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
Pacific Watch
Pacific Watch is Hawaii's all-in-one situational awareness app
Free
PRICE
Free
No in-app purchases
BUSINESS MODEL
Free
No overall Grossing estimate available
RATING
★ 5.0
4 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.
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 included16 files
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 Pacific Watch: map the core Weather 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
Use multiple data sources, show confidence %
Assumption to check: Inaccurate forecasts
Validate with people who use this workflow before building.
Hypothesis 2
Clean ad-free experience at low price
Assumption to check: Too many ads
Validate with people who use this workflow before building.
Hypothesis 3
Minute-by-minute precipitation for exact location
Assumption to check: No hyperlocal data
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
Pacific Watch is Hawaii's all-in-one situational awareness app. Built specifically for Hawaii residents and visitors, it aggregates 50+ official data sources into one beautifully simple dashboard so you always know what's happening across the islands. FEATURES Weather & Forecast • Current conditions from local weather stations • Hourly and 7-day forecasts from the National Weather Service • Rainfall, wind, humidity, and UV index • Live weather cameras at beaches, mountains, and city views Surf & Ocean • Surf forecasts by island and shore • Tide predictions from NOAA • Buoy observations and wave heights • High surf advisories and warnings Emergency Alerts • Real-time push notifications for tsunami warnings, hurricane alerts, flood watches, and severe weather • NWS alerts automatically filtered for your island • Customize which alerts you want to receive • Optional home address for personalized flood zone alerts Volcanoes & Earthquakes • Live volcano cameras from USGS • Kilauea eruption tracking • Recent earthquakes with magnitude and location • Tsunami zone maps Infrastructure • Hawaiian Electric and KIUC power outage maps • Live traffic cameras on major highways • Water quality and beach advisories • Air quality (AQI) and vog monitoring Emergency Preparedness • 14-day emergency supply checklist • Evacuation shelter locations • Flood hazard zones • Hurricane preparedness guides • Multi-language handbooks (English, Ilocano, Korean, Vietnamese, Cantonese) CUSTOMIZATION • Choose your island for location-specific alerts • Customize your dashboard with drag-and-drop cards • Light and dark themes • Adjustable font size for accessibility BUILT FOR HAWAII Pacific Watch is a free, independent app built by a local Hawaii developer. No ads. No data selling. Just the information you need to stay safe and informed across O'ahu, Maui, Hawai'i Island, Kaua'i, Moloka'i, and Lana'i. Data sources include: National Weather Service, USGS, NOAA, Hawaii Emergency Management Agency, Hawaiian Electric, KIUC, Hawaii DOT, AirNow, and more. Support the app: If Pacific Watch helps keep you and your ohana safe, consider supporting development at pacificwatch.app. Mahalo!
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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
OpenWeather API
Expo Location
RevenueCat
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.
