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.
Save money effortlessly! Spendee is a FREE budgeting app already loved by almost 3.000.000 people around the world that track their spendings and optimize their budgets.
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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 Expense & Budget App: Spendee: map the core Finance 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: Users find difficulty with transaction categorization accuracy.
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: Limited budget tracking features compared to competitors.
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: Some users report syncing issues with bank accounts.
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: User interface can feel cluttered for new users.
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.
Save money effortlessly! Spendee is a FREE budgeting app already loved by almost 3.000.000 people around the world that track their spendings and optimize their budgets. Seeing all your financial habits enables you to stick to your goals and be organized in what's important. Take responsibility and know exactly where your money goes. With Spendee, you can be your own money manager. It's that easy! MAKE YOUR MONEY SHINE • See All of Your Money in One Place Connect Spendee with your online banking, E-Wallet (e.g. PayPal) or crypto-wallet (e.g. Coinbase) and see your wealth in one place. • Organize & Analyze Your Expenses We'll help you see your finances in the big picture! Imagine your data being automatically categorized, displayed in simple infographics, stylish graphs and clever insights that help you on your way to your dream savings and proper financial health! • Optimize Your Spendings Save money for categories you spend the most on by creating budgets and sticking to them! We'll notify you on your progress to make sure you are in green numbers and maintaining positive cash flow. • Learn Through Personal Insights Embrace financial awareness. Let us become your best financial friend which proactively helps you to manage your personal finances and build a sustainable emergency fund. We're ready to give you tips & tricks to help you with your daily decision making. MORE KEY FEATURES • Budgets - to help you stick to your financial goals • Wallets - organize your cash, bank accounts or different financial occasions • AI Receipt Scanner (NEW) – scan your receipt and create a transaction in seconds (price, category, description, photo, and other details filled automatically) • Shared Finances - to efficiently manage money with partners or flatmates • Multiple Currencies - to handle vacation finances with ease • Labels - to mark and analyse transactions in more depth • Dark Mode - to enjoy in eye friendly environment • Web Version - to see your finances on a bigger screen • Secure Data Sync - to keep your details private, confidential and safe AWARD WINNING DESIGN Starting with Spendee is easy thanks to its intuitive design. And the more you use it, the more valuable it gets, rewarding you with attractive charts that show you where your money is going, how you're doing compared to previous periods & much more. We believe in beautiful design - and thanks to that, we'll guide you to better financial decisions with ease. Download Spendee now! Sync your bank account to be your own money manager & get ahead of your finances. It's easy, effective and enables you to save and plan for the future. Follow us on our social media @spendeeapp or email us at [email protected] Terms of Use: https://www.spendee.com/terms-of-use Privacy Policy: https://www.spendee.com/privacy-policy Help centre: https://help.spendee.com
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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.