# OKATADUKE2 vs Chikuwa Diary

The clearest difference is price: Chikuwa Diary at Free against OKATADUKE2's $3.99. OKATADUKE2's advantage is in-app purchases (none vs 2) and ads (none vs shown). On update cadence and device support there is nothing between them.

Chikuwa Diary is free to download; OKATADUKE2 costs $3.99 up front. Chikuwa Diary sells 2 in-app purchases, starting at $3.99 per month. OKATADUKE2 asks for nothing beyond the download.

OKATADUKE2 ships an update monthly, Chikuwa Diary every 4 weeks. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | OKATADUKE2 | Chikuwa Diary |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| Positive reviews | — | 83.3% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Monthly | **Every 4 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 82 MB | 30 MB |
| Requires iOS | **14.5** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [masashi012](https://appshunter.io/developer/524897474) | [Tenta Shinojima](https://appshunter.io/developer/1506707649) |

## What reviewers say

### OKATADUKE2

[App page](https://appshunter.io/ios/app/okataduke2/id1112861337)

**Features:** macOS Compatibility

**In-app purchases:** none


### Chikuwa Diary

[App page](https://appshunter.io/ios/app/chikuwa-diary/id1506707650)

This app allows you to journal, track books and movies, and organize ideas using multiple notebooks. It offers automatic iCloud syncing for seamless access across devices and supports image attachments. Organize your life's moments and information effortlessly.

**Highlights:** Multiple notebooks for different themes, Book tracking with information retrieval, Movie recording and search, Collection feature for organizing information, Automatic iCloud notebook sync, Image attachment support, Widget support

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Chikuwa+ Plan for 1 months | $3.99 | per month |
| Chikuwa+ Plan for 6 months | $14.99 | per 6 months |


## Frequently asked questions

### Is OKATADUKE2 free?

OKATADUKE2 costs $3.99, with no in-app purchases.

### Is Chikuwa Diary free?

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

### Do OKATADUKE2 or Chikuwa Diary have ads?

Chikuwa Diary shows ads; OKATADUKE2 does not.

### Which is updated more often, OKATADUKE2 or Chikuwa Diary?

OKATADUKE2 ships an update monthly, and Chikuwa Diary every 4 weeks. Most recently, OKATADUKE2 was updated on November 2, 2026 and Chikuwa Diary on November 3, 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.*