Feeds
Breast, bottle, formula or solids — duration or quantity, with a timer if you want one.
Private beta · Ghana, Nigeria & Senegal first
Baby notes, as easy as ABC.
A baby health log for the people doing the caring — parents and grandparents, nannies and family — to share with your doctor when it matters.
Free for everyone. One email at launch, no newsletter.
1 tapto log a feed
Offlinefirst, always
You choosewhat your doctor sees
Today, in the app. Every entry keeps the name of whoever wrote it.
Designed for the 3am feed
One hand, one tap, eyes half open.
Most baby apps are built to be browsed. Yaseen is built around the four seconds you actually have.
Built for one thumb
Everything you tap sits in the bottom third of the screen. Nothing important is out of reach.
One tap, no confirm
A tap logs the last amount you used and shows an undo. No sheet, no save button, no keyboard at 3am.
Night mode by design
A warm dark screen instead of harsh white on black — readable without waking the room.
Works with no signal
You never lose a feed when the network drops.
The quick-log dock, one thumb away.
What you track
The whole day, in the order it happened.
Diapers
Wet or soiled in a single tap, so the pattern is there when the doctor asks.
Sleep
Naps and nights, totalled by day. Patterns, never guesses about why.
Growth & measurements
Weight, length, head circumference and temperature, kept beside the birth metrics.
Observations
Symptoms with severity, notes and a photo for a rash or an injury.
Appointments
Upcoming visits, reminders and the questions you meant to ask.
Inside the app
Not a mockup. This is the build.
-
ObservationsSymptoms with severity, notes and a photo. Open until you resolve them. -
VisitsThe next appointment and the questions you meant to ask. -
Quick logFour targets, each pre-filled with the last amount you used. One tap logs it. -
The recordBirth metrics, conditions and allergies in one place. -
OfflineEntries save on the phone and sync when you reconnect.
Sharing & access
Your doctor sees what you tick. Nothing else.
Access is an invitation you create. You choose which parts of the record it covers and the date it ends, and you can withdraw it in one tap. Every time someone opens the record it is written down, where you can see it.
-
You choose the sections — one by one: profile, care logs, measurements, observations, appointments.
-
Expiry dates — every invitation ends on a date you set, and withdrawing it is one tap from the same screen.
-
Co-caregivers, separately — a nanny can get logging-only access without seeing the medical history.
One active invitation, five sections, an end date and a button to withdraw it.
The point
Written down once, at 3am, with one hand.
Not a tracker that wants your attention. A record that holds what happened and hands it to your doctor in a form they can read in seconds.
Free for everyone — every baby and every caregiver you add to one.
Join the waitlist
Questions
Before you sign up.
Who is Yaseen for?
Anyone keeping the log: parents, grandparents, nannies and anyone else who helps. Several people can log for the same baby, each with their own level of access, and every entry records who wrote it.
Is it a medical device?
No. Yaseen records what you observed and does not diagnose or advise. It works alongside the child health record book from the clinic and takes the place of the notebook you keep at home — written so a doctor can read it quickly.
What happens to the data?
It stays yours. Held in the EU — the database is in Paris, the closest region to the three launch countries — never sold, never used to train anything and deletable in full whenever you want. A doctor only ever sees what you have shared, and only for as long as you allow it.
When does the beta open?
Late October, Ghana, Nigeria and Senegal first, in small groups so we can talk to everyone. Waitlist order is roughly the order we invite.
What will it cost?
Nothing. Yaseen is free for everyone right now — as many babies and as many caregivers as you need, with no feature held back for a paid tier. If that ever changes we will tell you before it does, not after.
Private beta
Join the waitlist.
We're inviting people in small groups from late October, and we read every reply. Tell us who you are and we'll shape the first release around it.
Late Octfirst invites
West AfricaGhana, Nigeria and Senegal
Freefor everyone