理由までドリル〜なぜ？を考える算数・思考力トレーナー〜

Apps & Games

See the available price observations, the recorded period and the current offer below.

Current price: $1.43
Last updated: Dec 18, 2025

The available history is still limited. These observations provide context, not a buying recommendation.

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$1.43save $1.66 [54% OFF ]

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Unlock your child's potential in math today! Visit the product page on Amazon to learn more about the 理由までドリル app and start the journey towards better understanding and confidence in mathematics.

Last tracked on Dec 18, 2025, 7:01 AM.

Amazon Price History

This chart shows the available Amazon price observations for 理由までドリル〜なぜ？を考える算数・思考力トレーナー〜. Read it alongside the price brief above.

Condition	Lowest Price	Highest Price	Last Price	Average Price
New	$1.43 12/18/2025	$1.43 12/18/2025	$1.43 12/18/2025	$1.43

* The Seek Monkey monitors individual Amazon product prices for products in 2 specific conditions: New, Used. If any of the conditions are not in the table above, it means there were no offers for that condition.

Product Details

Check some product details below and make sure you are buying the right product.

Category	Apps & Games
Product Group	Mobile Applications
Brand	ototokun
Manufacturer	ototokun
Binding	App
Adult Product	No
Item Part Number	com.ototo.watasiha.riyumadedoriru
Languages	Japanese
Release Date	December 12, 2025

Features

Two-step learning process that emphasizes both correct answers and the reasoning behind them, promoting a deeper understanding of math.
Comprehensive coverage of 28 different thinking patterns, ensuring a well-rounded approach to mathematical education.
Review mode that focuses on previously missed or uncertain questions, allowing for targeted practice.
Visual representation of learning history, helping users identify strengths and weaknesses in their understanding.
Grade-level settings that allow for tailored learning experiences for students in grades 3 to 6.
Simple, tap-centered user interface that minimizes confusion and enhances usability for children.
Completely offline and ad-free, providing a safe and distraction-free learning environment.
Data reset feature that allows for easy sharing of the app among siblings or friends.