# Kuku Robo vs Learn Sushi

The clearest difference is in-app purchases: Kuku Robo at none against Learn Sushi's 1. Learn Sushi's advantage is ads (none vs shown) and update cadence (fortnightly vs every 3 months). On price and device support there is nothing between them.

Both are free to download. Learn Sushi sells 1 one-off in-app purchase. Kuku Robo asks for nothing beyond the download.

Kuku Robo ships an update every 3 months, Learn Sushi fortnightly. The most recent releases landed on November 1, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | Kuku Robo | Learn Sushi |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | **Fortnightly** |
| Monetization | Ad-supported | — |
| Size | 57 MB | 35 MB |
| Requires iOS | 15.0 | **6.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [MASAHIRO MIZUTANI](https://appshunter.io/developer/368158224) | [Kozo Terai](https://appshunter.io/developer/817321452) |

## What reviewers say

### Kuku Robo

[App page](https://appshunter.io/ios/app/kuku-robo/id562517412)

Master multiplication with a Japanese method called 'Kuku'. This app offers various levels ('Dan') to practice and improve your math skills. It's designed for consistent effort to build a strong foundation in mathematics.

**Highlights:** Learn Kuku multiplication method, Practice with different 'Dan' levels, Improve math skills, Track progress through practice, Designed for consistent effort

**Features:** Vision Pro support

**In-app purchases:** none


### Learn Sushi

[App page](https://appshunter.io/ios/app/learn-sushi/id817321449)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| No Ads for Learn Sushi | $0.99 | one-time |


## Frequently asked questions

### Is Kuku Robo free?

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

### Is Learn Sushi free?

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

### Do Kuku Robo or Learn Sushi have ads?

Kuku Robo shows ads; Learn Sushi does not.

### Which is updated more often, Kuku Robo or Learn Sushi?

Kuku Robo ships an update every 3 months, and Learn Sushi fortnightly. Most recently, Kuku Robo was updated on November 1, 2026 and Learn Sushi on November 6, 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.*