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.
Welcome to the future of payments using Tap to Pay / Contactless Payments, powered by Accept
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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 Tap to Pay + Contactless + POS: map the core Business 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 payment method options
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: User interface can be overwhelming
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: Inconsistent transaction history updates
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: Customer support is hard to reach
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.
Welcome to the future of payments using Tap to Pay / Contactless Payments, powered by Accept. This innovative solution redefines the way merchants accept payments, offering a seamless and secure experience for both businesses and customers. With the capability to accept major credit cards like VISA, MasterCard, American Express, Discover, and more, directly through your iPhone, TTP eliminates the need for additional terminals or hardware, streamlining your in-person transactions. Some of our features: BANK-GRADE ENCRYPTION When accepting payments, you must do so in a PCI compliant manner. 1000'S OF CUSTOMERS Users from all around the world make payments every day. RESPONSIVE SUPPORT Simply contact us inside the app if you have any questions. INSTANT PAYMENT IN SECONDS When you start processing live payments from your customers, you will not receive your first payout until 7–10 days after your first successful payment is received. Please note there is a 1.5% fee when using the TTP App (in addition to Payment Processing fees). COUNTRIES Austria, Australia, Belgium, Canada, China, Denmark, Finland, France, German, Hong Kong, Ireland, Italy, Japan, Luxembourg, Mexico, New Zealand, Norway, Portugal, Singapore, Sweden, Switzerland, the United Kingdom, the United States, and more. PRIVACY Your privacy is important to us. It is our policy to respect your privacy regarding any information we may collect from you across our website and other apps/sites we own and operate. We only ask for personal information when we truly need it to provide a service to you. We collect it by fair and lawful means, with your knowledge and consent. We also let you know why we’re collecting it and how it will be used. We only retain collected information for as long as necessary to provide you with your requested service. What data we store, we’ll protect within commercially acceptable means to prevent loss and theft, as well as unauthorized access, disclosure, copying, use or modification. We don’t share any personally identifying information publicly or with third-parties, except when required to by law. Our website/app may link to external sites that are not operated by us. Please be aware that we have no control over the content and practices of these sites, and cannot accept responsibility or liability for their respective privacy policies. You are free to refuse our request for your personal information, with the understanding that we may be unable to provide you with some of your desired services. Your continued use of our website/app will be regarded as acceptance of our practices around privacy and personal information. If you have any questions about how we handle user data and personal information, feel free to contact us. This policy is effective as of June 2026.
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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.