# Diary! SmartDiary vs kuroneko clock

The clearest difference is iOS requirement: kuroneko clock at 12.0 against Diary! SmartDiary's 15.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Diary! SmartDiary sells 1 one-off in-app purchase and kuroneko clock sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Both ship on a similar rhythm, roughly every 3 months. The most recent releases landed on October 17, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Diary! SmartDiary | kuroneko clock |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (44 ratings)](https://appshunter.io/ios/app/diary-smartdiary/id1381186388/reviews)** | — |
| Number of ratings | **44** | — |
| Positive reviews | 93.3% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 3 months | Every 3 months |
| Monetization | Free with in-app purchases | — |
| Size | 12 MB | 37 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Hideki Okuno](https://appshunter.io/developer/1234067922) | [takayuki atsumi](https://appshunter.io/developer/1495474977) |

## What reviewers say

### Diary! SmartDiary

[App page](https://appshunter.io/ios/app/diary-smartdiary/id1381186388)

Record daily life with photos and track your mood and schedule on a calendar. Secure your entries with a passcode and easily access past memories. Customize your diary with various settings for a personalized experience.

**Highlights:** Record memories with photos, Track daily mood and schedule, Passcode lock with biometric support, iCloud backup and data migration, Customizable calendar and diary settings, Input forgetting notifications

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $2.99 | one-time |


### kuroneko clock

[App page](https://appshunter.io/ios/app/kuroneko-clock/id1515384542)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 時計オプション | $3.99 | one-time |


## Frequently asked questions

### Is Diary! SmartDiary free?

Diary! SmartDiary is free to download, with in-app purchases available.

### Is kuroneko clock free?

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

### Do Diary! SmartDiary or kuroneko clock have ads?

Both Diary! SmartDiary and kuroneko clock show ads.

### Which is updated more often, Diary! SmartDiary or kuroneko clock?

Diary! SmartDiary ships an update every 3 months, and kuroneko clock every 3 months. Most recently, Diary! SmartDiary was updated on October 17, 2026 and kuroneko clock on October 11, 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.*