# studio ett vs Chikuwa Diary

The clearest difference is in-app purchases: studio ett at none against Chikuwa Diary's 2. studio ett also leads on ads (none vs shown) and iOS requirement (8.0 vs 16.0). Chikuwa Diary's advantage is update cadence (fortnightly vs every 23 months). On price and device support there is nothing between them.

Both are free to download. Chikuwa Diary sells 2 in-app purchases, starting at $3.99 per month. studio ett asks for nothing beyond the download.

studio ett ships an update every 23 months, Chikuwa Diary fortnightly. The most recent releases landed on September 19, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | studio ett | Chikuwa Diary |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 83.3% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 23 months | **Fortnightly** |
| Monetization | — | Free with in-app purchases |
| Size | 3 MB | 29 MB |
| Requires iOS | **8.0** | 16.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Kosei Noshiro](https://appshunter.io/developer/1491872682) | [Tenta Shinojima](https://appshunter.io/developer/1506707649) |

## What reviewers say

### studio ett

[App page](https://appshunter.io/ios/app/studio-ett/id1493906837)

**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 studio ett free?

studio ett is free to download, with no in-app purchases.

### Is Chikuwa Diary free?

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

### Do studio ett or Chikuwa Diary have ads?

Chikuwa Diary shows ads; studio ett does not.

### Which is updated more often, studio ett or Chikuwa Diary?

studio ett ships an update every 23 months, and Chikuwa Diary fortnightly. Most recently, studio ett was updated on September 19, 2026 and Chikuwa Diary on September 10, 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.*