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.
Named a TIME Best Invention and trusted by 1.5 million shoppers
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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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Generating… usually about a minute.
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 Phia: Fashion Deals & Rewards: 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 product categories and filtering options
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: Inconsistent performance with product search
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: User interface can be cluttered
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: Lack of personalized recommendations
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.
Named a TIME Best Invention and trusted by 1.5 million shoppers. As seen in Fortune, Forbes, The New York Times, and Vogue. Phia is the AI shopping agent that finds you the best price, earns you rewards, and helps you build a wardrobe you love, automatically. —— HOW PHIA WORKS 1) Browse anything you love — Phia instantly compares prices across 350 million items and 220,000+ sites, new and secondhand. 2) Phia auto-applies the best coupons at checkout — including exclusive codes only available to Phia users — or set a price drop alert and we'll watch it for you. 3) Earn Phia Rewards points on eligible purchases at participating retailers and redeem them for gift cards to top brands. Shop, save, and get rewarded, automatically. —— FEATURES YOU'LL LOVE Should I Buy This? Tap it on any item while browsing Safari and Phia's AI instantly tells you if the price is fair, finds cheaper alternatives across retail and resale, and surfaces visually similar styles, all in seconds. Never Overpay Again Phia compares prices across 220,000+ sites in real time. If there's a better deal anywhere on the internet, Phia finds it before you check out. Coupons, Done For You Phia automatically applies the best coupon at checkout. No searching, no expired codes. Some discounts are exclusive to Phia users only. Catch Every Price Drop Save any item and we'll notify you the moment the price falls to your target. You set the threshold. We do the watching. Phia Rewards Earn points when you shop at participating retailers. Redeem them for gift cards to your favorite brands. Shopping doesn't just save you money — it pays you. Your Cart, Automatically Not ready to check out? Save anything to your cart and we'll alert you when a fresh coupon lands, the price drops, or a better deal pops up. Styled For You Phia's proprietary AI learns your taste and suggests what to buy next across multiple brands and retailers, right on your home feed. A stylist that actually knows your wardrobe. Shop Your Screenshots See something you love on social media? Phia Lens finds it across 220,000+ sites instantly. —— NOT ANOTHER COUPON APP Phia is built for people who care about what they wear. Unlike Rakuten, Coupert, Honey, or Capital One Shopping, Phia doesn’t just hunt for coupons — it compares prices across retail and resale, finds better options instantly, applies savings automatically, and helps you track everything you love in one place. —— CELEBRITY BACKED Khloe Kardashian, Alix Earle, Karlie Kloss, Olivia Culpo, Winnie Harlow, Eileen Gu, Halsey, Paris Hilton, Lori Harvey, and Ice Spice, and more invested in Phia’s $35.5M Series A. —— Download Phia and start shopping smarter.
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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.