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
Worthfolio: Net Worth Manager
Track your assets and debts in one private, offline app
$9.99
PRICE
$9.99
No in-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
N/A
No ratings yet
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 included15 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 Worthfolio: Net Worth Manager: 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 automatic transaction import via bank integration.
Assumption to check: Users often struggle with manual data entry for transactions and accounts.
Validate with people who use this workflow before building.
Hypothesis 2
Include detailed spending reports and visual analytics.
Assumption to check: Lack of detailed reports and analytics features.
Validate with people who use this workflow before building.
Hypothesis 3
Enhance UI with cleaner design and better organization of information.
Assumption to check: Some users find the user interface cluttered.
Validate with people who use this workflow before building.
Hypothesis 4
Add customizable alert features for important financial events.
Assumption to check: Absence of alerts or reminders for bills or budget limits.
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
Track your assets and debts in one private, offline app. From cash and investments to property and collectibles, see your net worth change over time. Update values anytime with a clean, simple interface. Whether you use it as a net worth manager or a asset organizer, everything stays under your control. Update values on your schedule, and use a simple, uncluttered interface to monitor your net personal worth over time. Perfect for collectors, property owners, or anyone seeking a quick financial overview of their individual wealth. Granular by design, it gives precise control over every value item, helping you manage net worth accurately. == Manual Control == Every item and asset value is fully under your control. Unlike other similar tools, this app does not pull data from external sources for real-time valuations. You manage every item yourself, and decide when and how to modify its value item. A clear timeline shows all updates, allowing you to track each change and monitor your net worth. == Favorite Items == Select items from your asset list to access them instantly on the main screen. You can focus on what matters most without scrolling through everything. == Update Reminders == The app also monitors your asset log and notifies you when entries may need a value update, helping you keep your net wealth tracking accurate and up to date. == Multi-Currency Flexibility == Each item can use its own currency. Track assets in USD, EUR, GBP, JPY, or any other currency, then view everything converted to your selected base currency. You control all currency conversions by setting exchange rates manually. If needed, you can easily refresh rates to match current market values with a single click in the app settings. == iOS Native and Lightweight == This app is native to iOS, lightweight at under 5MB, and fully functional without an internet connection. It remains small because it does not use any tracking, bank integration or AI functions, keeping your data private. Terms of use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://worthfolio.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
Zustand
React Navigation
AsyncStorage
Victory Charts
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.
