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Apps for both Android and iPhone (iOS)
Apps for both Android and iPhone (iOS)Seconds after opening the right app, you can already listen to the tum-tum that confirms: there is life growing inside.
Current smartphones have hardly sensitive microphones to capture the sound of the fetal heart; The apps do the rest, filtering the noise around and expanding only what matters. Result? Parents, grandparents and friends accompany the baby's measure without leaving home, between a prenatal appointment and another.
The practice became darling because it combines emotion and practicality. In addition to keeping the family connected to the development of the small, the recording of the beats creates a sound diary that is forever.
Next, check out the most popular options - all free or with test versions - and see how each one comes to the task of turning the phone into a makeshift stethoscope.
✅ PREGNANCY TRAKER (Android)
The pregnancy tracker goes beyond the pregnancy calendar: it shows, week by week, the size of the baby, list health tips list validated by doctors and, in the midst of so much information, offers the function of listening to the beats.
Just support the microphone at the bottom of the abdomen and wait a few seconds; The app records the sound, saves in the gallery and still generates appointment reminders so you don't miss any checkup.
Those who like numbers find simple heart rate reports, ideal for sharing with the obstetrician by email or WhatsApp.
✅ My Baby's Beat (iOS)
Exclusive for iPhone, My Baby's Beat has won pregnant women by dispelling extra accessories.
The interface shows, in real time, sound waves that climb and down with each throb of the little heart.
The user can mark the capture date, name the file and send the audio to family members in a few touches.
Frequent updates have improved the noise reduction algorithm, but developers make it clear: use from the 16th week and preferably in a silent environment for better result.
✅ Hear My Baby Heartbeat (iOS)
Also for iOS , Hear My Baby Heartbeat bets on simplicity.
After an animated tutorial that teaches where to position the phone, the app begins to capture the sound and displays the estimated frequency in beats per minute.
Curious parents can create playlists with different recordings throughout pregnancy, comparing how the rhythm changes every quarter.
A direct sharing button for social networks ensures that no one in the family is left out of this moment.
✅ Hear My Baby Heartbeat Monitor (Android)
Android users find similar solution in Hear My Baby Heartbeat Monitor.
The app guides the microphone positioning, indicates if the environment is too noisy and, when it reaches a satisfactory signal, starts automatic recording.
You can rename the files, add observations - “first time the older brother heard”, for example - and switch everything for message. The support team responds in Portuguese and English, useful for those who need extra help in the first tests.
✅ How do apps to listen to the baby's heartbeat?
All cited apps follow the same logic: they capture sound through the internal microphone, apply digital filters to eliminate noise from the mother's own body, and expand frequencies between 110 and 160 bpm, typical range of the fetal heart.
The process does not issue electromagnetic waves or radiation; He just "listens" what already happens inside.
To use, remove the cover from the phone (it drown out the microphone), place the phone in airplane to avoid interference and support the device at the bottom of the belly, where the uterus is closer to the skin.
If nothing appears, change a few inches of position and try again.
These tools do not replace obstetric Doppler or regular consultations, but serve as an affective and practical complement.
They reinforce the family bond with the baby, help you realize variations in rhythm that deserve professional attention and record moments that, up front, saw unforgettable sound memory.
