and reflection, Secure passcode lock

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly subscription | $1.99 | per month |
| Annual subscription | $8.99 | per year |
| Premium | $2.99 | one-time |


### YouIn

[App page](https://appshunter.io/ios/app/youin/id6789502925)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| YouInチケット 3枚 | $1.99 | one-time |
| YouInチケット 6枚 | $2.99 | one-time |


## Frequently asked questions

### Is Luna diary free?

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

### Is YouIn free?

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

### Do Luna diary or YouIn have ads?

Luna diary shows ads; YouIn does not.

### Which is updated more often, Luna diary or YouIn?

Luna diary ships an update every 9 days, and YouIn every 2 weeks. Most recently, Luna diary was updated on October 30, 2026 and YouIn 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.*