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.
Square Point of Sale (POS) is the all-in-one payments processing app designed for any business
Free · 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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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 Square Point of Sale (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: Complex setup process for new users
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: Limited customization options for receipts
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: Inconsistent performance on older devices
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: Lack of offline functionality
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.
Square Point of Sale (POS) is the all-in-one payments processing app designed for any business. Whether you’re a retail, a restaurant, or a service business, you’ll have all the features you need to run your business at your fingertips. Select from multiple modes tailored to your industry to simplify business operations, to deliver exceptional customer experiences, and to boost your bottom line. Take any payment Accept payments in person, online, or over the phone. Let customers pay with all major credit cards, debit cards, cash, digital wallets, QR codes, payment links, Cash App Pay, Tap to Pay on iPhone, and gift cards. Get started quickly Whether you’re a new business or looking to switch your point of sale system, we make it fast and easy to get started. Receive recommendations for a POS solution that aligns with your business needs, ensuring you’re set from the start. Choose your mode Access multiple POS modes equipped with unique settings, features, and functionalities for different business needs. •For all businesses: Set up instantly to start taking payments and manage your business. - Free point-of-sale system - Real-time reports in Dashboard - Inventory management •For restaurants: Access management tools designed for full-service restaurants, quick-service restaurants, and bars. - Quick order entry - Order-ready mobile text - Course and seat management (iPad only) - Preauthorized bar tabs (iPad only) •For retail: Track inventory, customer orders, and sales effortlessly in-store or online. - Advanced inventory tools - Multichannel selling - Customer profiles •For beauty: Simplify scheduling and appointments. - 24/7 online booking - No-show protection - Automated reservation reminders •For services: Manage appointments, send invoices, and accept payments effortlessly. - Invoices and estimates - Contracts - Project management Download the Square Point of Sale today and explore how Square can grow with you — from fostering customer relationships and managing staff to accessing advanced reporting and offering integrated banking solutions. Disclosure: Some features are only available in the United States. Square Bitcoin is not offered to NY Sellers or non-US Sellers. Availability subject to change and regulatory approval. Bitcoin’s value is volatile and can change quickly. Bitcoin transactions are irreversible and may experience occasional delays or payment failures. Bitcoin services are provided by Block, Inc., licensed where required. Block, Inc. operates in NY as Block of Delaware and is licensed to engage in virtual currency business activity by the NYDFS. Need more assistance? Reach Square Support at 1-855-700-6000 or contact us by mail at Block, Inc., 1955 Broadway, Suite 600, Oakland, CA 94612.
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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.