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
MedBay: Smart Medicine Cabinet
When was the last time you checked your medicine cabinet?
$1.99 · In-app purchases
PRICE
$1.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
★ 5.0
1 ratings · Top 5%
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 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 MedBay: Smart Medicine Cabinet: map the core Lifestyle 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 additional reminder systems, such as push notifications.
Assumption to check: Users often forget to take their medications.
Validate with people who use this workflow before building.
Hypothesis 2
Enhance the UI to better categorize and display medications.
Assumption to check: Managing multiple medications can be confusing.
Validate with people who use this workflow before building.
Hypothesis 3
Add a feature to share medication schedules with family members.
Assumption to check: No social sharing features for medication management.
Validate with people who use this workflow before building.
Hypothesis 4
Include links to medical resources or medication guides.
Assumption to check: Lack of detailed medication information or resources.
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
When was the last time you checked your medicine cabinet? Studies show over 80% of households have expired medicines at home. Expired drugs aren't just ineffective -- they can be harmful to your family's health. MedBay is your family's "medical supply station" -- the simplest way to keep every medicine safe and accounted for. SIMPLE 3-STEP ENTRY No more tedious record-keeping. Enter the name, pick the expiry date, snap a photo -- done in three taps. Pre-set tag clouds make logging even faster than sticking labels. EXPIRY STATUS, INSTANTLY CLEAR Open the app and instantly see every medicine's status: - Safe -- Plenty of shelf life remaining - Expiring Soon -- Use these first - Expired -- Remove immediately SMART NOTIFICATIONS, NEVER FORGET Three automatic reminders for every medicine: - 90 days before expiry -- Gentle heads-up - 30 days before expiry -- Time to use or replace - On expiry day -- Urgent alert Never worry about forgetting to check your cabinet again. PHOTO-POWERED RECOGNITION Snap a photo of each medicine box. Perfect for family communication. "What does this medicine look like?" "Where did I put it?" -- Just check the photo. DASHBOARD OVERVIEW The home screen shows real-time counts of expired, expiring, and safe medicines. Alert banners highlight urgent issues at a glance. BEAUTIFULLY DESIGNED Soft UI aesthetics with warm ivory and sage green tones, gentle shadows, and rounded typography. Managing your medicine cabinet has never looked this good. PRIVACY FIRST All data is stored locally on your device. Nothing is uploaded to any server. Your health information stays yours -- always. WHO IS IT FOR? - Family Health Managers -- Keep your household stocked and organized - Young Professionals -- Taking care of yourself, made effortless - Chronic Condition Patients -- Reliable inventory for long-term medication MedBay -- Every medicine, at its best.
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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
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@react-native-async-storage/async-storage
react-native-paper
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BUILD KIT DIFFICULTY
Starter
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.
