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
ARBloodPressure:Health record
Why did you choose us?
Free · In-app purchases
PRICE
Free
In-app purchases
BUSINESS MODEL
Freemium
No overall Grossing estimate available
RATING
★ 3.2
39 ratings · Below Average
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.
Build your own version
Build Kit
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A product spec, screen plans, and build steps for your coding agent.
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What should your app do differently? Your note travels with the kit so your coding agent builds around your idea.
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 ARBloodPressure:Health record: map the core Health & Fitness 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 analytics and trends visualization.
Assumption to check: Limited features for advanced data analysis
Validate with people who use this workflow before building.
Hypothesis 2
Enhance UI for better readability and navigation.
Assumption to check: User interface might feel cluttered
Validate with people who use this workflow before building.
Hypothesis 3
Add social sharing or community support features.
Assumption to check: Lack of community features
Validate with people who use this workflow before building.
Hypothesis 4
Improve input methods and provide more guidance.
Assumption to check: Difficulties in data entry for users
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
Why did you choose us? ARBloodPressure:Health record can easily record and analyze your health data, including but not limited to blood pressure, heart rate, weight, blood sugar, etc. We also provide icon curve function, allowing you to observe your own health trends Main functions: 1. Record blood pressure: Our application supports users to record their blood pressure indicators, ensuring that you can clearly see your blood pressure health status in the first time 2. View your blood pressure trend: We use intuitive charts to allow you to clearly see their rising/falling blood pressure trends and stay informed about your physical health status in a timely manner 3. Record blood sugar: You can easily and quickly record your blood sugar levels using our application 4. Record heart rate: Our application also supports the function of recording heart rate. You can use our product to record your heart rate, track it at any time, and maintain your health status 5. Information reminder: We also support information reminder function, and you can set your own information reminder time. After setting reminders, it ensures accurate recording of their health indicators every day 6. Record body temperature: Our application supports you to record your own body temperature. After recording your temperature, we will generate a smart chart for you to see your temperature more clearly Privacy Policy: https://pkmub.healthplcma.com/privacyPolicy.html Service Terms: https://pkmub.healthplcma.com/termsOfService.html To unlock all our feature permissions, you can choose to unlock the premium version. We currently support weekly subscription, monthly subscription, and annual subscription, which correspond to $6.99, $7.99, and $29.99 respectively Disclaimers This application cannot be used as a medical device. If you have any health issues, seek medical advice, or make medical decisions, please consult your doctor
Written user reviews are not shown here. Check current App Store reviews >
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
Zustand
Supabase
react-native-svg
expo-notifications
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.
