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Log in seconds
Start a sleep or feeding timer, or record a diaper change. You can do it from Apple Watch or a widget without opening the app on your iPhone.
NerumiSLEEP, FEEDS, DIAPERS, GROWTH AND VACCINES
Track your baby's day with Nerumi.
Keep sleep, feeding, diaper, growth and vaccine records in one place. Nerumi estimates when your baby may be ready for their next nap, keeps your care history on your devices, and can sync it through your own iCloud account.
Download Nerumi↗For iPhone, Apple Watch and widgets
Sleep patterns and next-nap estimatesWHO growth charts and vaccine trackingQuick logging from Apple Watch and widgetsNo account. No ads.
YOUR DAY AT A GLANCE
See your baby's day in one place.
Review sleep, feeds and diaper changes on a single timeline. Weekly patterns and shareable summaries make it easier to notice what has changed.
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SleepFeed
Diaper
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A helpful estimate for the next nap
Nerumi uses recent sleep logs and time awake to suggest a likely window for your baby's next nap.
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Growth and vaccines, together
Follow WHO growth charts, organize vaccine records and create a concise PDF summary for appointments with your pediatrician.
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Keep the moments you want to remember
Save milestones and photos alongside the everyday record, in a private timeline that belongs to your family.
iCloud
Private
Private
YOUR DATA STAYS WITH YOU
Your baby's care history belongs to you.
Nerumi has no ads or third-party analytics. Your records stay on your devices and, if you choose, sync only through your own iCloud account.
- ✓No Nerumi account required
- ✓Nerumi does not keep a copy on its own servers
- ✓Shared care records sync through Apple CloudKit
- ✓Your data is never used for advertising or profiling
A NOTE FROM THE MAKER
Built by one person. Every message gets read.
Nerumi started with a simple idea: on the most exhausting days, an app should ask less of you—not more. Feedback from families shapes every update.
— Samet
NERUMI ARTICLES
Clear answers, grounded in reliable sources.
Short, practical articles on baby sleep, growth, privacy and shared care—written to help you ask better questions, not replace medical advice.
Sleep · 4 min
Read article ↗Baby wake windows: how useful are the age-based charts?
Wake-window charts can be a helpful starting point, but they are not a schedule your baby has to follow.
Privacy · 3 min
Read article ↗What happens to your data in a baby tracking app?
How to see what an app collects, where your records may be stored, and how Nerumi approaches privacy.
Growth · 3 min
Read article ↗How to read your baby's growth percentiles
What a percentile means, what it does not mean, and why the shape of the growth curve matters more than one measurement.
COMMON QUESTIONS
A few things you may want to know.
Does Nerumi collect or sell my data?
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No. Nerumi has no ads or third-party analytics. Your records stay on your devices, and iCloud sync runs through your own Apple account.
Can Nerumi estimate my baby's next nap?
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Yes. Nerumi uses recent sleep logs and time awake to suggest a likely time window. It is an estimate, and every baby's rhythm is different.
Which growth charts does Nerumi use?
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Nerumi uses the official World Health Organization (WHO) growth standards. The charts support—not replace—conversations with your pediatrician.
Can I share care records with my partner or another caregiver?
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Yes. People you invite can view and update the same care records through Apple CloudKit, without creating a Nerumi account or sharing passwords.
AVAILABLE ON THE APP STORE
Nerumi is ready when you are.
Download Nerumi on iPhone and keep sleep, feeds, diapers, growth and vaccines together in one private timeline.
Download on the App Store↗