What parents say

"Other apps I've used are nowhere near as slick."

— Liam, Aerin's dad

"I genuinely don't know where I'd be without it. Lost. I'd definitely be lost."

— Freija, Bonnie's mum

The story behind Millie's App

Origin

Millie's App started as a notebook. A new dad, jotting down feeds and naps in the small hours, slowly began to see a rhythm forming on the page — not a schedule, but a quiet pattern unique to his daughter. The app exists to give every parent that same feeling: not more data, but more understanding.

Built by a parent, for parents. Named after Millie.

What it does

1. Quick gentle tracking

One-tap logging for feeds, sleep, nappies, baths, vitamins and tummy time. Open logs you can edit at any time, with reminders that nudge rather than nag.

2. Beyond charts — narrative summaries

Daily and weekly summaries written in plain language, not just graphs. A short story of your baby's day so you actually understand it at a glance.

3. Pattern insights

The app surfaces the rhythms that are already there — when feeds tend to cluster, when long naps usually fall, when the day starts to settle.

4. Phase-aware guidance

Insights adapt to your baby's developmental phase, so the app meets you where you are rather than treating week one and month nine the same.

5. Confidence battery

A gentle confidence model that fills up as you track consistently — so you can take days off without losing your rhythm view. Tracking should support family life, not run it.

6. And much more

Partner sharing, growth percentiles, milestone reassurance, vaccine reminders, and a learning library that grows with your baby.

Built around 8 developmental phases

Millie's App adapts as your baby grows. Each phase changes what the app shows and how it helps — gentle night-mode tracking in the newborn weeks, childcare handover support later on, solids preferences when food comes in.

Newborn (0–4 weeks): No day or night yet — gentle round-the-clock tracking, no judgement, no schedule pressure.
Early Regulation (4–8 weeks): The first hints of rhythm. Night mode quietly appears as circadian patterns begin.
Social Awakening (8–12 weeks): Your baby is waking up to the world — the app starts surfacing pattern shifts.
Rhythm Building (3–4 months): Patterns become clearer, days feel a little more steady.
Mobility Preparation (4–6 months): New skills and shifts — sleep changes are explained, not flagged.
Active Exploration (6–8 months): Solids tracking begins (what they liked, what they didn't), sitting, scooting.
Communication Emerging (8–10 months): Babble, cues and childcare handover support for nurseries and grandparents.
Intentional Interaction (10–12 months): Heading toward the first birthday — opinions, preferences, and a clearer rhythm to share.

Pricing

Free

Everything you need to understand your baby's day.

Log feeds, sleep, nappies, tummy time, baths and vitamins
Daily and weekly narrative summaries
Age-based developmental phase guidance
Growth tracking with WHO percentile charts
Milestone timeline with reassurance context
Vaccine and vitamin reminders
Shared access for partners and caregivers

Rhythm+ — €3.99/month or €29.99/year (early access)

For parents who want help anticipating changes, not just recording them. Standard price €6.99/month. Early supporters keep the early access price.

Next feed and next nap predictions
Tonight's sleep forecast
Weekly rhythm narrative explaining behaviour patterns
Regression and routine-shift detection
Childcare-day pattern recognition
Import past data from screenshots or notebook photos
Confidence-aware insights that adapt as data builds

For Kraamzorg organisations

Millie's App partners with Kraamzorg organisations to give carers a shared digital view of every family in their care during the first days at home. Carers see live family dashboards, handover summaries, and clinical attention flags. Families get a gentle companion that stays with them long after the care period ends.

Free for Kraamzorg organisations and the families they refer.

Learning Hub

A growing library of phase-by-phase parenting articles for the first year. Browse the Learning Hub.