Thoth - 高校化学の暗記と演習

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About this app

Currently, all practice exercises and intensive training are available for free for a limited time. You can use them simply by registering for a free account. "Memorizing" can be started immediately without registration.

Thoth is an app that supports high school chemistry learning with both "memorization" and "practice exercises." From basic chemistry to entrance exams, it aims to help you retain what you've learned until the day of the exam.

■ Memorizing — Memorization You Won't Forget
Over 1,200 carefully selected items from the entire range of theoretical, inorganic, and organic chemistry are presented using a scientific review schedule (spaced repetition). By reviewing each item one by one like flashcards, it prevents "forgetting what you've memorized." It helps you maintain your knowledge from regular test preparation to the Common Test.

• Vague memories are re-presented at short intervals, while solid memories are re-presented at longer intervals.
• Each learning session can be just a few minutes long. You can continue learning during your commute or in your spare time.
• Offline learning is also possible. Uninterrupted Even in Areas Without Network Reception

■ Practice Problems — Solve and Learn from Mistakes
Includes over 700 practice problems. For each answer choice, it analyzes "why you got it wrong" and displays explanations tailored to the root cause of the problem (misconception). It goes beyond simple right/wrong judgment, showing "where your thinking went wrong."

■ Intensive Training — Mastering Memorization Techniques
You can practice areas you want to memorize together, such as flame tests and precipitate colors, on a theme-by-the-topic basis. Starting with an introduction to understand the mechanism, and repeatedly practicing correspondences and rearrangements, it helps solidify knowledge in a "recallable form" rather than rote memorization.

■ Selectable Learning Scope
From first-year high school students studying only basic chemistry to third-year students preparing for entrance exams, you can switch the learning scope. Composed of over 60 units following the textbook flow, you can start from theoretical chemistry, inorganic chemistry, or organic chemistry.

■ School/Class Use
By joining with a class code from your teacher, you can receive assignments and share submission status. This function is not necessary for individual use.


■ About Usage
"Memorize" can be used without account registration. Practice and intensive training require free account registration. Learning progress made as a guest will be carried over upon registration.

■ Recommended for those who:
・Want to solidify memorization before regular tests
・Want to maintain chemistry knowledge for the Common Test
・Forget things they've learned quickly
・Struggle with chemistry among science subjects and don't know where to start
・Want to study efficiently during spare time

There are no ads. There are no in-app purchases.

Price: Free to start.
Combine memorization and practice for high school chemistry into one. From basic chemistry to the Common Test, review based on the forgetting curve will help you retain what you've learned until the day of the exam. Covers the entire range of theoretical, inorganic, and organic chemistry.
Updated on
Aug 30, 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
  • This app may collect these data types
    Personal info and App activity
  • Data is encrypted in transit
  • You can request that data be deleted

What’s new

演習問題の一部を解きやすい選択肢構成に修正しました。(内容は特に変更してません)
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Everyone
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App support

About the developer
THOTH INC.
info@thoth-chemistry.jp
77, OSUMICHOSHIMOKUBOMACHI SOO, 鹿児島県 899-8106 Japan
+81 80-7841-3554