Kuku Robo vs Learn Sushi
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Kuku Robo
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.
- Learn Kuku multiplication method
- Practice with different 'Dan' levels
- Improve math skills
- Track progress through practice
- Designed for consistent effort
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Let’s learn the multiplication method called 'Kuku'. This is the secret why Japanese guys have a good track record of mathematics. It's important to keep trying on the Kuku, so this app is for you. You can choose several rows called 'Dan' as you like. Have fun with Kuku!
Learn Sushi
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Learn how you call the sushi in both English and Japanese, using hiragana, katakana, romaji for Japanese ways of describing.The app looks like the touch panel at sushi restaurants. You can also learn how to pronounce the sushi in Japanese, just push each sushi, and you can hear how to pronounce it. Use this app to just simply enjoy sushi, or learn about sushi at sushi restaurants. There is also a mini game, Brain Train. Brain Train is an escape game. You can escape the room solving the puzzles.
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | Kuku Robo | Learn Sushi |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| Update frequency | Every 3 months | Fortnightly — better |
| Ads | Yes | No — better |
| In-app purchases | No — better | Yes |
| Monetization | Ad-supported | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.0 | 6.0 — better |
| Further details — not scored | ||
| Size | 57 MB | 35 MB |
| Age rating | 4+ | 4+ |
| Developer | MASAHIRO MIZUTANI | Kozo Terai |
In-app purchases
Kuku Robo
No in-app purchases
Learn Sushi
- No Ads for Learn Sushi$0.99









