ArrowTrainer: Badminton Footwork & Reaction Trainer
ArrowTrainer is a lightweight app I built for indoor badminton footwork and reaction training. It gives a random movement cue at a chosen interval, so a player can practise seeing the cue, starting quickly, moving in the right direction, and returning to base.
Interface preview
How it works
Set the interval between direction changes, then tap the central circle to begin. The app randomly displays one of the six common movement directions:
- left front and right front
- left and right
- left rear and right rear
Tap the circle again during a session to pause; tap once more to continue. On macOS, hovering over the circle during training also reveals the pause control.
Designed for simple, focused practice
ArrowTrainer is intended for individual, no-shuttle training sessions. It can be used for:
- indoor shadow-footwork practice
- pre-session warm-ups
- reaction-speed and directional-awareness drills
The interface is deliberately minimal: a large circular control, a clear direction cue, and one interval setting. It automatically follows the system light or dark appearance and supports both macOS and iOS.
Project
The first version is built with SwiftUI and Timer. Its source code and setup instructions are available on GitHub:
Next steps
Potential future additions include a start countdown, configurable session duration, sound or voice cues, training statistics, and more difficulty levels.