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.
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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.
Your first Build Kit is free with a verified email.
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 FPL: map the core Utilities workflow, choose the smallest differentiated feature set, define the data and monetization boundaries, then prototype the riskiest user journey first.
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Original App Store material. Ratings and screenshots describe the existing app, not proof of demand for your version.
Get more with just a tap of our app. Your fingerprint or FaceID will give you instant, secure access to your account so you can easily manage your power in the palm of your hand – report an outage and receive updates, get real-time bill notifications and reminders, find out about your next month’s projected bill amount and more! Features include: ALERTS AND REMINDERS -If you’re not already receiving your bill by email, you will be automatically switched to monthly email bills (and mobile app reminders) to quickly view, download and pay your bill – no more paper! Terms and conditions are available at fpl.com/ebillterms -Receive alerts and reminders when a new bill is ready to view and when it is due -Receive appointment reminders for scheduled appointments OUTAGE INFORMATION -Report a power outage -Check outage status and track restoration progress -Receive updates via push notifications ENERGY USE INFORMATION -View your projected monthly bill amount -Track your current, daily, weekly and monthly energy use -View your daily energy cost average and quickly see how your bill compares to the previous month ACCOUNT MANAGEMENT -Fingerprint login to view your real-time account balance, payment due date, balance details -View and download your bill (PDF) -Enroll in Pay Online and make a payment -Manage your saved payment methods -Schedule a future payment (if qualified) -Update your account profile – email address, phone number, and mailing address *FPL app use requires an active FPL account that is registered online at FPL.com
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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 integration with third-party services
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: Occasional crashes on older devices
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: Not enough customization options for notifications
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: Lack of detailed usage analytics
Validate with people who use this workflow before building.
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.
Not assessed in a Build Kit yet.
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.