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
FDNY Retirement Planner
FDNY Retirement Planner is a retirement planning and pension estimation tool designed to help FDNY members better understand and plan for retirement.
$9.99
PRICE
$9.99
No in-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
★ 5.0
1 ratings · Top 5%
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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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.
What's included
A product spec, phased build plan, differentiation notes, and screen references.
- START_HERE
- AGENTS
- EVIDENCE
- SPEC
- BUILD_PLAN
- DIFFERENTIATION
- skills/
- screens/
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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 FDNY 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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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
Simplify user experience with guided tutorials and FAQs.
Assumption to check: Complexity of retirement planning can overwhelm users
Validate with people who use this workflow before building.
Hypothesis 2
Incorporate AI-driven recommendations based on user data.
Assumption to check: Lack of personalized advice or insights
Validate with people who use this workflow before building.
Hypothesis 3
Add community forums or discussion boards to enhance user interaction.
Assumption to check: Limited engagement features
Validate with people who use this workflow before building.
Hypothesis 4
Consider a freemium model to allow users to explore app features before purchase.
Assumption to check: High upfront cost without trial
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
FDNY Retirement Planner is a retirement planning and pension estimation tool designed to help FDNY members better understand and plan for retirement. Enter your member information and explore your estimated pension using tools built around FDNY retirement calculations. Features include: • Tier 2 pension calculations • Tier 3 and Tier 3 Enhanced calculations • FAS and 3-Year Average builders • Pension estimates based on your saved information • Overtime pension goal calculator • Longevity enhancement calculations • 1/60ths calculator for eligible Tier 2 members • Pension options and contribution tools • Accident Disability Retirement (ADR) calculator • Pension statement scanning tools • Retirement AI assistant for exploring pension scenarios • Reference information for important pension rules and benefits Your information stays private and organized within the app so you can adjust your numbers and explore different retirement scenarios. Whether you are approaching retirement or still have years to go, FDNY Retirement Planner gives you a convenient way to understand how changes in service, earnings and other pension factors may affect your retirement estimate. Important Disclaimer: FDNY Retirement Planner is an independent informational and estimation tool. It is not affiliated with, endorsed by, or an official application of the FDNY, the City of New York, NYCERS, NYCPPF, or any government agency or pension system. Calculations and information provided by the app are estimates for planning and educational purposes only and should not be considered official pension calculations, financial advice, or a guarantee of benefits. Users should verify retirement information and benefit eligibility with the appropriate pension system or official source before making retirement or financial decisions.
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
Supabase
Zustand
react-native-chart-kit
@supabase/supabase-js
BUILD KIT DIFFICULTY
Not assessed in a Build Kit yet.
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.
