# Sunaba vs ZUKAN

The clearest difference is in-app purchases: Sunaba at none against ZUKAN's 3. Sunaba also leads on ads (none vs shown) and iOS requirement (13.0 vs 16.0). ZUKAN's advantage is update cadence (every 2 months vs every 72 months). On price and device support there is nothing between them.

Both are free to download. ZUKAN sells 3 one-off in-app purchases. Sunaba asks for nothing beyond the download.

Sunaba ships an update every 72 months, ZUKAN every 2 months. The most recent releases landed on October 6, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | Sunaba | ZUKAN |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.8 (4 ratings)](https://appshunter.io/ios/app/zukan/id1474186413/reviews)** |
| Number of ratings | — | **4** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 72 months | **Every 2 months** |
| Monetization | — | Free with in-app purchases |
| Size | 10 MB | 95 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [SimpleBoxes](https://appshunter.io/developer/396628977) | [Tomohiro Ohwada](https://appshunter.io/developer/991660409) |

## What reviewers say

### Sunaba

[App page](https://appshunter.io/ios/app/sunaba/id896086001)

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

**In-app purchases:** none


### ZUKAN

[App page](https://appshunter.io/ios/app/zukan/id1474186413)

Explore over 600 items through interactive picture books. Tap photos to hear Japanese and English names, and enjoy sound effects. Features include word learning, quizzes, and a customizable list.

**Highlights:** Over 600 item pictures, Japanese and English audio pronunciation, Sound effects, Word learning, Quiz function, Customizable 'My list'

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ads removal | $1.99 | one-time |
| Development support | $1.99 | one-time |
| Ads removal & Support | $2.99 | one-time |


## Frequently asked questions

### Is Sunaba free?

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

### Is ZUKAN free?

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

### Do Sunaba or ZUKAN have ads?

ZUKAN shows ads; Sunaba does not.

### Which is updated more often, Sunaba or ZUKAN?

Sunaba ships an update every 72 months, and ZUKAN every 2 months. Most recently, Sunaba was updated on October 6, 2026 and ZUKAN on October 21, 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.*