Every little step,
made calm and simple.
From sleep and daily rhythms to potty training and big milestones—keep parents, grandparents, and daycare on the same page in one tap.

Built for busy hands
Log sleep, trips, and daily moments in two seconds without a maze of menus.
Guided by their pace
Smart daily timing adapts as your child grows—without loud countdown alarms.
One shared day
Parents, grandparents, and daycare see the same live logbook.
One-tap logging
Record sleep, bathroom trips, tries, or little milestones in seconds. You’ll never have to guess what happened or when.
Last activity 1h 25m ago · Right on schedule
Smart daily rhythm
Skip the stressful alarms. OneStepTwo learns your child’s natural spacing across naps, breaks, and daily routines.
Coordinate caregivers
Share daily care across parents, grandparents, and daycare in real time with complete privacy. Nobody has to guess at pickup.

Milestones & Potty School
Celebrate every new routine, try, and dry day as their botanical plant blooms. Earned milestones never reset after a setback.
Explore the milestones →Plus, free tools for every stage:
Questions, answered.
What platforms is OneStepTwo available on?
OneStepTwo is live now on iPhone and Android. Download it free from the App Store or Google Play.
How much will it cost?
Free to download, with an optional Premium upgrade inside the app. See the app for current pricing.
What ages is it for?
Whenever your child is ready. Most families start somewhere between 18 months and 3 years. The app follows your pace, not a schedule.
Is it just potty training?
That's step one. One Step Two is built for childhood milestones, and potty training is the first of many we'll help your family celebrate.
Ready for a calmer day,
tracked together?
Keep sleep, daily rhythms, and milestones in one shared place for your whole family. Free to download on iPhone and Android.