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.
App Overview
Infinity - Nested Canvas
Infinity introduces nested infinite canvases — a concept you won't find elsewhere
$3.99 · In-app purchases
PRICE
$3.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
N/A
No ratings yet
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.
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Build Kit
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A product spec, screen plans, and build steps for your coding agent.
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What should your app do differently? Your note travels with the kit so your coding agent builds around your idea.
What's included15 files
A product spec, phased build plan, differentiation notes, and screen references.
- START_HERE
- AGENTS
- EVIDENCE
- SPEC
- BUILD_PLAN
- DIFFERENTIATION
- skills/
- screens/
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Illustrative example: an invoice app for independent contractors. Your kit is tailored to the app you choose; this is not its generated content.
Screen plan
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.
Differentiate and validate
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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Free quick prompt For a smaller starting point
Quick prompt
Good fit for mobile-first iOS and Android prototypes with managed app scaffolding.
// RORK SYSTEM PROMPT
Rork plan preview for Infinity - Nested Canvas: map the core Productivity workflow, choose the smallest differentiated feature set, define the data and monetization boundaries, then prototype the riskiest user journey first.
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Opportunities
AI-GENERATED OPPORTUNITY HYPOTHESES
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
Implement a more intuitive nesting feature for tasks.
Assumption to check: Difficulty in organizing complex tasks and ideas
Validate with people who use this workflow before building.
Hypothesis 2
Add sharing and collaboration options for projects.
Assumption to check: Limited collaboration features
Validate with people who use this workflow before building.
Hypothesis 3
Enhance notifications for reminders and updates.
Assumption to check: Inadequate notification settings
Validate with people who use this workflow before building.
Hypothesis 4
Provide clearer information on subscription benefits and usage limits.
Assumption to check: Paywall can be confusing
Validate with people who use this workflow before building.
App evidence
Original App Store material. Ratings and screenshots describe the existing app, not proof of demand for your version.
App Store description
Infinity introduces nested infinite canvases — a concept you won't find elsewhere. Every node you create can contain its own infinite canvas inside, and those nodes can contain more. Think without boundaries. Create nodes for your ideas, connect them visually, and dive deeper whenever a thought deserves its own space. Your canvas has no edges. Your depth has no limits. WHAT MAKES IT DIFFERENT - Nested canvases — enter any node to find another infinite space inside - Unlimited depth — go as many levels deep as your thinking requires - Visual connections — link related nodes with simple tap-to-connect - Built-in notepad — each node holds rich text notes - Saved positions — bookmark locations across your canvas for quick navigation DESIGNED FOR CLARITY - Minimal, focused interface - 24 accent colors to personalize your space - Smooth zoom from overview to detail - No clutter, no distractions PRIVATE BY DESIGN - 100% local storage — nothing leaves your device - No account required - No internet needed - Export and import your own backups Built for those who think in layers.
Written user reviews are not shown here. Check current App Store reviews >
Screenshots
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Build scope
Plan a focused first version with your coding agent. These are planning assumptions, not a delivery guarantee.
Define the first version
Choose one audience and one core workflow. Use the kit to agree on its screens, data, and acceptance criteria before building.
Set boundaries
Decide which secondary features, integrations, and platform support can wait. Your version does not need to reproduce everything in the original.
Check the hard parts
Validate external services, specialist technology, data access, and ongoing costs for your chosen scope.
SUGGESTED BUILD STACK
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Expo
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BUILD KIT DIFFICULTY
Intermediate
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.
