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
Transparent Drawing
Transparent drawing is the ultimate tool for tracing and redrawing reference images onto physical paper using your iPad's camera – no expensive projector needed!
$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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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.
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/
Preview a sample Build Kit No email needed
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 Transparent Drawing: 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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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
Offer a wide range of brushes and effects.
Assumption to check: Limited drawing tools compared to advanced apps
Validate with people who use this workflow before building.
Hypothesis 2
Add real-time collaboration for multiple users.
Assumption to check: No collaboration features
Validate with people who use this workflow before building.
Hypothesis 3
Implement a better gallery layout with sorting and filtering.
Assumption to check: Difficult to navigate between drawings
Validate with people who use this workflow before building.
Hypothesis 4
Include onboarding tutorials and help guides.
Assumption to check: Lack of tutorials or help sections
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
Transparent drawing is the ultimate tool for tracing and redrawing reference images onto physical paper using your iPad's camera – no expensive projector needed! Prop your iPad above your drawing surface (with a stand or books), pick any image from your photos, and watch it appear as a semi-transparent overlay on the live view of your paper. Adjust opacity for the perfect visibility, pinch to zoom, and drag to align exactly where you want. Key Features: Live rear camera feed with real-time overlay Import any image from your photo library Adjustable transparency (0-100%) Pinch-to-zoom (up to 8x) and drag to position perfectly Reset view with one tap Works offline – no internet required Optimized for iPad (portrait & landscape) Ideal for: Learning proportions and anatomy Transferring digital sketches to paper Creating accurate portraits, illustrations, or tattoos Art classes, hobbies, or professional work Free Version: Try up to 10 image selections Watch a quick rewarded video for +5 extra selections Subtle banner ad at the bottom Go Pro (One-time purchase): Unlimited selections No ads forever Support ongoing development Start creating masterpiece tracings today – point, trace, draw!
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
React Native
Expo
Zustand
React Navigation
Expo Image Picker
Expo File System
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.
