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.
Gift Card Balance (GCB) checks live giftcard balance
$2.99 · In-app purchases
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.
A product spec, screen plans, and build steps for your coding agent.
First kit free with a verified email
Combine features and design from your favorite apps.
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What should your app do differently? Your note travels with the kit so your coding agent builds around your idea.
A product spec, phased build plan, differentiation notes, and screen references.
Illustrative example: an invoice app for independent contractors. Your kit is tailored to the app you choose; this is not its generated content.
Goal: Send a clear invoice after finishing a job.
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.
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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Good fit for mobile-first iOS and Android prototypes with managed app scaffolding.
Rork plan preview for Gift Card Balance +: 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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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
Assumption to check: Limited retailer options for gift cards
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: Poor user ratings and reviews
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: Difficulty in tracking multiple balances
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: Lack of notifications for expiry dates
Validate with people who use this workflow before building.
Original App Store material. Ratings and screenshots describe the existing app, not proof of demand for your version.
Gift Card Balance (GCB) checks live giftcard balance. The mobile app wallet offers a simple yet accurate way to retrieve real time card balances since 2012. Balance query is performed by connecting directly to the website of card merchant. All giftcard records and photos are 100% stored in your phone. More info: https://gcb.today/app [Gift Card Balance Pro] is the paid edition of Gift Card Balance with all functions enabled - All features and cards from standard edition - Ads Free (both banner and popup) - Profile Backup and Restore - Data Protection and Login Passcode - Text Recognition from Card Photo - Unrestricted Gift Card, Card Photo & Screenshot - Function to Customise Card Query - WebView User Action Capture/ Recording - Configurable Alert / Alarm - Additional User Help & Setup Guide - Dedicated API Backend Service - Early Access to Latest Gift Card and Regions - Priority Developer Support for new gift card query - In-App Support (Bug & Query Report) - Try out free edition before purchase The app is here to manage all gift cards & certificates so that you could redeem cards, coupons & vouchers easier when shopping online or instore. Never having trouble to find the balance again at the checkout counter or leave cards behind in your drawer. Always finish off card balance and remaining dollar/ cash/ money before expiry date. Any physical giftcard, e-gift card, digital card, gift code and gift certificate can all be added to our card wallet including payment card, cash card and money card. [Balance Enquiry] Majority of giftcard merchants support online balance query. It is just like how you check your bank statement online. GCB collects all these giftcard links so that you don’t need to look around. Why wait? Check your balance now. a) Online & Website Check +GCB opens in-app balance check web page +GCB auto fills in card details (manual copy/paste available) +User fills in captcha if required +Webpage shows full card balance enquiry details b) Phone Number: merchant help desk number c) Store Receipt: attach photos & screenshot d) Other cards: customise any card yourself [Key Features] a) Balance Query & Automation: +Balance lookup links and website info for global gift cards +Automated query process by a few clicks via in-app browser +Card details are automatically filled in on vendor's web page +Balance inquiry details are extracted and saved automatically +Screenshot balance result webpage b) Giftcard Wallet & Card Management: +Store any kind of giftcards including printed voucher or email coupon +Simplify data entry by attaching card photo or screenshot +AI-based text recognition that extract card numbers from photo +Manage card details & balance for future reference [Supported Giftcards] - Major giftcards from: United States, Australia, United Kingdom, Canada, New Zealand, Ireland, India, Brazil, China, France, Germany, South Africa - For other countries, you can use custom gift cards balance check for any gift cards. Add balance check url and manually fill in for the first time. Your actions will be captured for future enquiries automatically. [United States Gift Cards & Certificates] Here are some of the popular giftcards. +110 Grill, 16 Handles, 76 Gas, Abercrombie & Fitch, Aeropostale, AMC Theatres, American Airlines, American Eagle, American Girl, AutoZone, Barnes & Noble, Bath & Body Works, Bed Bath & Beyond, Best Buy, Bravo Brio Restaurant Group, Buffalo Wings & Rings, Burger King, Cabela's, Cheesecake Factory, CVS, Dairy Queen, Discover, Domino's, DSW, Dunkin Donuts, Fandango, Forever 21, Fred Meyer, GameStop, Gap, H & M, Hollister, Home Depot, IHOP, JCPenney, JoAnn Fabrics, Justice, Kohls, Kroger, Lowe's, Macy's, Nike, Nordstrom, Old Navy, Outback Steakhouse, PetSmart, Pottery Barn, Ralphs, Red Lobster, Red Robin, Sephora, Starbucks, Target, Tim Hortons, ULTA, Victoria's Secret, Visa Gift Card, Walgreens, Walmart, Wawa, Wendys +Full list: https://gcb.today/us
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Plan a focused first version with your coding agent. These are planning assumptions, not a delivery guarantee.
Choose one audience and one core workflow. Use the kit to agree on its screens, data, and acceptance criteria before building.
Decide which secondary features, integrations, and platform support can wait. Your version does not need to reproduce everything in the original.
Validate external services, specialist technology, data access, and ongoing costs for your chosen scope.
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.