Mobile App
Complete Interval Timer (CITimer)
Interval timing for workouts, study sprints, and rehab. Build any routine with prepare, work, rest, and optional mid-set switch cues. Voice guidance, beeps, and a screen that stays awake keep you focused. Favourites launch fast, light/dark themes match your vibe, and everything stays private on your device.
Key features
Everything you need to build fast, flexible interval sessions.
- 🎯 Unlimited custom presets with segments, sets, and per-segment timings
- 🧩 Two editors: quick Basic mode and full Advanced mode
- ⏱️ Prepare/work/rest controls plus per-segment switch timers
- 🔊 Voice announcements (names, transitions, countdowns) + toggleable beeps
- ⭐ Favourites list, quick-start preset, and import/export via JSON
- 📊 Calendar stats, recent sessions, and total time tracking
- 🌓 Manual light/dark themes with Material 3 polish
- 📱 Screen stays on during active timers
- 🔒 No accounts, no ads, no data collection; everything is stored locally
- 🔄 Works great for HIIT, Tabata, circuits, boxing rounds, running intervals, yoga flows, stretching, and pomodoro-style focus blocks
New in this version
Recent improvements shaped by user feedback.
- Added calendar-based stats with recent sessions view
- Theme toggle refreshed for quick light/dark switching
- Favourites panel for one-tap starts
- Improved mid-set switch cues and voice clarity
Perfect for
Trusted across workouts, training plans, and focus sessions.
- HIIT, Tabata, circuits, boxing/MMA rounds, CrossFit WODs
- Strength supersets, rehab routines, mobility flows
- Pomodoro/focus intervals and study blocks
Why choose Complete Interval Timer?
Simple, private, and built for real training sessions.
- No ads or subscriptions
- Offline-first with local-only storage
- Lightweight, fast, and regularly updated from user feedback
Start with the Quick Start preset, then tailor every segment to your goals.
Product snapshots
Preview key screens before you download the app.
