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.
App Overview
Baby Heartbeat Monitor - Molio
Baby Heartbeat Monitor – Molio
Free · In-app purchases
PRICE
Free
In-app purchases
BUSINESS MODEL
Freemium
No overall Grossing estimate available
RATING
★ 4.6
206 ratings · Top 15%
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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Build Kit
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A product spec, screen plans, and build steps for your coding agent.
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Combine features and design from your favorite apps.
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What's included15 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.
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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Free quick prompt For a smaller starting point
Quick prompt
Good fit for mobile-first iOS and Android prototypes with managed app scaffolding.
// RORK SYSTEM PROMPT
Rork plan preview for Baby Heartbeat Monitor - Molio: 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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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 advanced algorithms for better accuracy.
Assumption to check: Limited heart monitoring accuracy
Validate with people who use this workflow before building.
Hypothesis 2
Streamline subscription options and clearly outline benefits.
Assumption to check: Subscription confusion
Validate with people who use this workflow before building.
Hypothesis 3
Add a feedback mechanism to improve user engagement.
Assumption to check: Lack of user feedback options
Validate with people who use this workflow before building.
Hypothesis 4
Incorporate articles or videos about fetal health and development.
Assumption to check: No educational content on fetal health
Validate with people who use this workflow before building.
App evidence
Original App Store material. Ratings and screenshots describe the existing app, not proof of demand for your version.
App Store description
Baby Heartbeat Monitor – Molio Experience one of the most magical moments of pregnancy—hearing your baby’s heartbeat—right from your phone. Molio helps expecting mothers listen to their baby’s sounds using only their smartphone, creating a special bonding moment anytime and anywhere. Whether you're curious, excited, or simply want reassurance, Molio is designed to make it easier to connect with your baby during pregnancy. Listen to Your Baby Molio uses your phone’s microphone technology to help capture and amplify internal sounds, allowing you to listen for your baby’s heartbeat and movements in a calm and comfortable environment. Simple and Easy to Use You don’t need additional devices or complicated setup. Just open the app, place your phone gently on your belly, and start listening. Create Special Moments Pregnancy is filled with unforgettable milestones. Molio helps you enjoy a unique and emotional experience by bringing you closer to your baby. Designed for Expecting Mothers The app is designed with simplicity and comfort in mind so you can focus on the beautiful moments of pregnancy. Features • Listen to your baby’s sounds using your smartphone • Simple and intuitive interface • Quick and easy setup • Designed for comfort and ease of use • Enjoy bonding moments with your baby anytime Tips for Best Results • Use the app in a quiet environment • Place your phone gently on your lower abdomen • Try listening after the second trimester for better results • Relax and take your time while listening Important Disclaimer Molio is designed for entertainment and bonding purposes only. It is not a medical device and should not be used as a substitute for professional medical advice, diagnosis, or monitoring. Always consult your healthcare provider for medical concerns during pregnancy. Celebrate the journey of motherhood and create unforgettable bonding moments with your baby. Privacy Policy -> https://sites.google.com/view/davidwiseprivacypolicy/ana-sayfa Terms of Use -> https://sites.google.com/view/david-wise-terms-of-use/ana-sayfa
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Screenshots
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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.
SUGGESTED BUILD STACK
React Native
Expo
Supabase
react-native-svg
@supabase/supabase-js
BUILD KIT DIFFICULTY
Intermediate
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.
