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
StoreCard - Store Cards Wallet
Use StoreCard - Store Cards Wallet to keep all your loyalty, reward, discount, gift and any other plastic store cards in your mobile phone.
Free · In-app purchases
PRICE
Free
In-app purchases
BUSINESS MODEL
Freemium
No overall Grossing estimate available
RATING
★ 4.6
121 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 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 StoreCard - Store Cards Wallet: 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
Add features like card sharing and transaction history.
Assumption to check: Limited card management features compared to competitors
Validate with people who use this workflow before building.
Hypothesis 2
Implement local storage for offline access.
Assumption to check: No offline access to cards
Validate with people who use this workflow before building.
Hypothesis 3
Allow users to customize card colors and styles.
Assumption to check: Limited customization options for cards
Validate with people who use this workflow before building.
Hypothesis 4
Introduce robust search and filter options for easier card management.
Assumption to check: Lack of advanced search filters
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
Use StoreCard - Store Cards Wallet to keep all your loyalty, reward, discount, gift and any other plastic store cards in your mobile phone. Download Store Cards Wallet for free and forget about using store plastic cards forever! NO REG How to use: 1. Download the App for free. 2. Add your plastic store cards to the app. 3. Use virtual cards from the phone wallet. Features: - Easy to use - Modern design - Carousel/grid view - Simple navigation - Notes - Favorite cards - Automatic barcode reader Supported types of cards: - Loyalty cards - Reward cards - Discount cards - Gift cards - Coupons & etc. SUBSCRIPTION TERMS PREMIUM subscription advantages: - Wallet limit up to 35 cards; - Minimum advertising; - Unlocking all features; Payment models for PREMIUM subscription: 2.49 USD/week + 3 days free trial 4.99 USD/month 29.99 USD/year UNLIMITED subscription advantages: - Unlimited cards; - No advertising; - Unlocking all features; - Fast VIP support; Payment models for UNLIMITED subscription: 6.99 USD/week + 3 days free trial 14.99 USD/month 59.99 USD/year End of trial and subscription renewal details: - Payment will be charged to iTunes Account at confirmation of purchase. - Subscription automatically renews unless auto-renew is turned off at least 24-hours before the end of the current period. - Account will be charged for renewal within 24-hours prior to the end of the current period, and identify the cost of the renewal. - Subscriptions may be managed by the user and auto-renewal may be turned off by going to the user’s Account Settings after purchase. - Any unused portion of a free trial period, if offered, will be forfeited when the user purchases a subscription to that publication, where applicable. Privacy Policy: https://mobilapps.top/policy.html Terms of Use: https://mobilapps.top/terms.html
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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.
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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.
