PrimeTimer: Boxing & Interval

PrimeTimer is a customizable boxing timer and interval timer for rounds, HIIT, Tabata, and any structured workout. Build routines fast, train hands-free, and get precise cues with sounds, vibration, and voice.

Build custom routines

Create routines with:
• Timer-based or rep-based rounds
• Work, rest, and prep times
• Round multipliers (repeat a round 1–100×)
• Laps (repeat the full routine)
• Drag & drop sorting
• Round notes you can view or edit during training

PrimeTimer adapts to boxing rounds, circuits, strength sets, rehab, breathwork, stretching, and productivity intervals.

Audio cues, vibration & warnings

Stay on pace with:
• Custom sounds (with trimming)
• Start/end cues and countdown warnings
• Multiple vibration patterns

Text-to-speech (TTS) voice cues

Optional voice announcements for:
• Round names and rest periods
• Countdown / next round
• Routine completion
• Round notes (optional)

Great for hands-free training and busy workouts.

During-routine controls

• Pause / resume
• Next / previous round
• Skip ±5 seconds
• Round list overview + next-round preview

Share, import, backup

• Share routines via link so others can import directly
• Export/Import routines and settings for backup or switching devices

Personalization

• Light / dark theme
• Keep screen on
• Multi-language support (EN, RU, ES, PT-BR, HI)

Perfect for boxing rounds, HIIT, Tabata, circuit training, strength timing, rehab, stretching, and study intervals.