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
PWSView
PWSViewer brings your personal weather station data directly to your iPhone and iPad
$0.99 · In-app purchases
PRICE
$0.99
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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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 included16 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 PWSView: 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
Incorporate multiple weather APIs for diverse data.
Assumption to check: Limited weather sources can lead to inaccurate data.
Validate with people who use this workflow before building.
Hypothesis 2
Design a cleaner layout prioritizing essential data.
Assumption to check: User interface can feel cluttered with too much information.
Validate with people who use this workflow before building.
Hypothesis 3
Implement custom notifications for user-defined criteria.
Assumption to check: Lack of push notifications for severe weather alerts.
Validate with people who use this workflow before building.
Hypothesis 4
Offer a free trial period to attract more users.
Assumption to check: In-app purchase model can deter users.
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
PWSViewer brings your personal weather station data directly to your iPhone and iPad. Designed specifically for Ecowitt weather stations, this app provides real-time access to detailed weather information from your home or multiple locations. Key Features: • Real-time Weather Data - View current conditions including temperature, humidity, wind speed/gust/direction, rainfall, UV, dew point, and barometric pressure • Multiple Station Support - Monitor up to two weather stations from one convenient app • Daily High/Low Tracking - Keep track of temperature extremes for the day • Flexible Unit System - Switch between Imperial (°F, in, mph) and Metric (°C, mm, km/h) units • Companion Widgets - Access key weather information right from your home screen • Lock Screen Widgets - Access key weather information right from your lock screen • iCloud Sync - Sync across multiple devices • Customizable Display - Toggle condition emojis and choose between traditional or piezoelectric rain gauges • Apple Watch Support How It Works: 1. Add your weather station MAC address, Application and API credentials in settings 2. Configure display preferences and units 3. View detailed real-time weather data on your device 4. Access key information through the companion widget Note: Requires an Ecowitt personal weather station with internet connectivity, valid API key and Application key. API and Application keys can be obtained through your Ecowitt.net account under your profile. Download now to take full control of your personal weather data!
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
Lodash
Zustand
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.
