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
Mirror Drawing Studio
"Mirror Drawing Studio" turns every touch into a masterpiece
$1.99 · In-app purchases
PRICE
$1.99
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 Mirror Drawing Studio: 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 wider variety of brushes and effects.
Assumption to check: Limited drawing tools compared to competitors
Validate with people who use this workflow before building.
Hypothesis 2
Introduce real-time collaboration features.
Assumption to check: No support for collaboration
Validate with people who use this workflow before building.
Hypothesis 3
Allow users to export in various file formats.
Assumption to check: Lack of export options
Validate with people who use this workflow before building.
Hypothesis 4
Implement a tutorial to guide new users.
Assumption to check: Weak onboarding experience
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
"Mirror Drawing Studio" turns every touch into a masterpiece. Draw with perfect symmetry, vivid colors, and glowing light effects. Every stroke mirrors in real time across multiple axes, creating hypnotic mandalas, fractal flowers, or futuristic neon art — no drawing skills required. Built for creators, designers, and anyone who loves visual flow. Instant Symmetry – Choose up to 16-way mirroring for flawless radial or reflective symmetry. Neon & Gradient Brushes – Add depth and glow to every line. Motion Reactive Brush – Control brush width and opacity naturally by tilting your device. Smart Auto-Correct – Instantly perfect lines, circles, and shapes when you pause your stroke. Tiling Canvas – See your art seamlessly repeat in an infinite pattern. Camera Color Picker – Capture real-world colors through your device camera. Time Machine Slider – Rewind or replay your drawing process stroke by stroke. Unlimited Undo & Erase – Full creative freedom with no constraints. Export in High Quality – Save or share as vibrant wallpapers, posters, or NFTs. "Mirror Drawing Studio" is a complete digital art experience combining geometry, motion, and creativity in one elegant app. Unlike basic symmetry drawing tools, "Mirror Drawing Studio" integrates: Live motion sensing via CoreMotion, giving brush dynamics that respond to real-world tilt. Neon rendering with variable glow radius using GPU-level blur control. Auto shape recognition for instant geometric correction. AI-based color palette generation from natural text prompts (e.g., “sunset fog graphite”). Real-time tiling preview for pattern designers and textile artists. Every visual output is mathematically precise yet organically alive. Mandala and Zen doodle creation Visual meditation and stress relief NFT and generative art design Wallpaper, tattoo, and pattern ideation Educational geometry visualization No subscriptions, no ads Full offline functionality No tracking, no analytics. Everything stays on-device
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
Supabase
Redux
react-native-reanimated
Zustand
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.
