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.
Understand how businesses really work through numbers.
$9.99
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.
Kit ready. Verify your email to download it.
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 Financial Numbers: 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: Lack of user reviews, leading to trust issues
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: Limited functionalities compared to competitors
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: No tutorial or onboarding process
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: High price point for basic features
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.
Understand how businesses really work through numbers. Financial Numbers is the visual learning app that makes financial statements intuitive for non-finance professionals. Watch how balance sheet boxes transform in real-time when you input transaction numbers. Master financial fundamentals through interactive visuals. No expertise required—just clear, dynamic animations that anyone can understand. Why Financial Numbers? • Interactive Balance Sheet Animations: Skip the memorization. Financial Numbers visualizes financial statements as a living system. See how every business action instantly impacts your balance sheet and income statement to truly understand financial cause and effect. • Universal Foundations: Learn the fundamental framework used by millions of companies worldwide, across every industry. Financial statements might seem complicated, but Financial Numbers focuses purely on the essentials. With the right approach, you can grasp the basics in no time. You don’t need to know everything—just mastering the fundamentals will make a massive difference. Who is it for? • Entrepreneurs & business owners • MBA students & business school • Marketers & product managers • Engineers & developers • Managers & executives • Investors & analysts • Anyone who wants financial literacy without accounting background No prior accounting knowledge required. Why Financial Literacy Matters for Everyone: • Speak the Language of Leadership: Participate confidently in executive-level discussions. • Make Data-Driven Decisions: Stop guessing and start leading with clear financial insights. • See the Big Picture: Understand how every project, product, and launch impacts the entire company. Features: • Start Here: Learn the fundamentals of financial statements from scratch. In STORY, you can visually follow how the balance sheet transforms as each transaction takes place, helping you build an intuitive understanding of accounting. You can also see how the balance sheet and income statement are presented in real financial reports, connecting accounting concepts with real-world financial statements. • Try it Yourself: Create your own transactions and instantly see how they affect the balance sheet. You can also review the corresponding income statement and understand how each transaction impacts a company’s financial position and performance. In addition, you can view both statements in real-world reporting formats and see how your transactions are reflected in actual financial reports. What you’ll learn: • How a balance sheet works • How an income statement works • How transactions affect financial statements • The relationship between profit and equity • How to read a company’s financial position Interactive Learning: Try different business scenarios and see the results instantly. Raise capital, make sales, buy inventory, or take on debt—and observe how each decision affects financial statements. Learning happens through exploration, not memorization. Our Philosophy: Financial literacy is an essential skill for everyone—from entrepreneurs and managers to students. We believe learning should be intuitive, not just memorized. Just as we teach physics with simulations and geography with maps, Financial Numbers is built on a simple idea: Financial statements should be visible, interactive, and intuitive.
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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.