Flash Interval Timer Workout

Flash Interval Timer Workout is a fast, focused interval timer for HIIT, Tabata, circuits, running, strength work, and custom training sessions.

Build sessions in seconds, save them to your library, and stay locked in with a large circular countdown that makes it obvious what phase you are in, how long is left, and what comes next.

Features:

Big full-screen interval timer
Custom work, rest, prepare, and cooldown phases
Save workouts to your library
Favourite workouts for quick access
Presets for fast setup
Advanced custom sets and variations
Skip the last rest option
Audio and voice countdown cues
Multiple sound themes
Per-phase colour customisation
Workout history
Light, dark, and system appearance options
Flash Interval Timer Workout is designed to reduce friction before and during training, so you can start quickly and keep moving.