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.
Take back control where it matters most
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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 Zone before you Phone: 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: Users often struggle with maintaining focus due to distractions.
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: Lack of analytics to track focus trends.
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: Inconvenient navigation between sessions.
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: Limited customization options for focus sessions.
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.
Take back control where it matters most. Distracting apps disappear automatically — based on where you are. Walk into the library, and Instagram is gone. Step into the gym, and TikTok stops mid-scroll. Come home, and work emails fade into the background. No timer to set. No willpower to summon. The right apps go quiet in the right places, every time. WHY THIS WORKS Most blockers fight you in the moment — exactly when willpower is weakest. This one doesn't. You make the decision once, calmly, ahead of time. Then the place itself does the rest. MADE FOR REAL LIFE — Study spots: keep social media out of your library, lecture hall, or favorite café — The gym: no scrolling between sets — Work and home: separate the two with a single line on the map — Bedroom: turn off the dopamine drip before sleep — Family time: bring quiet to the rooms where people matter, not screens HOW IT WORKS Drop a pin on the map. Choose how wide the area should be. Pick which apps go quiet when you arrive — or when you leave. That's it. The app runs gently in the background and reacts the moment you cross the line. YOUR DATA STAYS WITH YOU Your location never leaves your device. Nothing is uploaded. Nothing is tracked. Nothing is shared. Everything runs on Apple's secure on-device geofencing — the same technology behind reminders. NO ACCOUNT, NO ADS, NO NONSENSE Open it, set things up, get on with your day. No sign-up. No subscription pop-ups. No advertising. Just a quiet tool that helps you build the habits you want. Made for people who already know what they want to change. Sometimes the missing piece isn't motivation — it's the right kind of friction in the right place.
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.