# Kuku Robo vs Drowning Math

The clearest difference is ads: Drowning Math at none against Kuku Robo's shown. Drowning Math also leads on update cadence (every 5 days vs every 3 months). Kuku Robo's advantage is device support (3 vs 1). On price, in-app purchases and iOS requirement there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Kuku Robo ships an update every 3 months, Drowning Math every 5 days. The most recent releases landed on October 10, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | Kuku Robo | Drowning Math |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/kuku-robo/id562517412/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | **Every 5 days** |
| Monetization | Ad-supported | — |
| Size | 57 MB | 67 MB |
| Requires iOS | **15.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [MASAHIRO MIZUTANI](https://appshunter.io/developer/368158224) | [Brothapps, SL](https://appshunter.io/developer/1126030162) |

## 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


### Drowning Math

[App page](https://appshunter.io/ios/app/drowning-math-mental-math/id6450683721)

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

**In-app purchases:** none


## Frequently asked questions

### Is Kuku Robo free?

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

### Is Drowning Math free?

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

### Do Kuku Robo or Drowning Math have ads?

Kuku Robo shows ads; Drowning Math does not.

### Which is updated more often, Kuku Robo or Drowning Math?

Kuku Robo ships an update every 3 months, and Drowning Math every 5 days. Most recently, Kuku Robo was updated on October 10, 2026 and Drowning Math on October 16, 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.*