Mathmaji

In-app purchases
3.8
126 reviews
50K+
Downloads
Content rating
Everyone
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About this app

Welcome to Mathmaji!

Mathmaji is an award-winning educational experience that puts the proven Japanese method of structured problem solving at your child's fingertips. Mathmaji is the only math app with a complete K-5 numerical math curriculum to teach new concepts, and our 500+ engaging exercises are specially designed to hone problem-solving skills. Mathmaji’s innovative combination Japanese instruction techniques and tailored lessons, games, and practice exercises earned it the Asian EdTech Summit Global Award Gold Prize and the Global EdTech Startup Award.
Ā· Build a strong foundation in essential math skills, boosting confidence and comprehension.
Ā· Master new concepts and apply them to real-world problems, develop a strong number sense, and learn methods for quick mental calculation.
Ā· Find out how the Japanese approach to math ed takes the mystery out of multiplication, division, and other concepts that may have your student stumped.
Ā· Track your student’s progress with Mathmaji’s comprehensive Learning Management System.
Get two weeks full access for FREE.
Say goodbye to math anxiety! With Mathmaji, a few minutes a day is all it takes to make math your child’s favorite subject!
Updated on
Jan 21, 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.
This app may share these data types with third parties
Personal info, App activity and 2 others
This app may collect these data types
Personal info, App activity and 2 others
Data is encrypted in transit
You can request that data be deleted
Committed to follow the Play Families Policy

Ratings and reviews

3.9
73 reviews
Randy Timonio
September 14, 2024
This is very bad my child tried to learn, but whenever they get it wrong, it says try again. Can you remove that and ACTUALLY teach them how to do it instead of saying you got it wrong? It is very confusing to my child.
52 people found this review helpful
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Mathmaji Co., Ltd.
September 17, 2024
Thank you for your constructive feedback! Our goal is to support every child in better understanding mathematics, so your input is truly invaluable. We are constantly updating our lessons to improve. We would greatly appreciate more feedback to see whether our hints and explanations will help your child.
Donald Paul
April 15, 2025
fun my child is doing better in school she is getting A+,s from this game but there were a couple ads that I didn't like
1 person found this review helpful
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Christy Grothe
October 3, 2023
I tried to sign up but it kept telling me that the verification code failed and my password wasn't the password even though I was the password I made.
29 people found this review helpful
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Mathmaji Co., Ltd.
October 4, 2023
Thank you very much for your feedback to us. We are sorry to hear that you could not go through the registration. The verification code is valid for 24 hours after it is sent to you. The password needs to include at least one lowercase alphabet and one number respectively. If you still encounter an issue, please reach out to us so that can help!

App support

About the developer
ę Ŗå¼ä¼šē¤¾Mathmaji
contact-app+googleplay@mathmaji.com
2-2-1, TORANOMON SUMITOMOFUDOSAN TORANOMON TOWER 2F. G-STA SQUARE MINATO-KU, ę±äŗ¬éƒ½ 105-0001 Japan
+81 50-5477-8487

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