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.
ArtTracer — Camera Overlay for Drawing & Tracing
$2.99
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 ArtTracer: map the core Graphics & Design 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 compared to competing graphic design tools
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: Lack of user feedback mechanisms
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: No social sharing options
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: Unclear onboarding process
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.
ArtTracer — Camera Overlay for Drawing & Tracing Turn your iPhone or iPad into a powerful tracing tool. ArtTracer overlays any image onto your live camera feed, letting you trace directly onto paper, canvas, wood, walls, or any surface. Whether you're a beginner learning to draw, an artist scaling up a design, a crafter transferring patterns, or a muralist projecting layouts — ArtTracer helps you work faster and more accurately. No projector needed, no printing, no complicated setup. HOW IT WORKS 1. Choose an image from your Photo Library or Files 2. Tracer overlays it on your camera feed in real-time 3. Adjust opacity, scale, and position to fit perfectly 4. Trace onto your surface with confidence TWO TRACING MODES Normal Mode — Your image floats over the live camera feed. Pinch to resize, drag to reposition, rotate to angle it. Adjust opacity to see both the reference and your surface. Control the image or camera layer independently. AR Mode — Place your image onto a real surface using augmented reality. Scale it, lock it in place, and trace with the image anchored in 3D space. Perfect for larger surfaces where the reference needs to stay fixed as you move. GESTURE CONTROLS Pinch to scale, drag to reposition, two-finger rotate, and use the opacity slider to go from subtle to bold. Every gesture feels natural on both iPhone and iPad. BUILT FOR iPHONE & iPAD Fully optimized for every screen size. iPad gives you a larger working view, while iPhone keeps things portable. Adaptive layouts ensure everything looks right — no stretched elements, no wasted space. PERFECT FOR - Drawing & sketching — trace references to learn proportions - Lettering & calligraphy — transfer designs onto paper - Crafts & DIY — project patterns onto fabric, wood, or other materials - Murals & wall art — scale designs onto large surfaces - Tattoo stencils, cake decorating, pumpkin carving, embroidery, woodworking, and more FEATURES - Real-time camera overlay with adjustable opacity - AR surface tracking with image placement - Pinch, drag, and rotate gestures - Independent image and camera layer control - Lock mode to prevent accidental changes - Flashlight toggle for low-light tracing - Smart saved images gallery sorted by recency - One-tap resume for your last session - Import from Photo Library or Files - No account, no subscriptions, no ads PRIVACY Everything stays on your device. No cloud uploads, no tracking, no analytics. Camera access is used solely for the live viewfinder — nothing is recorded. Download Tracer and start bringing your creative ideas to life.
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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.