Timerr: Focus & Study Timer

Timerr is a focus timer built for students, developers, and anyone who does serious cognitive work. Whether you use Pomodoro, Deep Work blocks, or just need a clean stopwatch to get into flow — Timerr has you covered.
No ads. No accounts. No data collection. Just focus.
🎯 4 FOCUS MODES
Deep Work (90/20) — 90-minute focus blocks with 20-minute recovery breaks, based on science-backed cognitive endurance research.
Pomodoro Timer (25/5) — The gold-standard rhythm for steady output and burnout prevention. Classic, reliable, effective.
Flow State (Zen Mode) — A count-up timer for when you're locked in and don't want a countdown breaking your momentum.
Custom Intervals — Set your own session and break lengths for personalized time-blocking routines.
🛠️ PRODUCTIVITY TOOLS
Strict Mode — Locks your session to prevent pausing. Forces real commitment to the task.
2-Minute Grace Period — Life interrupts. This handles it without killing your streak or resetting progress.
Focus Analytics — Track daily streaks and Focus Quality scores to find your peak productive hours.
Adaptive UI — Screen colors shift based on your phase (focus vs. recovery) for a distraction-free environment.
💎 BUILT WITH CARE
Privacy-first — No cloud login, no tracking, no third-party data sharing.
Haptics & Audio — Precision feedback and optional rhythmic audio to anchor your attention.
Beautiful Themes — Cosmic, Mint, Ocean, and more.
Perfect for: exam prep, coding sessions, writing sprints, ADHD focus support, deep work routines, and time-blocking productivity systems.