Place your phone on your bump
Rest the microphone end gently on your belly, low and to one side is a good start.
Badum: Baby Heartbeat Monitor & Kick Counter
Hear your baby's heartbeat and kicks at home
Place your phone on your bump, press record, and keep every little sound. Amplify, save and share with dad and family. On iPhone and Android.
Most parents first pick up sounds between week 20 and week 26. Available on iPhone and Android.
Uses your phone's microphone only. No ultrasound, no emissions. Not a medical device.
Last updated:
A peek inside
Badum app screens: heartbeat journal, recording and kick counter
Your journal on the home screen, a warm glow while you record.
How it works
How Badum works: hear your baby's heartbeat with your phone
Find a quiet room, lie back comfortably, and let Badum do the listening.
Press record
One tap starts listening. Slide the amplify and noise-reduction controls until the sound is clear.
Listen & share
Save the recording to your journal, name it, and send it to dad, grandma and anyone who needs a smile.
Features
Badum features: listen, record, kick counter, share
Simple tools, no accessories, and a keepsake that grows week by week.
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Listen & amplify
Boost the soft sounds from your belly and dial down room noise with two simple sliders.
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Record & save
One-touch recording. Every clip lands in your heartbeat journal, dated and ready to replay.
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Kick counter
Tap along with every kick and roll. Sessions are saved so you can look back on busy days.
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Share with dad & family
Send a recording or a due-date card in a tap. Perfect for partners away and grandparents far off.
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Works from around 20 weeks
Sounds get easier to catch as baby grows. Keep trying, every pregnancy is different.
Reviews
Badum reviews: what parents say
Real App Store and Google Play reviews, quoted as written.
it nice to use this to calm yourself and the baby
— Carmina Salamanca, 24 Aug 2026 · 5/5
I hope the baby is born healthy.
— 河出真由, 3 Jul 2026, translated from Japanese · 5/5
I highly recommend this app.
— Johana Ferreira, 2 Jul 2026, translated from Spanish · 5/5
Meet the Harpers
Meet the Harpers: Badum's animated pregnancy reels
Animated shorts about a bump with a very busy tenant. Tap a card for the full reel with sound, and follow along.
FAQ
Frequently asked questions about Badum
When can I hear the heartbeat?
Many parents first pick up sounds from around 20 weeks, once baby is bigger and closer to the belly wall. Every pregnancy is different: baby's position, where the placenta sits and background noise all matter. If you don't hear anything yet, try again in a quiet room a week or two later. What you hear can include blood flow and body sounds as well as heartbeat. Read more →
Is it safe?
Badum only listens through your phone's built-in microphone. It doesn't emit anything: no ultrasound, no sound waves, no signals of its own. It is simply your phone's microphone, amplified. Read more →
Is it a medical device?
No. Badum is a keepsake and bonding app, not a medical device. It does not measure, diagnose or keep track of your baby's health, and it does not replace prenatal care. If you're worried about your baby's movements or anything else, contact your midwife or doctor. Read more →
iPhone or Android?
Both. Badum is on the App Store for iPhone and iPad, and on Google Play for Android phones and tablets. iPhone guide → Android guide →
Do I need a doppler?
No. You don't need a fetal doppler or any accessory. Badum works with just your phone. Headphones help you hear more detail while you listen live. Read more →
Why not just use a voice recorder app?
A voice recorder records at one fixed level and does nothing about room noise. Badum amplifies the sounds from your bump while you listen, lets you reduce noise with a slider, and keeps every recording in a journal by pregnancy week. Read more →
Badum is not a medical device and does not provide a medical diagnosis or replace prenatal care. Always talk to your doctor or midwife about your pregnancy and your baby's health.