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
BCBSIL
The Blue Cross and Blue Shield of Illinois (BCBSIL) app provides access to the Blue Cross and Blue Shield of Illinois member information and resources
Free · In-app purchases
PRICE
Free
In-app purchases
BUSINESS MODEL
Freemium
No overall Grossing estimate available
RATING
★ 4.7
18,484 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/
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 BCBSIL: 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
Integrate popular health device APIs for enhanced tracking.
Assumption to check: Limited integration with third-party health devices
Validate with people who use this workflow before building.
Hypothesis 2
Simplify navigation and prioritize essential features.
Assumption to check: Cluttered user interface with too many options
Validate with people who use this workflow before building.
Hypothesis 3
Optimize backend processing for faster responses.
Assumption to check: Inconsistent performance with claim submissions
Validate with people who use this workflow before building.
Hypothesis 4
Implement AI-driven recommendations based on user data.
Assumption to check: Lack of personalized wellness recommendations
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
The Blue Cross and Blue Shield of Illinois (BCBSIL) app provides access to the Blue Cross and Blue Shield of Illinois member information and resources. BCBSIL app also provides shopping information such as getting a quote and tracking an application. Members can: • Login, register or change password • Easily access coverage, claims, and ID • Check deductible and out of pockets amounts • Find an in network doctor, hospital or facility • Find a nearby urgent care facility • Estimate the costs of procedures, tests and treatments • View patient reviews and average wait time • Search for doctors that speak Spanish • View medical benefits and copay levels • View pharmacy benefits and copay levels • Send ID to Apple Wallet for offline access • View their Explanation of Benefits • Log in via Touch ID • Share ID Card • Members with applicable pharmacy coverage can search for drug information and cost estimates, view and compare nearby pharmacies, and view reminders related to their prescriptions • Members with applicable coverage can access MDLive for virtual visits with a doctor (MDLive uses allergies and medications from your HealthKit when requesting a virtual visit)
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
Supabase
Zustand
expo-router
react-native-reanimated
BUILD KIT DIFFICULTY
Advanced
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.
