Built for the most tired person in the house

The problem

A newborn doesn't care that you haven't slept. Somewhere around 3am, holding a baby in one arm, a parent is trying to remember: which side did we feed on last time, and how long ago? In that moment, the person using a tracker has the least patience, the least light, and exactly one free hand — and most of the questions that matter need answering in seconds.

We wanted Nestling to meet parents there: to answer the question instantly, include the insights they actually rely on, and let them own the app outright with a single, one-time price.

Constraints

Before a single screen was designed, we held ourselves to three rules:

• It has to work one-handed, half-asleep. If logging a feed takes more than a tap or two, the app has already failed the moment it matters most.
• Both caregivers, always in sync. Parenting is a relay. If one parent logs a feed, the other should see it instantly — no "who wrote this down?"
• One honest price, everything included. Logging, history, and the core insights a tired parent relies on are all part of the app — bought once, owned for good.

A baby tracker's job is to disappear — to give a parent the answer and get out of the way so they can get back to their child.

What we built

We designed Nestling around the single most common, most bleary-eyed action: starting a feed or a sleep. One tap begins it; Nestling even remembers the last nursing side, so the 3am question answers itself. Diapers, the same — a tap, done.

On top of that quiet core, we included the things parents quietly worry about: smart nap-timing suggestions for the next window, and clean growth charts — all part of the app, not a separate upsell. Everything syncs privately between caregivers, so both parents share one calm, current picture of the day.

The tech

A native SwiftUI app with a local-first data model and private sync across the family's own devices — fast, offline-capable, and built so a feed logged on one phone shows up on the other without a beat. The design language is deliberately soft and low-contrast-friendly for night use, with tap targets sized for a thumb, not a stylus.

The outcome

Nestling shipped to the App Store as a calm, pay-once baby tracker. New parents get one-tap logging that works at 3am, the insights they rely on included in one price, and a shared record both caregivers can trust — so the app fades into the background and the focus stays where it belongs.