Guides
Everything on this site that isn't the homepage, sorted by what you're trying to do.
Last updated: September 2026
Sleep and wake windows
- What does wake window mean? The definition, an age chart, and the signs it ran long or short.
- Wake-window tracker How Rhythm computes the window from your baby's own sleep.
- Pattern insights How Rhythm finds relationships between sleep, feeds, and activities.
- Calm Mode Hide timers and predictions when they're making things worse.
Using Rhythm
- Features The full list of what Rhythm tracks.
- Baby and toddler tracker Changing what you track as your child grows, without losing history.
- Sharing with a partner One household log across iPhone, Android, and the web.
- Private baby tracker No account, no ads, and what local storage does and doesn't protect.
- No subscription needed What's free on one device and what the household plan adds.
- Milk stash tracker Pumping, freezer inventory, and expiry dates in one place.
- Breast milk stash calculator How many bottle days a freezer stash covers, and when the freezer could take over from pumping.
Comparing and switching
- Compare trackers Rhythm, Huckleberry, and Nara Baby in one table.
- Rhythm vs Huckleberry
- Rhythm vs Nara Baby
- Huckleberry alternative Free predictions, and how to try Rhythm with your Huckleberry history.
- Trackers that import Huckleberry data
- Import from Huckleberry Step by step, with what comes across.
- Import from Nara Baby Export steps, and what comes across.
- Import from Baby Buddy
About Rhythm
- About Who built it and why.
- Roadmap What has shipped in the beta, and what's next.
- Security How synced data is stored and protected.
- Privacy policy
No account, no install.