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.
Your photo library holds thousands of photos
$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 Wanderoll - Travel Film Rolls: map the core Travel 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 may struggle with organizing and retrieving photos among multiple albums.
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: Limited sharing options for albums.
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: Navigation may become cluttered with too many albums.
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: App may lack offline functionality.
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.
Your photo library holds thousands of photos. But how long does it take to find that one trip? Wanderoll does one thing: it reads your library and automatically develops your travels into "film rolls" — one roll per trip, stamped with real place names, sorted by year. The moment you open the app, years of journeys are already organized. AUTOMATIC — NO SORTING REQUIRED No albums to create, no photos to pick. Wanderoll reads time and location metadata to detect real trips: it learns where home is (even two homes), filters screenshots, and counts a burst as a single moment. Two trips never merge into one; one trip never splits in half. And when it does get something wrong, a long-press lets you merge, hide, or remove. A FOOTPRINT MAP Every place you've been lights up on a hand-drawn world map, with your route traced in one stroke. Each pin holds the photos from that trip. ROLLS, LIKE REAL FILM Every trip is a strip of film with sprocket holes: a cover shot, a date stamp, a place name. Inside: the photo wall, your notes, a mini map. Videos and Live Photos included. ONE PICTURE FOR THE WHOLE YEAR The annual journal card: polaroid collage, an orange postmark, kilometers traveled, your longest trip, the route you took. One shareable image that looks good anywhere. Every roll gets its own card too. A TRAVEL CONSTELLATION Your footprints drawn as a night sky — cities as stars, routes as constellations, placed by real coordinates. Save it as a wallpaper. ON THIS DAY A home screen widget surfaces travel photos from this day in past years. One tap opens the roll. Memories come to you. YOUR CITIES How many cities, how many days in each, your favorite month to leave, how this year compares to last — the collector in you will love it. 100% ON-DEVICE No account. No server. No cloud. Photos and location data are processed entirely on your iPhone — not a single byte leaves it. We collect nothing. That's not a promise; this app simply has no way to upload. For you, if: · Your library is huge, unsorted, and full of trips you don't want to forget · You want a year-end travel recap that's actually yours · You care about privacy and won't hand your photos to a cloud · You love the feel of film, polaroids, and paper journals Download Wanderoll and see how far you've come.
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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.