Report updated Apr 5, 2026

What Is Baby Heartbeat Monitor - Molio?

Baby Heartbeat Monitor - Molio is a specialized Medical category app that enables expecting mothers to listen to their baby's heartbeat using only their smartphone's microphone. It positions itself as a non-medical bonding tool, eliminating the need for external hardware. The app is currently showing strong market performance, ranking #44 in Grossing for its category in the US.

What are the key features?

Microphone-based Heartbeat DetectionDifferentiator

Uses the smartphone's built-in microphone to capture and amplify internal sounds for fetal heartbeat monitoring.

Intuitive User InterfaceStandard

Simple, clean design focused on ease of use for expecting mothers.

Bonding ExperienceStandard

Designed specifically to facilitate emotional connection between the mother and baby during pregnancy.

Quick SetupStandard

Requires no additional hardware or complicated configuration to start listening.

What do users think? iIndependent intel reports to help builders create better apps or enhance existing ones. Still in beta, accuracy and relevancy get better every day. For informational purposes only.

Gathering public signals...

Sentiment analysis will be available once enough user reviews are collected.

How is it ranked?

ChartRankChange
Grossing#445
No rank history available for this chart.

What are the pros and cons?

Pros

  • High user rating (4.68/5.0)
  • Hardware-free technology lowers user friction
  • Strong category ranking (#44 Grossing)

Cons

  • Limited feature set compared to full pregnancy trackers
  • Lack of social media or web presence
  • Dependency on varying smartphone microphone quality

What is the market outlook?

Growth Opportunities

  • Social sharing features for heartbeat recordings
  • Integration with broader pregnancy ecosystems
  • Adding educational content to increase DAU

Market Threats

  • Feature replication by market leaders like Pregnancy+
  • Regulatory scrutiny of fetal monitoring apps
  • Direct competition from established niche rivals like Hear My Baby

Who competes with Baby Heartbeat Monitor - Molio?

The Nemesis

Pulsey: Hear My Baby Heartbeat

Pulsey: Hear My Baby Heartbeat

John Hetfield

The most direct competitor using identical smartphone microphone technology to capture and amplify fetal heart sounds without external hardware.

+

The most direct competitor using identical smartphone microphone technology to capture and amplify fetal heart sounds without external hardware.

Contenders

+

A strong alternative that mirrors the simplicity and non-medical bonding messaging of Molio.

+

Microphone-based Heartbeat Detection

Peers

Pregnancy + | Tracker App

Pregnancy + | Tracker App

Philips Digital UK Limited

The market leader in pregnancy tracking; while broader, it captures the same user base looking for pregnancy milestones.

+

The market leader in pregnancy tracking; while broader, it captures the same user base looking for pregnancy milestones.

New Kids on the Block

Pulse: Metronome Haptic+Quiet

Pulse: Metronome Haptic+Quiet

George King

A newer entrant specifically targeting the microphone-based heartbeat monitoring niche with a modern UI.

+

A newer entrant specifically targeting the microphone-based heartbeat monitoring niche with a modern UI.

What are the key takeaways?

Baby Heartbeat Monitor - Molio is a divisive medical app that is completely free. With a 4.7/5 rating from 75 reviews, it receives mixed feedback from users.

Best for: Expecting mothers looking for a simple, non-medical way to bond with their baby through sound during pregnancy.

How much does it cost?

Model: free

Tiers:
Free to download and use

While listed as free, its #44 Grossing rank in the Medical category indicates a successful monetization strategy via in-app purchases or subscriptions not detailed in the primary description.

iOS Version

1.5

Release Date

Mar 12, 2026

iOS Price

Free

Independent intel to help builders create better apps.

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Cite this report

Marlvel.ai. “Baby Heartbeat Monitor - Molio Intelligence Report.” Updated Apr 5, 2026. https://marlvel.ai/intel-report/medical/com-david-wise-molio

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