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
Wallet Creator - Pass Cards
Turn any document into a card in Apple Wallet with PassCard.
Free · In-app purchases
PRICE
Free
In-app purchases
BUSINESS MODEL
Freemium
No overall Grossing estimate available
RATING
★ 2.9
20 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.
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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 Wallet Creator - Pass Cards: map the core Shopping 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
Offer more flexible design tools for users to personalize their cards.
Assumption to check: Limited customization options for pass cards
Validate with people who use this workflow before building.
Hypothesis 2
Implement a cleaner layout with better visual hierarchy.
Assumption to check: Cluttered user interface
Validate with people who use this workflow before building.
Hypothesis 3
Optimize app speed and responsiveness for low-end hardware.
Assumption to check: Inconsistent performance on older devices
Validate with people who use this workflow before building.
Hypothesis 4
Introduce clearer navigation paths and user onboarding.
Assumption to check: Difficult navigation between different sections
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
Turn any document into a card in Apple Wallet with PassCard. Pass Card is an app that allows users to create and add custom cards to their Apple Wallet. With Pass Card, you can easily turn any document, ticket, boarding pass, membership card, or other digital items into a convenient and accessible format on your iPhone. Simply upload your files, and create a pass that you can store and manage directly in your Apple Wallet for quick access whenever needed. With the app you can: CREATE PASSES Create passes from any document with a QR or any format of code. SUPPORT FOR ALL CODE FORMATS In our app you can add any format code: boarding passes, train tickets, movie tickets or other events. CUSTOM TEMPLATES We have prepared many templates to suit your needs. Choose and use the set of fields you need. One-click addition to Apple Wallet. Warning: Some features are only available in the Premium Version. Subscription price (Price may change depending on your country): 1-year subscription - from US$ 17.99 TERMS OF USE: https://passcardtech.github.io/Terms-Conditions/ PRIVACY POLICY: https://passcardtech.github.io/Privacy-Policy/
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
Supabase
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.
