Live · Try it now

See your scroll cost.
Then earn it back.

Two interactive demos — calculate how many years your phone is taking, then feel the friction loop that gives them back.

01

The scroll-cost calculator.

Adjust your habits. Watch the years stack up.

1Daily screen time
4h37m
30m4h8h15h
2Your age
years old
3Years to project
60years
5y30y60y80y
Total burned
11.5 years

That's 277 hours of your life — projected from 4h 37m daily, age 28 through 88.

50,553
movies missed (2 hr each)
16,851
books unread (6 hr each)
505,525
km not walked
12,638
nights of sleep
Take it back with Zenvi →
02

Feel the friction.

A real Zenvi challenge — playable in your browser. Solve to “unlock” 1 minute.

You opened Instagram. Pay first.

In Zenvi, blocked apps don’t open instantly. Each unlock costs a Zen — earned by doing something better. Solve one quick equation to “buy” 1 minute:

  1. 1App is locked. The wall appears.
  2. 2Solve one quick equation.
  3. 3Earn 1 Zen → 1 unlock minute.
Math Sprint
One equation · 1 Zen
▶ Equation
56 − 33
=_
03

Now memory.

Some unlocks ask your brain to wake up. Watch a sequence, then repeat it.

Pattern recall.

Memory challenges flash a quick sequence. Tap the tiles back in the same order to earn your unlock.

  1. 1Watch the 3-step sequence.
  2. 2Tap the tiles in the same order.
  3. 3Earn 1 Zen → 1 unlock minute.
Memory Sprint
Repeat the pattern · 1 Zen
0/3