PaceFlux

PaceFlux is a beautifully simple interval timer built for focused, distraction-free training. No sign-up required — open the app and start training in 3 seconds. ■ INTERVAL TIMER Set custom work and rest durations with large, glanceable countdown digits. The screen glows red during work intervals and green during rest, so you always know which phase you're in at a glance. ■ 5 PRESET PROGRAMS Classic training programs built in. One tap to start: • Tabata — 20s work / 10s rest, 8 rounds • 7-Minute Workout — 30s work / 10s rest, 12 rounds • Beginner HIIT — 45s work / 15s rest, 10 rounds • Advanced HIIT — 60s work / 20s rest, 15 rounds • 4×4 Intervals — 4 min work / 3 min rest, 4 rounds ■ CUSTOM PROGRAMS Create and save your own training routines. Set work duration, rest duration, and number of rounds. Reuse anytime. ■ AUDIO & HAPTIC CUES Distinct sound and vibration alerts at every phase transition — work start, rest start, and session complete. Keep your eyes on your form, not your screen. ■ TRAINING STATS Every session is automatically logged. Track weekly session count, total training time, and streak days to stay motivated. ■ DARK NEON DESIGN Purpose-built for the gym. Deep dark interface stays crisp under bright overhead lights. Screen stays awake during training so your countdown is always visible. USE CASES • HIIT (High-Intensity Interval Training) • Tabata workouts • Strength training rest intervals • Running interval drills • Boxing & martial arts rounds • Meditation & breathwork WHY PACEFLUX • Simple — no complicated settings, just open and go • Fast — pick a program, tap start, training in 3 seconds • Precise — millisecond-accurate timing • Offline — no internet connection needed, ever • Free — core features free forever. No ads. Download PaceFlux and start your first interval session today.