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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.
NerumiYOUR DAY AT A GLANCE- Sleep
Feeding
Diaper change- Sleep
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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SleepFeedDiaper
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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.
03
Growth and vaccines, together
Follow WHO growth charts, organize vaccine records and create a concise PDF summary for appointments with your pediatrician.
Explore the doctor report
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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 and no tracking. Your records stay on your devices and, if you choose, sync only through your own iCloud account. To improve the app, we receive only anonymous usage statistics—never your records.
- ✓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.
— SametNERUMI 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 · 5 min
Read article ↗Baby wake windows: how useful are age-based charts?
What wake-window tables can tell you, what they cannot, and how to follow your baby's own pattern without watching the clock all day.
Privacy · 5 min
Read article ↗What happens to your data in a baby tracking app?
A practical privacy check for baby trackers: collection labels, permissions, accounts, sharing, and what Nerumi actually stores.
Growth · 5 min
Read article ↗How to read your baby's growth percentiles
What a percentile means, why one measurement is not a verdict, and how clinicians use the curve over time.
COMMON QUESTIONS
A few things you may want to know.
Does Nerumi collect or sell my data?
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Nerumi never sells data, and your records never reach us: they stay on your devices, and iCloud sync runs through your own Apple account. To improve the app, Nerumi receives only anonymous usage statistics that cannot identify you or your baby.
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↗