A bit of a shameless plug, but if you want predictable, I've built a browser extension for the "nudge" part: https://www.nudgeti.com/ https://www.nudgeti.com/

A bit of a shameless plug, but if you want predictable, I've built a browser extension for the "nudge" part: https://www.nudgeti.com/ https://www.nudgeti.com/ It shows a browser notification when you spend more than two minutes on certain websites.