App Overview

Hear My Baby Heartbeat App icon

Hear My Baby Heartbeat App

FCP Ltd · Medical

Trusted by over 500,000 families

Free · In-app purchases

PRICE
Free
In-app purchases
BUSINESS MODEL
Freemium
No overall Grossing estimate available
RATING
★ 3.9
7,463 ratings · Top 50%

Evidence scope: No current overall US chart position is available. Category-chart positions shown in discovery are a separate scope. Revenue is a directional model estimate, not verified earnings.

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A product spec, screen plans, and build steps for your coding agent.

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What's included17 files

A product spec, phased build plan, differentiation notes, and screen references.

  • START_HERE
  • AGENTS
  • EVIDENCE
  • SPEC
  • BUILD_PLAN
  • DIFFERENTIATION
  • skills/
  • screens/
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Illustrative example: an invoice app for independent contractors. Your kit is tailored to the app you choose; this is not its generated content.

Feature spec

Goal: Send a clear invoice after finishing a job.

  • Add a client, line items, a due date, and payment instructions.
  • Preview the total before exporting a PDF.
  • Keep an editable draft if export fails.

Screen plan

Invoice editor: Client at the top, editable line items in the middle, total and preview action at the bottom.

States: Empty draft, validation errors beside each field, exporting, and a retry action that preserves the draft.

Differentiate and validate

Hypothesis: Contractors need faster repeat invoices more than more templates.

First experiment: Test duplicating a previous job with five contractors. Watch where they hesitate before expanding the feature set.

The full kit adds a phased build plan, evidence notes, tool prompts, and implementation guidance. It is a plan for your coding agent, not a finished app.

Usage: Mechanics are fair game; never reuse the original name, branding, assets, or verbatim copy.

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Quick prompt

> SELECT BUILD PLATFORM:

Good fit for mobile-first iOS and Android prototypes with managed app scaffolding.

// RORK SYSTEM PROMPT
Rork plan preview for Hear My Baby Heartbeat App: map the core Medical workflow, choose the smallest differentiated feature set, define the data and monetization boundaries, then prototype the riskiest user journey first.
            

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App evidence

Original App Store material. Ratings and screenshots describe the existing app, not proof of demand for your version.

Screenshots

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App Store description

Trusted by over 500,000 families. The original, best-in-class baby heart sounds app to hear baby beat at home with your iPhone. Hear My Baby uses your iPhone microphone to help you listen to baby heart sounds. HMB 2.0 adds AI chat support, tailored tutorials, and pregnancy reveal videos (+ your heartbeat) to help you get results faster, and is now free to download. Why parents choose Hear My Baby Heartbeat App - Hear your baby’s heartbeat using the iPhone’s built-in microphone — no accessories required - AI chat support provides step-by-step help with setup, positioning and recording conditions - Enhances low-frequency audio captured by the iPhone microphone to help users listen for and save special pregnancy sounds. - Tailored tutorial adapts to your stage of pregnancy and setup - Create baby sex reveal videos (+ your heartbeat) to share the moment - Record & save clips; build a personal timeline you can revisit - Share easily with family and friends (Instagram, WhatsApp, email) - Designed by parents with expertise in sound engineering, AI and app development; warm, honest guidance throughout - Privacy first — you control what’s saved and shared Real 5 Star Reviews "I never leave reviews, let along pay for apps but let’s just say I tried this , and it def works" - Lov3r_Gurl IG (USA Sept 2025) “I always find 'it' (sic) eventually and the rhythm is clear and strong. I love that I can record them to keep.” - T Lucker (Australia 2025) "I downloaded this very skeptical... It took me about 45 minutes of laying down, very still, with noise canceling headphones on, but I HEARD IT. I am almost 18 weeks pregnant. From one momma to the next, it’s worth it." - Baby'sHeartbeat (2025) “It took some time and patience... thank you for creating this cheap, awesome technology to use at home.” — Niki “I was skeptical at first. Great app! Worth it.” — Legretta How it works - Hear My Baby uses your iPhone’s microphone to listen for abdominal sounds; it is not a doppler and doesn’t emit ultrasound. It’s a lifestyle keepsake for bonding and sharing, not a medical device and not for diagnosis. - Our advanced audio engine isolates and amplifies fetal heartbeat sounds so you can listen and save the recording, and trim it to the appropriate moment for sharing quickly and easily. - Best from around 16+ weeks; clearest for many families at ~27 weeks. Results vary with baby’s position and placenta location. Tips for best results - Be still, breathe lightly, and try several positions around your bump - Press the mic firmly against the skin; explore low and to the sides - Bluetooth/over-ear headphones can make subtle sounds easier to hear Important Hear My Baby is not a medical device and doesn’t replace prenatal care. If you’re concerned about anything in your pregnancy, please consult your clinician. Seek a doctor’s advice if you have any concerns. You can switch to Airplane Mode while using the app. Privacy Your moments are yours. You decide what to keep or delete — and who gets to hear them. Subscribe to access to premium app features; subscription details are the following: - Length: weekly, yearly - Your payment will be charged to your iTunes Account as soon as you confirm your purchase - You can manage your subscriptions and turn off auto-renewal from your Account Settings after the purchase - Your subscription will renew automatically, unless you turn off auto-renew at least 24 hours before the end of the current period - The cost of renewal will be charged to your account in the 24 hours prior to the end of the current period - When cancelling a subscription, your subscription will stay active until the end of the period. Auto-renewal will be disabled, but the current subscription will not be refunded - Any unused portion of a free trial period, if offered, will be forfeited when purchasing a subscription Terms of Use: https://www.hearmybabyapp.com/eula

Written user reviews are not shown here. Check current App Store reviews >

Opportunities

AI-GENERATED OPPORTUNITY HYPOTHESES

These are generated suggestions, not verified review quotations. Check current App Store reviews and speak with users before treating a possible gap as a requirement.

Hypothesis 1

Implement high-quality audio recording and playback features

Assumption to check: Limited audio quality and playback options

Validate with people who use this workflow before building.

Hypothesis 2

Design a more cohesive and user-friendly interface

Assumption to check: Inconsistent user interface and experience

Validate with people who use this workflow before building.

Hypothesis 3

Add options to share recordings with family and friends

Assumption to check: Lack of sharing features for recordings

Validate with people who use this workflow before building.

Hypothesis 4

Implement better organization and search features for recordings

Assumption to check: Difficulties in finding past recordings

Validate with people who use this workflow before building.

Build scope

Plan a focused first version with your coding agent. These are planning assumptions, not a delivery guarantee.

Define the first version

Choose one audience and one core workflow. Use the kit to agree on its screens, data, and acceptance criteria before building.

Set boundaries

Decide which secondary features, integrations, and platform support can wait. Your version does not need to reproduce everything in the original.

Check the hard parts

Validate external services, specialist technology, data access, and ongoing costs for your chosen scope.

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BUILD KIT DIFFICULTY
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From the Build Kit assessment.

A reliable timeline needs an agreed scope and a technical check. Ask your agent to estimate the phases in BUILD_PLAN.md after that review.