Loading…
Loading…

Ages 3+
25-minute focused sprints with 5-minute breaks -- the classic productivity formula proven to boost retention.

High School · College · Adult
Extended 90-minute sessions for complex projects and deep learning with minimal interruption.

Ages 3+
Rain, forest, cafe, white noise -- science-backed background sounds that help you stay in flow.

Ages 3+
Track your daily, weekly, and monthly focus streaks and session history at a glance.

Middle School · High School · Adult
Set daily study targets and watch your consistency compound over time.

Ages 3+
Gradually ease ambient sound and reduce intensity to help you transition into rest.



FREE
Starter access, no card required.

Every major subject, covered. Koydo learning apps are ad-free. Start with free access — no card required.