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
Firefighters Emergency PRO
Get the position (GPS or address) of all the fire emergency facilities and equipments in the United States directly to your iPhone, iPad and iPod.
$2.99
PRICE
$2.99
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.
Build your own version
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 Firefighters Emergency PRO: map the core Productivity 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 offline caching for incident data.
Assumption to check: Limited offline functionality
Validate with people who use this workflow before building.
Hypothesis 2
Add a guided tutorial on first launch.
Assumption to check: Difficult navigation for new users
Validate with people who use this workflow before building.
Hypothesis 3
Provide direct emergency service contacts and quick call functionality.
Assumption to check: No integration with emergency services
Validate with people who use this workflow before building.
Hypothesis 4
Integrate push notifications for incident updates.
Assumption to check: Lack of real-time updates
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
Get the position (GPS or address) of all the fire emergency facilities and equipments in the United States directly to your iPhone, iPad and iPod. The app provides the following fire emergency facilities and equipments: - dry riser inlet; - fire alarm box; - fire extinguisher; - fire flapper; - fire hose; - fire hydrant; - fire water pond; - suction point; - water tank. The app also allows to: - Search in more than 30000 fire emergency facilities and equipments available; - Check the fire emergency facilities and equipments directly from the map; - Search fire emergency facilities and equipments by region, US state, address, street name or geolocation (latitude, longitude - GPS location service supported); - Save your favorites fire emergency facilities and equipments; - If offline, new fire emergency facilities and equipments are missing; - Coverage United States. IMPORTANT NOTE: the app displays all the AVAILABLE fire emergency facilities and equipments provided by OpenStreetMap (http://openstreetmap.org/) and OverpassTurbo (http://overpass-api.de/). If you don't see some data, please understand it is not app fault but a lack of information at the source. Thus, please do not leave a bad review for this kind of issues.
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
axios
react-navigation
zustand
expo-image-picker
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.
