SDT Calculator 速距時計算機
Utilities
Only for iPhone
Free · Designed for iPhone. Not verified for macOS.
iPhone
SDT Calculator — Speed, Distance & Time, but smoother
Stuck between speed, time, and distance? SDT Calculator solves it instantly as you enter values. Watch a real‑time parallax visualizer respond to your inputs – making rate problems feel effortless. Switch seamlessly between metric and imperial, including knots for aviation and maritime use. Perfect for students, runners, drivers, pilots, and crew.
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
+ Added navigation and beacon lights to the airplane in dark mode to ensure flight safety
The developer, Lap Tak Cheung, 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 Not Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Lap Tak Cheung
- Size
- 15 MB
- Category
- Utilities
- Compatibility
Requires iOS 18.6 or later.
- iPhone
Requires iOS 18.6 or later. - Mac
Requires macOS 15.6 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 2.6 or later.
- iPhone
- Languages
English and 2 more
- English, Simplified Chinese, Traditional Chinese
- Age Rating
4+
- 4+
- Copyright
- © 2026 LAP TAK CHEUNG