head to head/AI Voice & Audio

Shadow OS vs Sleep Calculator

Neck and neck on boosts. Profiles, pricing and deals below.

Shadow OS

Behavioral Insight from Your Real Decisions

community boosts

0

pricing

Freemium

what it is

A behavioral insight app grounded in Jungian psychology. Shadow OS tracks your choices, your state, and what happens next — so you can see what keeps repeating.

Sleep Calculator

Sleep Cycles, REM & Wake Up Time

community boosts

0

pricing

Freemium

what it is

Use Sleep Calculator to find the best time to go to bed or wake up based on 90-minute sleep cycles. Calculate REM sleep, ideal sleep time, and wake up refreshed