TimerHub: Focus & Pomodoro

zAI Apps

About this app

TimerHub is the timerhub.io timer collection as a fast, fully offline app.

TIMER
- Countdowns from one second to 24 hours with an alarm at zero
- Quick presets: 1m, 90s, 3m, 5m, 10m, 15m, 30m, 45m, 1h, 4h
- Add time on the fly and share any timer as a timerhub.io link
- Optional local notifications mark completion in the background
- Run up to six named timers at once, with individual pause, reset and restart controls

STOPWATCH
- Lap times with fastest and slowest highlighted
- Centisecond display
- Share lap times as CSV through the system share sheet

POMODORO
- Classic 25/5, Deep Work 50/10, Quick 15/3, and ADHD 10/3 presets
- Custom focus, short-break, long-break and session-count settings
- Move between focus and breaks, or skip without counting unfinished work
- Name the task you are focusing on

INTERVALS
- Tabata (20/10 × 8) and HIIT (45/15 × 10) presets
- Custom work, rest, and round counts with phase tones while the app is open
- Optional background notification when the workout finishes

STATS
- Daily streaks, weekly totals, and your most-used timers
- Tracked locally on this device — no account needed
- Share your session history as CSV

ACCURATE BY DESIGN
Timers measure against an absolute end time, so backgrounding the app or locking the phone never makes a countdown drift. The same model powers timerhub.io/timer-accuracy.

PRIVATE BY DESIGN
- No ads, no account, no subscription
- No analytics or tracking of any kind in the app
- Works completely offline; history stays on your device unless you choose to share it
- Four alarm tones (Gentle Chime, Digital Alarm, Bell, Beep) plus vibration

What’s new

Share TimerHub with friends directly from Settings. Find our website and classroom embeds, OBS overlays and presentation timer videos in the app. External links now show a helpful message if they cannot open.