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.
Aurora notification app with observation reports
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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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 Aurora Notifier: 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 for notifications
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: Inaccurate location detection
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: Lack of detailed historical data
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: No social sharing features
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.
Aurora notification app with observation reports. Finally available for iOS. This aurora notification app shows notifications when it may be possible to see the northern lights (aurora borealis / australis)! It provides configurable thresholds for local aurora probability, Kp-index (Hp30), solar wind parameters (Bz/Bt) and Kp-level forecast for the evening. It also allows you to be alerted when other app users nearby have seen the aurora light display. For the alert feature to work, other app users register aurora reports when they are successful hunting and get to see the aurora light display. This has proven to be quite successful. Many of the app users also upload pictures of northern lights when they see them, and in this app you can see these pictures. You can also see dots on a 3d-globe animation showing where people have just observed the light show. There are users in the US, Canada, Europe, Australia and New Zealand who regularly report their observations and upload pictures. Although the chances are greater if you live in Alaska, northern Canada, Norway, Sweden, Finland, the southern tip of New Zealand etc, there are also regular opportunities in places like Minnesota, Wisconsin, Washington, Montana, Michigan, Chicago, New York, Scotland, Denmark, Germany, the United Kingdom, France, the Baltics etc. The premium version which can be bought within the app itself offers some more technical information and graphs of Kp-index predictions, cloud cover and solar wind parameters - and some hidden features. The app has an associated X account (@aurora_notifier - https://x.com/aurora_notifier) and an Instagram account (@auroranotifierapp - https://www.instagram.com/auroranotifierapp). Consider following those.
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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.