Derivon - Calculus Practice
Calc Derivatives & Integrals
Only for iPhone
Free · In‑App Purchases
iPhone
Master calculus through daily practice. Solve derivatives and integrals by intuition — no overthinking, just repetition.
• Swipe through problems and build your skills
• Earn Star Sand with every correct answer
• Spin the Gacha to collect planets in your Gallery
• Build a daily streak — never break the chain
• Take Rank-Up Challenges as you progress
• Play Shooting mode for a quick break
• Track your streak, level up, and earn rewards
Whether you're preparing for AP Calculus, university exams, or just sharpening your math skills, Derivon makes practice feel like a space adventure.
3 minutes a day. That's all it takes.
Terms of Use (EULA):
https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
・The background now flows as you answer, carrying you deeper into space
・Finish the last question and blast off
・The question screen is easier to read
・Fixed how some questions and answers are shown
The developer, ABT合同会社, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Used to Track You
The following data may be used to track you across apps and websites owned by other companies:
- Identifiers
- Usage Data
Data Linked to You
The following data may be collected and linked to your identity:
- Contact Info
- User Content
- Identifiers
Data Not Linked to You
The following data may be collected but it is not linked to your identity:
- Location
- Identifiers
- Usage Data
- Diagnostics
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- ABT LIMITED LIABILITY COMPANY
- Size
- 137.1 MB
- Category
- Education
- Compatibility
Requires iOS 26.0 or later.
- iPhone
Requires iOS 26.0 or later.
- iPhone
- Languages
- English and Japanese
- Age Rating
9+
- 9+
- Contains
Loot Boxes
Advertising
User-Generated Content
- In-App Purchases
Yes
- Derivon Super (Monthly) $1.99
- Derivon Super (Yearly) $14.99
- 32 Star Fragments $3.99
- 12 Star Fragments $1.99
- 5 Star Fragments $0.99
- Copyright
- © 2026 Derivon