Blog
Tips on productivity, timing techniques, cooking, fitness, and more.
Why Countdowns Work (And Leaving the Timer Running Doesn't)
NASA launches with countdowns. Classrooms quiet with them. Loss aversion and the Zeigarnik effect explain why counting down motivates and counting up doesn't.
Productivity25/5, 52/17, or 90/20 — Which Work Interval Actually Works?
Three competing schools of thought on focus intervals: Pomodoro's 25/5, the DeskTime 52/17, and Ericsson's 90-minute ultradian cycles. The research behind each.
Philosophy & TimeWhy Time Feels Slow (or Fast): Time Perception Explained
Why time crawls during a plank and races through a good film. The neuroscience of time perception — and how a timer changes your relationship with duration.
ProductivityThe Pomodoro Technique: What Everyone Gets Wrong
The Pomodoro Technique isn't a 25-minute timer. Learn what Cirillo's method actually involves and why the breaks matter more than the work.
Guides & FeaturesInstall TimerKit as an App (It's a PWA, Not a Store Hostage)
How to install TimerKit as a progressive web app on iPhone, Android, Mac, and Windows. What a PWA is, why it matters, and why there's no App Store involved.
ProductivityYour Phone Timer Is Fine. Until It Isn't.
Why dedicated online timers beat your phone's default. TimerKit is free, ad-free, works on every device, and your screen never locks mid-session.