Lumi — Baby Tracker
Calm, smart parenting
Only for iPhone
Free · In‑App Purchases · Designed for iPhone. Not verified for macOS.
iPhone
Track sleep, feedings, diapers, and milestones in a single tap. Smart
predictions learn your baby's rhythm. Calm, ad-free parenting — built for
the exhausted nights.
Lumi is a calm, evidence-aware baby tracker for the early years.
Log sleep, feedings, diapers, and health in a single tap. Watch your
baby's day unfold in beautiful charts. Trust smart predictions that learn
from your baby's unique rhythm.
WHY LUMI
• Calm, parent-supportive design — no clutter, no anxiety
• All data stays on your device (iCloud sync optional)
• Built for the real exhausted-parent moments — single-tap logging,
glance-friendly home screen
• Premium that earns its keep — sleep predictions, lullabies, Live
Activity routine
WHAT YOU CAN TRACK
• Sleep — ongoing & finished entries, with cross-midnight handling
• Feeding — breast, bottle, solid; duration & amount
• Diaper — wet, dirty, mixed
• Health — medication, fever, vaccination, doctor visits
PREMIUM FEATURES
• Smart predictions — Lumi learns your baby's circadian rhythm and tells
you when the next sleep window is approaching
• Unlimited entries & full-history analytics — 30-day comparison cards,
daily trend charts, longest-stretch metrics, average bedtime
• Music-box lullabies — Brahms, Mozart, Frère Jacques and more, plus
natural soothing sounds (white noise, heartbeat, rain, ocean)
• Live Activity routine — your day flows live on the Lock Screen and
Dynamic Island; one-tap "Done" without unlocking
• Memory Board — 8 milestone keepsakes from welcome to age five, plus your
own moments with photos
• Smart insights — calm, evidence-aware suggestions based on real data
(AAP, WHO, NSF guidelines)
PRIVACY FIRST
Your baby's data stays on your device. We never see it. iCloud sync
(optional, via Sign in with Apple) backs up to your own private iCloud —
Apple's infrastructure, end-to-end encrypted.
NO ADS, EVER
Lumi makes money from premium subscriptions. No ads, no data sales, no
third-party trackers.
SUBSCRIPTION
• Monthly or yearly billing — cancel anytime
• Payment charged to your Apple ID at confirmation of purchase
• Subscription auto-renews unless canceled 24h before end of period
• Renewal charged within 24h before period end
• Manage in App Store account settings
Privacy Policy: https://asamilaydin.github.io/lumi-web/privacy.html
Terms of Service: https://asamilaydin.github.io/lumi-web/terms.html
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
The developer, Ahmet Samil AYDIN, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Ahmet Samil AYDIN
- Size
- 7.3 MB
- Category
- Health & Fitness
- Compatibility
Requires iOS 17.0 or later.
- iPhone
Requires iOS 17.0 or later. - Mac
Requires macOS 14.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later.
- iPhone
- Languages
English and 13 more
- English, Danish, Dutch, Finnish, French, German, Italian, Japanese, Norwegian Bokmål, Polish, Portuguese, Spanish, Swedish, Turkish
- Age Rating
4+
- 4+
- In-App Purchases
Yes
- Lumi Monthly $1.99
- Lumi Yearly $19.99
- Copyright
- © 2026 Lumi