The tools
Doomscrolling calculator
Enter your daily scroll minutes to see hours per week, per year and years over a lifetime. Free, no sign-up, plus what cutting back wins you.Doomscrolling test
Free 10-question phone addiction self-check based on the Smartphone Addiction Scale, Short Version (SAS-SV). Instant score, cutoffs explained. Not a diagnosis.Attention span test
Check your attention span free: react to green, hold back on red for 60 seconds. Get a score and your reaction time, and how to read it. Not a diagnosis.Average screen time
How much time people really spend on screens: the latest averages for adults, teens and kids, how much of it is social media, and how to check your own.Screen time by age checker
Enter your child's age and daily screen time to see it against AAP and WHO guidance, or against national averages where there's no official limit.Life clock
A screen-time take on the death clock: enter your age and daily phone time to see years left and how many go to the feed. An estimate, not a diagnosis.Life in weeks
Enter your birthdate to see your life as a grid of weeks: how many you've lived, how many are left, and how many of them your phone habit would fill.YouTube watch time calculator
Free YouTube watch time calculator: enter your Shorts and regular video habits to see weekly, yearly and lifetime hours, and what autoplay and Shorts add.Social media addiction test
Free social media addiction test using the six-item Bergen Social Media Addiction Scale (BSMAS). Instant score and what it means. Not a diagnosis.Screen time contract
Make a family screen time contract in a minute: set limits, device-free times and places, add signatures, and print it. Runs in your browser; nothing is saved.
Where the numbers come from
Where a tool uses published averages or cutoffs, its page says which. The sourced figures for screen time and social media are collected in Screen Time and Social Media Statistics. None of the tests is a diagnosis.
If the numbers surprise you, see how Stillfeed removes the endless feeds on your iPhone.
