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.
Zoetrope It is the first iPhone app built specifically to bring your zoetrope vinyl records to life.
$6.99 · 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 Zoetrope It: Animated Vinyl: map the core Photo & Video 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 find photo animation apps lacking in advanced editing features.
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: Limited sharing options can frustrate users.
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: Many apps in this category have poor performance with large images.
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: Paywalls can deter users from trying features.
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.
Zoetrope It is the first iPhone app built specifically to bring your zoetrope vinyl records to life. Your record has a secret animation. Your eyes can’t see it spinning. Your camera won’t cooperate. Most strobe apps are full of ads. We fixed that. Pick the RPM. Hit play. The animation appears directly on the record — with your own eyes. See it, don’t just film it Zoetrope It uses your iPhone’s flashlight as a precision strobe locked to 33⅓, 45, or 78 RPM. The animation happens on the vinyl itself — not inside a camera viewfinder. Your friends won’t believe it until you hand them the phone. Works with your collection From Jack White to Pearl Jam, Gorillaz to Olivia Rodrigo, Record Store Day exclusives to indie picture discs — Zoetrope It is tuned for every RPM and every pressing. A real camera mode too Want to post it? Switch to Camera mode to record for TikTok, Instagram Reels, or anywhere else. Frame rate, shutter, and exposure lock automatically to the record’s rotation. No flicker. No watermark. No limits. Fine-tune when you need it For non-standard pressings, adjust Frames per Revolution manually. Use Fine Adjust for perfect sync, and control flashlight brightness and screen brightness for any setup. Simple when you want it. Precise when you need it. No ads. No subscription. Pay once. Keep it forever. No popups. No dark patterns. No “Unlock Pro” screens. Just the tool your turntable deserves.
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.