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
Money Manager Budget Planner
Money Manager keeps your finances on your device
$4.19 · In-app purchases
PRICE
$4.19
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
★ 3.0
1 ratings · Below Average
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 Money Manager Budget Planner: 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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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
Implement an intuitive dashboard for quick overviews.
Assumption to check: Users find it difficult to track multiple accounts effectively.
Validate with people who use this workflow before building.
Hypothesis 2
Add features for automatic transaction categorization and account linking.
Assumption to check: Manual entry can be tedious and prone to errors.
Validate with people who use this workflow before building.
Hypothesis 3
Offer customizable reports and visual analytics.
Assumption to check: Limited reporting features to analyze spending habits.
Validate with people who use this workflow before building.
Hypothesis 4
Provide clearer explanations of features and benefits for each tier.
Assumption to check: In-app purchases can be confusing.
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
Money Manager keeps your finances on your device. No account, no bank connection, no subscription - open the app and start tracking. WHAT YOU CAN DO • Log income and expenses in seconds, with custom categories and icons • Run multiple accounts cash, bank, card in any currency, with live exchange rates • Set monthly budgets per category and see what is left at a glance • Schedule recurring bills and income on the exact dates they repeat • Pay down debts and track savings goals with deposits toward each one • Read your spending back as charts, monthly reports and a calendar view • Attach receipts and notes to any entry • Lock the app behind Touch ID or a PIN • Back up and export everything to a file you control BUILT OFFLINE, ON PURPOSE Every number lives in a database on your phone. Nothing is uploaded, so the app works on a plane, in a basement, or with the network off and there is no account to delete later. FREE No subscription, no paywalled features, no ads. Questions or ideas: [email protected] --- Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://money-manager-expense.vercel.app/privacy
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
Redux
react-navigation
axios
react-native-charts-wrapper
BUILD KIT DIFFICULTY
Starter
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.
