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.
Available exclusively on the App Store, meticulously designed to be beautifully powerful, and painstakingly engineered for iPhone — Inspire delivers an incredibly fast and realistic painting, drawing, and sketching ex...
$9.99 · 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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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 Inspire: 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 for advanced design tools
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: Inconsistent performance on older devices
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: Limited sharing options
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: Higher subscription costs for premium 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.
Available exclusively on the App Store, meticulously designed to be beautifully powerful, and painstakingly engineered for iPhone — Inspire delivers an incredibly fast and realistic painting, drawing, and sketching experience that you can take with you wherever you go and use whenever inspiration strikes. Our proprietary painting engine Sorcery™ takes full advantage of the GPU to render brush strokes with brilliant 64-bit color, laser-sharp sub-pixel precision, and insanely fast speed. While the strokes of a wet oil paint brush look beautiful on their own, the breathtaking blending effects of a dry brush will absolutely stun you. Graze the canvas with just a bit of pressure to add a subtle blur to your artwork or use stronger pressure to actually mix existing colors on the canvas together to create new ones. Whether you are a budding artist, seasoned professional, or somewhere in-between, you will enjoy the simplicity and power of the most intuitive and compelling illustration app for iPhone, Inspire. Amazing Brushes • 150 high-quality brushes to choose from, divided into 15 sets: Oil Paint, Airbrushes, Spray Paint, Paint Splatter, Graphite Pencils, Wax Crayons, Markers, Chalk, Charcoal, Pastels & Conté, Basic Shapes, Complex Shapes, Shape Outlines, Patterns, and Textures • All brushes can be used as a Wet Brush, Dry Brush (Blending), or Eraser • Over 20 different settings are available to customize brush strokes with powerful versatility and variation The Best Painting App for iPhone • Sorcery™, the fastest 64-bit painting engine on the App Store • Create a canvas of any size up to 16K (64MP) • Dual-texture brushes • 64-bit color • All device orientations are supported all the time — switch from portrait to landscape painting with ease • 1000 levels of undo and redo are available • Touch and slide hotspots can be used to quickly change brush size, opacity, and pressure without opening a menu • The eyedropper tool can be used with a touch and hold gesture to select paint colors from the canvas • The canvas can be moved around, rotated, and zoomed in and out up to 6400% Canvas Playback Video Recording • Brush strokes are automatically recorded as you paint without any delay • You can play the video of your artwork being created stroke-by-stroke directly in the gallery • Export high-quality videos of your artwork to your Photos Full-Featured Color Picker • Choose any paint color you can dream of with the intuitive color picker • HSB and RGB sliders accompany a large color circle, color square, and opacity slider • Your latest colors are saved to a palette automatically while you paint • You can also save your favorite colors to a palette with drag and drop Visit snowCanoe.com to check out more screenshots, videos, and artwork. With no subscription fees or in-app purchases, you own Inspire and all future updates forever, with just one purchase!
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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.