THE BRAIN ROT INDEX

How much of your life are you trading for your phone?

Two sliders and ninety seconds. No email wall, no account.

Daily phone hours

6.2h

Global average is 6.7h a day. DataReportal, 2025.

Your age

28

Calculated to age 80.

No account, no email wall. We keep your score so your share link works.

AT THIS RATE

0 years

of your remaining life, spent looking at a screen.

0 weekends of your life

0 feature films unwatched

0 books you will not read

Assumes an 80-year life. 60 waking weekend hours, 2h per film, 8h per book. Illustrative, not a diagnosis.

0 years of your life

// THE ASSESSMENT

Picking an answer moves you on.

Working it out

Ten answers, two numbers, one result you will not like.

// YOUR DIAGNOSIS

0/100

// THE COST

Earlier you said you trade

0 YEARS

for this. That checks out.

// ASSIGNED TYPE

// THE DIAGNOSIS

Get Shift — $69

Thirty days. If your screen time has not dropped by half an hour a day, we refund you.

What the number actually means

Ten questions, two sliders, and no clinical claim. Here is exactly how it is built and what it is not.

WHERE YOU LANDED

60% of the score

Ten behaviours, not feelings

Every question asks what you did, not how you feel. Feelings are the least reliable data you have about your own habits.

40% of the score

Two numbers you gave us

Daily hours and your age. Those produce the years figure, which is arithmetic rather than assessment.

0% of the score

Nothing else

No account, no permissions. We store your score, type, age and hours so share links work. No name, and no email unless you give it.

What this is not

Not a diagnosis. Not a medical instrument. "Phone addiction" is not a recognised clinical condition, and if your phone use is genuinely affecting your health, a doctor is a better place to start than a website that sells a puck.

Get Shift — $69
Or read the long version: Phone Addiction Test — How Bad Is Yours, Really?