Lull: Baby Feeding & Sleep Log
Baby tracker for Android
Log it half-asleep.
Feeds, sleep and diapers in one tap, a dark screen at 3am, and your baby's day at a glance. No account, no ads, and no internet access — the log stays on your phone.
What Lull does
Feeds, sleep and diapers in one tap, a dark screen at 3am, and your baby's day at a glance. No account, no ads, and no internet access — the log stays on your phone.
One tap, even at 3am
Tap Left or Right to start a breast feed, and Lull remembers the next side. Wet or dirty diapers in one tap, with Undo. Sleep starts and stops with a tap.
Dark by the clock
Night mode turns on by itself at your night hours, with a warm red option that keeps a dark room dark. Big targets for one thumb.
See the pattern
Today's totals, a 24-hour timeline, sleep and feeding patterns over the week, day and night sleep, and a weekly card to share with family.
Everything, still private
Bottles, pumping, solids, medicine, temperature, vaccines, growth on WHO charts, milestones and memories — all kept on your phone.
A closer look
It cannot leave your phone
A baby's log is health information. Lull has no account and does not even ask Android for internet access, so the log stays on the device by construction.
- No account and no sign-in
- No internet permission — nothing can be sent anywhere
- No ads, no analytics, no advertising ID, no location
- Export everything as CSV, or delete it all, from inside the app
- Never labels a number good or bad, never counts down to a missed nap
When people reach for Lull
A parent feeding at night
Baby latched, phone in one hand, screen dark. Which side was last, and how long ago?
The partner on the morning shift
You slept through the night feeds and want the night in one glance before the handover.
A pumping parent
Left and right amounts, a daily total and reminders — pumping treated as more than an afterthought.
Anyone asked by a doctor
How many wet diapers? When was the last fever? The answers are in two taps.
Parents of twins
Two babies, one phone. Add both, turn on Log for both, and one tap records the feed or diaper for each.
Parents of a baby born early
Add the due date, and the growth charts use corrected age instead of the birth date.
How this differs from the usual baby tracker
| Most apps | Lull |
|---|---|
| Widgets and basics behind a subscription | Every log and chart is free |
| An account before you can log | Open it and tap — no sign-up |
| Your baby's data on someone's server | No internet permission at all |
| Countdowns to a missed nap window | What happened, never a verdict or a prediction |
| Tips and promos inside the log | Nothing on Today but your baby's day |
| A timer that resets when the app closes | Timers kept as a start time, so closing the app or restarting the phone loses nothing |
| Your log locked inside their app | Every entry and every field exports as CSV, free |
Useful within a minute
Step 1: Add your baby
A name and a birth date. That is the whole setup.
Step 2: Tap to log
Left or Right starts a feed, Wet or Dirty saves a diaper, Sleep starts a timer. Hold any circle to set the time or details.
Step 3: Look back
Today shows the day's totals. Trends shows every entry on a 24-hour line and the week's patterns.
And it also does
- Bottle, formula or mixed, amount offered and finished
- Pumping with left and right amounts
- Solids, with the nine common allergens
- Medicine, temperature, symptoms and doctor visits
- Vaccine checklist for the US, UK or India
- Weight, length and head on the WHO growth charts
- Teeth, milestones, firsts with photos and memories
- White noise and lullabies with a sleep timer
- Your own activities with an emoji, timer or amount
- Reminders as a notification or an alarm, with snooze
- Millilitres or ounces; metric or imperial for growth and temperature
- Log for both, for twins
- Corrected age on the growth charts for babies born early
- A morning card with the night's feeds, diapers and sleep
- Star the tiles you use most to keep them on Today
- Short guides cited to the AAP, CDC, NHS and WHO
Questions
Can't find the answer you're looking for?
Do I need an account?
No. Add your baby's name and birth date and start logging. There is no sign-in at all.
Where is my baby's data stored?
Only on your phone. Lull does not request Android's internet permission, so it cannot send your log anywhere. Export CSV and Share this week go only where you choose.
Can two parents use it?
Not yet on two phones. Today, one phone holds the log, and a CSV export or Share this week gets it to the other carer.
Does Lull tell me if something is wrong?
No. Lull records what happened. It never labels a number good or bad and never predicts dates. For questions about your baby's health, ask your doctor or health visitor.
Is it free?
Yes. Logging, charts, reminders and export are free, with no ads.
Does Lull work offline?
Yes. It never goes online at all. Every log, chart, reminder and sound works with no signal. The noise and lullabies are made on the phone, not downloaded.
What happens to a timer if I close the app?
Nothing is lost. A feed or sleep timer is saved as the time it started, so closing Lull or restarting the phone does not stop the count. Switching sides mid-feed is one tap, and each side's time is kept.
Can I track twins?
Yes. Add each baby under You. With two babies, turn on Log for both and one tap records the entry for each of them.
What does the morning card show?
When your night hours end, Today shows the night in one card until midday: feeds, diapers, total sleep and which side is next. The night hours are the ones that switch night mode on, 9pm to 7am unless you change them.
Does Lull give feeding or sleep advice?
It shows a few short guides, each with its source: the AAP on safe sleep, the CDC on newborn feeds, the NHS on sleep and naps, and the WHO on growth. They are wide ranges, labelled as a guide, never a target your baby has to meet.
Is my data backed up?
Not by Lull, which holds no copy. If backup is on in your phone's settings, Android may include Lull's data in your own Google backup. Export a CSV any time if you want a copy of your own.
When is it out?
Soon, on Google Play.
Lull is a record-keeping app, not a medical device. It does not diagnose or give medical advice. Always ask your doctor or health visitor about your baby's health.
