Calc Training (30sec)
Navigation
Only for iPhone
Free · In‑App Purchases · Designed for iPhone
iPhone
You can practice mental arithmetic in 30 seconds.
Train your math skills by doing more mental arithmetic.
■5 types of training
- Addition
- Subtraction
- Multiplication
- Split
- mix
■Features
- 30 seconds of intensive training
- Personal best confirmation
■Credit
SE -> OtoLogic (https://otologic.jp/)
BGM -> Pocket Sound (https://pocket-se.info/)
Ratings & Reviews
This app hasn’t received enough ratings or reviews to display an overview.
Compatible with iOS26.
Library updated.
The developer, Tomohiro Ohwada, 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:
- Diagnostics
Data Linked to You
The following data may be collected and linked to your identity:
- Diagnostics
Data Not Linked to You
The following data may be collected but it is not linked to your identity:
- Diagnostics
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Tomohiro Ohwada
- Size
- 8.3 MB
- Category
- Navigation
- Compatibility
Requires iOS 15.0 or later.
- iPhone
Requires iOS 15.0 or later. - iPod touch
Requires iOS 15.0 or later. - Mac
Requires macOS 12.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later.
- Languages
- English and Japanese
- Age Rating
4+
- 4+
- Contains
Advertising
- In-App Purchases
Yes
- Remove Ads & Support $2.99
- Development support $1.99
- Remove Ads $1.99
- Copyright
- © OWD
