HIIT & Interval Timer with auto-changing music for workouts & Tabata.
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Train to the beat with BeatInterval — the ultimate HIIT and interval timer that automatically changes your workout music as you move between warm-up, high-intensity work, rest, and cooldown.
Stop staring at the clock and let your music drive your gains. Whether you're doing Tabata, circuit training, or boxing rounds, BeatInterval handles the timing and audio transitions seamlessly.
🎵 MUSIC-DRIVEN INTERVAL TRAINING
Take your workouts to the next level by matching your music to your effort:
• Warm-up: Get moving with upbeat tracks
• Work intervals: High-energy music to push your limits
• Rest periods: Calmer tracks to catch your breath
• Cooldown: Relaxing music to finish strong
The music changes automatically with every phase transition.
⏱️ CUSTOMIZABLE HIIT & TABATA TIMER
Build interval workouts tailored to your exact routine:
• Set precise durations for warm-up, work, rest, rounds, and cooldown
• No rigid time steps — enter exact seconds and minutes
• Big, high-contrast timer display easy to read while sweating
🎧 FLEXIBLE MUSIC OPTIONS
• Built-in Music: Choose from professional energetic workout tracks and recovery beats without preparing playlists.
• Local Music: Select audio files or folders directly from your device.
• Current Music Mode: Keep your favorite streaming app (Spotify, YouTube Music, etc.) playing in the background while BeatInterval manages your workout timing and audio cues.
🔔 CLEAR AUDIO & VISUAL CUES
Stay completely focused on your form. BeatInterval provides crisp audio alerts for countdowns, phase switches, and workout completion.
💾 SAVE & REUSE YOUR ROUTINES
Create your favorite training routines once and launch them instantly whenever you train. Perfect for:
• HIIT workouts
• Interval training
• Tabata sessions
• Boxing & MMA rounds
• Running & sprinting intervals
• Cycling & spinning
• Circuit training & CrossFit
• Home workouts & gym sessions
FREE & PRO VERSION
The free version includes the complete interval timer experience with ads and a limit on saved workouts.
Upgrade to Pro with a simple one-time purchase (no subscription!) to remove ads, save unlimited workouts, and unlock all built-in music options.
🔒 PRIVATE BY DESIGN
Your workouts and music choices stay on your device. BeatInterval requires no account creation and never uploads your personal music files to external servers.
Choose your intervals. Choose your music. Press Start.