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.
RetirePlan is an iPad app that helps you answer all your questions about your retirement
$4.99 · In-app purchases
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.
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Combine features and design from your favorite apps.
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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 RetirePlan: 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 often find retirement planning apps too complex to navigate.
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: Many users feel overwhelmed by too much data.
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: Users complain about the lack of personalized recommendations.
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: Some apps have poor integration with financial institutions.
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.
RetirePlan is an iPad app that helps you answer all your questions about your retirement. If you have questions about your retirement finances, this is the app to answer them. When can I retire? How much do I need to save every year? How much money will I get every year in my retirement? How long will my money hold out in my retirement? In just a few seconds you can enter your data and assumptions and the graph will update to show you if your plan will work. If you have more time to spend you can enter as much detail as you want to refine your plan. The sliders give you an easy way to see what different values will do to your plan. Need to enter a value outside the slider range? press the amount and a calculator will pop up to let you enter whatever number you need. The slider range will update automatically. Bring up the spreadsheet to see all the details for every year of the plan, or check out the Monte Carlo simulator to see how likely your plan is to succeed! Email your results. Use the settings to add your spouse, include or remove Social Security, and show or hide inflation and interest rates. Use the + button to add a pension, send a child to college, large upcoming expenses, add additional rates of return and retirement income assumptions. Include Tax assumptions to get an even more accurate picture of your future.
Written user reviews are not shown here. Check current App Store reviews >
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.