暗算ランカー(インド式脳トレ)

Contains ads
Content rating
Everyone
10+
Downloads
Content rating
Everyone
Learn more
Screenshot image
Screenshot image
Screenshot image
Screenshot image
Screenshot image
Screenshot image

About this app

Improve your mental arithmetic skills in a fun way!
This app is a mental arithmetic practice app using Indian-style double-digit multiplication. Practice three different patterns in order to efficiently hone your mental arithmetic skills.

・Try the Time Attack!
Try out 10 practice problems and see how many seconds it takes you to solve them. This app trains both speed and accuracy.

・Earn titles and level up!
Complete the practice within the set six hours to earn a title! Collect titles in order to naturally improve your mental arithmetic skills.

・Perfect for Education
Practice repeatedly like a game, making it enjoyable for elementary and junior high school students, and even adults.

・Simple and Easy-to-Use Design
Intuitive controls let you start practicing right away. No unnecessary features allow you to focus on your studies.

・Steadyly improve your mental arithmetic skills with just a little time each day!
Have fun and aim to become a "mental arithmetic master!"
Updated on
Jan 8, 2026

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
No data shared with third parties
Learn more about how developers declare sharing
No data collected
Learn more about how developers declare collection
Data is encrypted in transit
Committed to follow the Play Families Policy
Content rating
Everyone
Learn more

App support

About the developer
浅岡未希
brissmikideveloper@gmail.com
Japan