Comparison

Kuku Robo vs Learn Sushi

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • Learn Kuku multiplication method
  • Practice with different 'Dan' levels
  • Improve math skills
  • Track progress through practice
  • Designed for consistent effort
Features
Read full description

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!

About

Learn Sushi

Features
Read full description

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

Kuku Robo4 screens
Learn Sushi4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

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

UpkeepUpdate frequency

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.

Scorecard4 real differences · 4 level
Kuku Robo versus Learn Sushi: the parameters behind the verdict, then further details
ParameterKuku RoboLearn Sushi
PriceFreeFree
Positive reviews0.0% of reviews—
Update frequencyEvery 3 monthsFortnightly — better
AdsYesNo — better
In-app purchasesNo — betterYes
MonetizationAd-supported—
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS15.06.0 — better
Further details — not scored
Size57 MB35 MB
Age rating4+4+
DeveloperMASAHIRO MIZUTANIKozo Terai

In-app purchases

None

Kuku Robo

No in-app purchases

1 purchases

Learn Sushi

One-time1
  • No Ads for Learn Sushi$0.99

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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