Help shape Tumbuh from the start.
We're looking for families who'll use Tumbuh every day for 8 weeks and tell us what helps and what gets in the way. There are four groups of 2–5 families each, starting in Greater Jakarta.
- ✓ 8 weeks
- ✓ 2–5 families per group
- ✓ Greater Jakarta first, 2 more cities later
Pick the group that fits you best
Each group tests a different part of Tumbuh. You need to meet every condition in your group.
Working parents, nanny at home
A nanny or helper looks after your child at home while you both work.
- ✓Both parents work outside the home at least 4 days a week
- ✓Your child (0–3) is with a nanny or helper at least 6 hours a day
- ✓The nanny has her own Android phone with internet
What it tests: The caregiver app, the family chat and tasks from parents.
Apply for the beta →Looked after by grandparents
A grandparent helps look after your child, at home or in another city.
- ✓A grandparent looks after your child at least 3 days a week
- ✓The grandparent already uses WhatsApp
What it tests: Whether the big buttons work for older caregivers.
Apply for the beta →Born early or growth to watch
Your child was born early or small, or a doctor is keeping an eye on their growth.
- ✓Born before 37 weeks or under 2,500 g, or a doctor is following their weight or height
- ✓You have a Buku KIA or KMS card with entries
- ✓Regular check-ups with a doctor or posyandu
What it tests: Buku KIA scanning with your approval, corrected-age growth charts, the doctor document check.
Apply for the beta →Starting solids and picky eating (6–24 months)
Your child is starting solids and you want to know whether they're getting enough.
- ✓Your child is 6–24 months and has started or is about to start solids
- ✓You're worried about intake or food refusal
- ✓Formula or UHT milk every day
What it tests: Meal photos, milk labels and scoops, today's nutrition and the weekly summary.
Apply for the beta →
What we ask
- ✓Log at least 5 days a week
- ✓A 15-minute chat every week, by phone or message
- ✓One interview at the end
- ✓Report problems straight from the app
What you get
- ✓12 months free, lasting 14 months
- ✓The doctor document check, free
- ✓Help moving your Buku KIA in
- ✓A direct line to the team and a say in what we build
How we choose
- 1Apply. Fill in the form below and pick the group that fits best.
- 2A short chat. We call shortlisted families for a 15-minute chat.
- 3Invitation. Chosen families get an invitation to Tumbuh.
- 48 weeks together. Use it every day, talk to us every week.
Application form
Places are limited. If your group is full, you go on the waiting list. Tumbuh staff and their families can't take part. Health workers can, one family per group.