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.
Retirement income is complicated
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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 RetIQ - Retirement 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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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 financial apps complex and hard to navigate.
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: Many retirement planning apps lack personalized insights.
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: Users are concerned about data security and privacy.
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: Subscription costs can be seen as too high.
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.
Retirement income is complicated. Social Security timing, Roth conversions, tax-aware drawdown, withdrawal order, taxes, Medicare costs, RMDs, and legacy goals all interact — and getting any one wrong affects everything else. RetIQ models all of it. Privately. Accurately. Once. What RetIQ does RetIQ is a retirement decumulation planner built for people who want to understand their finances — not hand them off. It answers the questions that matter most after you've saved: When should I claim Social Security? Should I convert to Roth before RMDs hit? Should I draw down pre-tax accounts before RMDs force me to? Which accounts do I draw from, and in what order? How do Roth conversions affect my Medicare premiums? What happens financially if my spouse dies? What's my real probability of not running out of money? What makes it different Every calculation runs locally on your device. Your financial data never leaves your phone — not during setup, not during planning, not ever. We technically cannot see your numbers because we never receive them. No subscription. No advisor required. Pay once, use it for as long as you want — including all future updates. What it models — Tax-Aware Drawdown: fill low tax brackets before RMDs hit, with proceeds reinvested in brokerage at full cost basis — Roth conversion optimizer: hundreds of strategies ranked by lifetime taxes saved — Strategy Report Card: 10+ alternatives auto-tested and ranked by your goal — Social Security timing from 62 to 70, spousal and survivor benefits, breakeven analysis — Survivor Planning Center: model either spouse's death with filing status change, survivor SS, pension payouts, and life insurance — Guided Workflows: step-by-step walkthroughs for tax valley optimization, survivor roadmap preparation, end-to-end stress testing, and legacy planning — 5-bucket withdrawal system: pre-tax, Roth, brokerage, cash/HYS, and HSA — Medicare and IRMAA surcharge modeling (Roth conversions and drawdowns affect your premiums) — Monte Carlo simulation: Normal, Historical Bootstrap (1928–2024), and Stress Test — Required Minimum Distributions with SECURE 2.0 rules — Scenarios: 10+ named scenarios including Retire at 40 and Retire at 50, plus allocation-aware bear market stress test — ACA subsidy modeling for pre-Medicare retirees — Progressive state income tax — all 50 states + DC — Pension and annuity income with survivor benefit options — Long-term care costs and insurance modeling — Life insurance with term/permanent policies and tax-free death benefits — Income events, income streams, and one-time expenses — 282 automated tests verified against IRS, SSA, and CMS sources Full mode vs. Essentials mode New users start in Essentials — a streamlined view with the most important inputs. Full mode unlocks every feature for complete, granular control. Same engine, same price. Verified accuracy Tax brackets, Medicare premiums, contribution limits, and Social Security parameters are sourced from IRS publications, SSA actuarial tables, and CMS Medicare data. The embedded Validation tab shows all 282 tests — expected values, actual results, and source citations — so you can verify the math yourself. RetIQ is a planning tool, not financial advice. All calculations run locally on your device.
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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.