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.
Featured on ABC7 New York · Recommended by the FSHD Society
$1.99 · 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 Rollin Concierge: Access Map: map the core Lifestyle 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 service options compared to competitors
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: Lack of user reviews for services
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: Subscription model may deter casual users
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: In-app purchase confusion
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.
Featured on ABC7 New York · Recommended by the FSHD Society "Restaurants say their space is accessible — and we all know that's often not the case. Enter ROLLIN, a new app providing detailed information about and ratings of the accessibility of local restaurants." — FSHD Society The most trusted name in accessibility. In your pocket. You called ahead. You read the reviews. You studied every photo. And you still arrived to stairs, a bathroom you couldn't use, and a host who had no idea what to do. That ends today. ROLLIN tells you exactly where you can go, before you ever leave home. EVERY VENUE, SCORED 0 TO 100. We don't deal in vague "wheelchair accessible" checkboxes. Every place earns a real, transparent score based on what actually matters: wheelchair entry, accessible restrooms, accessible parking, wide aisles, level pathways, and more. One number tells you what to expect. Tap it for the full breakdown. KNOW BEFORE YOU GO. Open any venue for the complete picture: what's confirmed accessible, what isn't, and what's still unknown. When we're not certain, we say so. No spin, no guesswork, just honest information you can plan a day around. 105,000+ PLACES AND GROWING. Restaurants, cafés, bars, hotels, shops, parks, and landmarks across 9 states and dozens of major metros — from New York and Boston to LA, San Francisco, Miami, Chicago, and DC. New places added every month. A MAP BUILT AROUND YOU. Find accessible spots nearby on a beautiful live map. Explore in immersive 3D Flyover, switch to satellite, and search the entire ROLLIN world instantly. "You're Here" detection surfaces your best options the moment you arrive somewhere new. Stunning in both light and dark mode. TAILORED TO YOUR NEEDS. Tell ROLLIN the accessibility you require and every recommendation reorders around you. Step-free entry, an accessible restroom, parking — set your priorities once, and the whole app works the way you do. CURATED GUIDES WITH REAL TASTE. Hand-picked features and seasonal collections written by genuine editors. Magazine-quality recommendations, made for the way you actually move through the world. POWERED BY A COMMUNITY THAT GETS IT. Every rating comes from real people who've been there. Every correction makes the data sharper. Our most accurate contributors earn higher trust, so the best information always rises to the top. YOUR PERSONAL ACCESSIBILITY CONCIERGE. Check in to venues. Track your visit history. Build and share lists of the places you love. Get notified when a great accessible spot is right around the corner. And look for the gold ROLLIN CERTIFIED badge, venues with verified accessibility you can trust at a glance. BUILT FROM EXPERIENCE. ROLLIN was created by a son who was tired of watching his father, who has FSHD muscular dystrophy, get turned away from restaurants. No ads. No selling your data. Stop guessing. Start living. Welcome to ROLLIN.
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.