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.
App Overview
Maple Budget
Maple Budget: Track Your Money, Celebrate Your Wins!
$0.99 · In-app purchases
PRICE
$0.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
★ 4.3
3 ratings · Top 30%
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.
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Build Kit
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A product spec, screen plans, and build steps for your coding agent.
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What's included17 files
A product spec, phased build plan, differentiation notes, and screen references.
- START_HERE
- AGENTS
- EVIDENCE
- SPEC
- BUILD_PLAN
- DIFFERENTIATION
- skills/
- screens/
Preview a sample Build Kit No email needed
Illustrative example: an invoice app for independent contractors. Your kit is tailored to the app you choose; this is not its generated content.
Screen plan
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.
Differentiate and validate
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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Free quick prompt For a smaller starting point
Quick prompt
Good fit for mobile-first iOS and Android prototypes with managed app scaffolding.
// RORK SYSTEM PROMPT
Rork plan preview for Maple Budget: map the core Finance workflow, choose the smallest differentiated feature set, define the data and monetization boundaries, then prototype the riskiest user journey first.
Preview ready. Verify your email to reveal and copy the full prompt.
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Opportunities
AI-GENERATED OPPORTUNITY HYPOTHESES
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
Provide more flexible budget categories and custom limits.
Assumption to check: Limited customization options for budgets
Validate with people who use this workflow before building.
Hypothesis 2
Implement automatic transaction categorization and bank linking.
Assumption to check: Manual transaction entry can be tedious
Validate with people who use this workflow before building.
Hypothesis 3
Include dynamic charts and graphs for better insights.
Assumption to check: Lack of visual analytics for spending patterns
Validate with people who use this workflow before building.
Hypothesis 4
Clarify subscription benefits and provide a clear trial period.
Assumption to check: In-app purchases may confuse users
Validate with people who use this workflow before building.
App evidence
Original App Store material. Ratings and screenshots describe the existing app, not proof of demand for your version.
App Store description
Maple Budget: Track Your Money, Celebrate Your Wins! Take control of your finances with Maple Budget, the ultimate app for tracking your spending, celebrating progress, and sharing your journey. Maple Budget is completely free to use with no subscriptions. Features to Love: - Effortless Expense Tracking Log every expense with ease and keep a clear view of your spending habits on Maple. - Monthly Maple Wrapped Get a personalized monthly summary that highlights your financial journey—your wins, trends, and more. - Share Your Story Turn your budgeting milestones into shareable moments with friends and loved ones in DMs or on social media. With Maple Budget, you don’t just manage your money—you own your story. Reflect on your goals, celebrate your progress, and inspire others to do the same. All on Maple Budget. Download Maple Budget now and start your journey to mindful spending. Terms of Use: https://maplebudget.com/policies/terms-of-service
Written user reviews are not shown here. Check current App Store reviews >
Screenshots
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Build scope
Plan a focused first version with your coding agent. These are planning assumptions, not a delivery guarantee.
Define the first version
Choose one audience and one core workflow. Use the kit to agree on its screens, data, and acceptance criteria before building.
Set boundaries
Decide which secondary features, integrations, and platform support can wait. Your version does not need to reproduce everything in the original.
Check the hard parts
Validate external services, specialist technology, data access, and ongoing costs for your chosen scope.
SUGGESTED BUILD STACK
React Native
Expo
axios
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BUILD KIT DIFFICULTY
Intermediate
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.
