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
PMcardio for Individuals
PMcardio – AI ECG Interpretation Assistant.
Free · In-app purchases
PRICE
Free
In-app purchases
BUSINESS MODEL
Freemium
No overall Grossing estimate available
RATING
★ 4.5
330 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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What's included16 files
A product spec, phased build plan, differentiation notes, and screen references.
- START_HERE
- AGENTS
- EVIDENCE
- SPEC
- BUILD_PLAN
- DIFFERENTIATION
- skills/
- screens/
Preview a sample Build Kit No email needed
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 PMcardio for Individuals: 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
PMcardio – AI ECG Interpretation Assistant. Get instant AI-powered ECG interpretations that offer reassurance anytime, anywhere. Trusted by over 100,000 healthcare professionals, PMcardio provides rapid, accurate ECG analyses right in your pocket, designed specifically for emergency physicians, general practitioners, nurses, paramedics and cardiologists. Why Choose PMcardio? • Instant AI ECG Image Analysis: Simply snap a photo of any 12-lead ECG—paper or screen—and get an immediate interpretation. • Trained on Millions of Patients, Backed by Leading Institutions. • Detect Hidden STEMI Equivalents: Advanced Queen of Hearts™ model uncovers life-threatening occlusive myocardial infarctions (OMI) patterns even without clear ST elevation. • ECG AI Explainability Heatmaps (STEMI): Understand the diagnosis with lead-by-lead importance and heatmaps showing AI decision features with ECGxplain™. (Pro plan) • 36 Core Diagnoses: Includes advanced rhythms, arrhythmias, conduction abnormalities, heart-blocks and hypertrophies detection. • Clinically Validated in 19 Independent Studies: 2x more accurate than conventional ECG algorithms and Standard of Care ECG interpretation. • 12 Medical ECG / EKG Measurements: Get automatic readings of heart rate, cardiac axes, P wave, PR, QRS and QT/QTc intervals (for QT monitoring during antipsychotic drug therapy). (Pro plan) • AI Confidence Indicators: Know when an ECG result needs further review with visual confidence scores. (Pro plan) • Digitize & Share ECG Reports: PMcardio acts as your mobile ECG reader, enabling archiving and sharing of detailed reports. Start for Free Today: • Enjoy the Free Plan with 5 free ECG analyses per month. • Upgrade to Pro Plan for ECG capacity that meets the needs of daily clinical workflows, with AI explainability (blue heatmap of AI decision), advanced ECG measurements, and extended report history. Download PMcardio now to join 100,000+ healthcare professionals using the world’s most advanced ECG reader app. PMcardio AI ECG Modules are regulated as medical devices and are intended for use by healthcare professionals. Indications for use are available here: https://www.powerfulmedical.com/indications-for-use/ Disclaimer: Certain AI ECG Modules are CE-marked medical devices under EU MDR and only certified for marketing in the European Union and the United Kingdom. AI ECG Modules have not yet been cleared by the US Food and Drug Administration (FDA) for marketing in the USA. Not all modules of PMcardio for Individuals may be available in your region. Terms and Conditions: https://www.powerfulmedical.com/legal/pmcardio-terms/ Privacy Policy: https://www.powerfulmedical.com/legal/pmcardio-privacy/
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
Allow users to add custom symptoms with defined severity levels.
Assumption to check: Limited customization options for symptom tracking
Validate with people who use this workflow before building.
Hypothesis 2
Introduce a forum or support section for users to share experiences.
Assumption to check: No community support or engagement features
Validate with people who use this workflow before building.
Hypothesis 3
Add push notifications to remind users to log their symptoms daily.
Assumption to check: Lack of reminders for logging symptoms
Validate with people who use this workflow before building.
Hypothesis 4
Offer more valuable premium features, like personalized health tips.
Assumption to check: In-app purchase limitations
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
Expert
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.
