FitnessTimer.io
Jonathan Mulolo
About this app
- Age 10
- Updated Aug 29, 2025
- OS IOS
Editor reviews
FitnessTimer.io is a fast, flexible workout timer for HIIT, Tabata, circuits, and endurance intervals. Build precise work and rest blocks, follow clear cues during training, and track progress to stay consistent.
Core features:
- Custom interval builder with warm-up, work, rest, rounds, and cooldown, plus reusable templates.
- Hands-free guidance with clear audio cues, large visual timers, and countdown beeps.
- History and progress tracking to review completed sessions and reuse favorite setups.
Ideal for home workouts, gym training, running, cycling, boxing, and team sports. Keywords: HIIT timer, interval timer, Tabata app, workout timer, health and fitness, sports training.
Screenshots
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How to use:
1. Download and install FitnessTimer.io, open the app, and sign in or continue as a guest.
2. Choose a preset such as HIIT, Tabata, EMOM, or Stopwatch, or tap Create to set warm-up, work, rest, rounds, and cooldown.
3. Customize cues by selecting voice prompts, countdown beeps, screen colors, and target duration or rounds.
4. Tap Start to begin your session; tap to pause, skip intervals, or adjust volume while training.
5. Save your workout when finished, review your history and stats, and pin favorite timers for quick access next time.