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.
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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 ContactClean Pro - Address Book Cleanup & Repair: map the core Productivity 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 features for handling large contact lists
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: Manual merging can be tedious
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: No cloud backup options
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: Lack of customization for cleanup preferences
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.
Is your address book a messy collection of contacts imported from old phones and computers? Use ContactClean to eliminate duplicates and find missing data to clean your address book! Combine several partial contacts for the same person into a single complete one. Automatic Cleanup finds duplicate contacts with the same name and same phone or email to quickly and automatically combine doubles. Or cleanup yourself, to decide how to combine the doubles into one. Find misnamed contacts, such as those with only a first name, to quickly add the missing parts. Even search and replace to get rid of old information that other phones may have left around in your address book. Easily email yourself a backup of your address book, delete batches of old contacts with just a few taps, and more. NOTE: This app works best if your contacts are synced to iCloud. Syncing to other data sources, such as your computer or other servers, may later "fix" the contacts back to the way they were before you cleaned them!
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.