BabyLog
A local-first baby-tracking PWA we designed and built in-house — low-friction tap-and-swipe logging that works offline.
The brief
New parents are sleep-deprived, one-handed and rarely in a position to fuss with a fiddly app. The brief was to build a baby-tracking tool that gets out of the way: log a feed, a nappy change or a sleep with a tap and a swipe, even with no signal at 3am. It also needed to be a real product we owned end to end — designed, built and shipped by Binary Top rather than a client handoff.
What we built
We built BabyLog as a local-first progressive web app. Logging is tap-and-swipe: the most common actions are one gesture away, and everything is written to the device first so the app stays instant and fully usable offline. Data syncs in the background when a connection is available. It installs to the home screen like a native app, and the whole thing runs on a fast, local-first Next.js foundation for strong Core Web Vitals.
The result
BabyLog is live as Binary Top's flagship in-house product — proof we can take an idea from blank page to a polished, installable web app, not just deliver client sites. It anchors how we approach product work: low friction, offline-ready, and fast by default.
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