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
CVS Health
Staying healthy
Free · In-app purchases
PRICE
Free
In-app purchases
BUSINESS MODEL
Freemium
No overall Grossing estimate available
RATING
★ 4.7
1,645,682 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 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.
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 CVS Health: 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
Make navigation more straightforward with clearer labels and grouping.
Assumption to check: Complex navigation structure can confuse users.
Validate with people who use this workflow before building.
Hypothesis 2
Optimize loading times and responsiveness.
Assumption to check: Some users report performance issues with the app.
Validate with people who use this workflow before building.
Hypothesis 3
Expand service offerings and provide more detailed information.
Assumption to check: Limited health service options compared to competitors.
Validate with people who use this workflow before building.
Hypothesis 4
Simplify the subscription process and enhance user guidance.
Assumption to check: In-app purchase process can be confusing.
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
Staying healthy. Saving time. Spending less. The CVS Health® app makes them all easier. Here’s how: Checking out. Easier. • Save with ExtraCare® and pick up prescriptions with a single scan (just tap “In-Store”). Saving money. Easier. • Get app-only deals and access all of your offers and rewards when you link your ExtraCare® card. • Make sure you never miss a deal by opting in to notifications. Get prescription and order updates too. • Plan out your shopping and saving with the weekly ad for your local store. Getting prescriptions. Easier. • Scan your barcode for faster prescription pickup once you attach a payment and signature. • Pay for your medications and have them delivered. • Order refills, check their status and see your prescription history. • Check drug interactions and information. Caring for your health. Easier. • Schedule vaccines for you and your family at a nearby CVS Pharmacy® or MinuteClinic®. • Video chat with a health care provider 24 hours a day, 7 days a week. • Find a nearby MinuteClinic® for general care and clinical services. • View wait times and schedule a clinic visit (restrictions apply). • Check available health care services and insurance coverage. Your benefits. Easier. • Eligible Caremark members can now access their member ID card, plan spending info and select plan details. • Eligible Aetna members can access their member ID card. Printing photos. Easier. • Order prints and more from your device and online albums for same-day pickup (select stores and products). Privacy Policy: https://www.cvs.com/retail/help/privacy_policy WA Consumer Health Privacy Policy: https://www.cvs.com/retail/help/WA_consumer_health_privacy_policy Please note: Continued use of GPS running in background can decrease battery life.
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
Axios
React Navigation
React Native Paper
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.
