Custom predictions
Choose the fields: sex, date, time, weight, height, first name, hair and eye color… plus your own question.
Free · No sign-up to join
Turn the wait into a game.
Bumpool lets you and your loved ones bet on baby's big day — sex, date, weight, first name and more. Set it up in a minute, reveal the winner after the birth.
Mobile apps coming soon
How it works
Three steps, zero hassle.
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1
Create your pool
Name the event, set the due date and pick what everyone will guess.
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2
Invite your circle
Share a link or QR code. Guests join in one tap — no account required.
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3
Predict & reveal
Everyone drops their predictions. Enter the real birth details and reveal the ranking with a podium.
Everything you need to make the wait fun
Automatic scoring
Points are computed for you, with a configurable scale and smart tie-breaks.
Podium & shareable image
Reveal an animated ranking and share a ready-to-post result image.
One-tap invites
Deep links and QR codes so everyone joins in seconds.
Works offline
Start instantly, fully offline. Optional sync across devices whenever you want it.
Multilingual
Available in 9 languages, auto-detected from your device.
So many things to bet on
Pick the predictions that fit your crew.
- Sex
- Birth date
- Birth time
- Weight
- Height
- First name
- Hair color
- Eye color
- Resemblance
- Delivery mode
- Your own question
Frequently asked questions
Is Bumpool free?
Yes. Create a pool, invite everyone and reveal the ranking at no cost.
Do my guests need an account?
No. They join with a link or QR code and fill in their predictions in one tap.
Does it work without internet?
Yes. Bumpool works fully offline by default. Turn on optional sync to share across several devices.
What can we predict?
Sex, date, time, weight, height, first name, hair and eye color, resemblance, delivery mode — plus any custom question you add.