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.
Real-time radar images, severe weather alerts, and accurate weather forecasts to keep you safe and prepared.
Free · In-app purchases
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 Stormly: Weather & Radar: 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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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: Limited customization options for notifications
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: Inaccurate weather predictions sometimes
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: User interface can be cluttered with too much information
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: Ads can be intrusive in the free version
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.
Real-time radar images, severe weather alerts, and accurate weather forecasts to keep you safe and prepared. Stay ahead of the storm with advanced NOAA radar, hurricane tracking, and detailed forecasts. Whether you need an hourly rain update, a 10-day outlook, or the perfect weather for your next outdoor adventure, this app delivers precise and timely weather insights. Stay informed: - 24-hour precipitation forecast to plan your day ahead. - Live NOAA Radar to track storms, lightning, and real-time precipitation anywhere. - 14-Day Hourly Forecasts with temperature, wind, and rain probabilities to plan hikes, surf sessions, or ski trips. - Hurricane & Severe Weather Alerts to stay informed before dangerous conditions hit. - Wildfire Monitoring with active fire zones and wind direction to help you stay safe outdoors. - UV Index Alerts so you know the safest times to tan or when to cover up. - Location-Based Notifications including lightning detection, flood warnings, and heat advisories. Stay safe: - Severe weather alerts and storm warnings keep you informed of dangerous conditions. - Push notifications provide real-time updates for hurricanes, tornadoes, lightning, and more. View weather details: - Hourly, 24-hour, and 10-day forecasts. - Current, minimum, and maximum temperatures, plus "feels like" temperature. - Wind speed, humidity, pressure, visibility, and dew point data. - Chance of precipitation to help you plan your day. - Sunrise and sunset times. Coverage: - Radar images available in the US (including Alaska, Hawaii, Northern Mariana Islands, and Puerto Rico), northern Mexico, southern Canada, Australia, the UK, Ireland, Germany, France, the Netherlands, northern and northwestern Italy, Denmark, Austria, Sweden, Finland, Spain, Portugal, Switzerland, Norway, Poland, Andorra, Japan, and more. - Governmental severe weather warnings for Australia, Austria, Belgium, Canada, Denmark, Estonia, Finland, France, Germany, Ireland, Italy, Japan, Latvia, Luxembourg, Netherlands, Norway, Poland, Portugal, Spain, Sweden, Switzerland, and the UK. Upgrade to Weather Pro for premium features: - Severe weather alerts for all saved locations. - Advanced hurricane tracking. - Extended precipitation forecasts. - Lightning tracker with real-time updates. - Interactive temperature and wind maps. - Rain alerts and RainScope technology. - Air quality index and wildfire tracking. - Hourly and 14-day extended forecasts. - Animated wind and snow depth maps. Subscription payments will be charged to your App Store account at confirmation of your purchase. Subscriptions automatically renew unless auto-renew is turned off at least 24 hours before the end of the current subscription period. Any unused portion of a free trial will be forfeited if you purchase a premium subscription during the free trial period. The cost of renewal depends on the subscription plan you choose. Subscriptions and auto-renewal can be managed in your Account Settings after purchase or by contacting Customer Support. Privacy Policy: https://sparktonic.co/privacy-app.html Terms of Use: https://sparktonic.co/terms-apps.html
Written user reviews are not shown here. Check current App Store reviews >
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.