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
Tattoo Stencil Lab
Tattoo Stencil Lab is a professional stencil maker for tattooers, painters, and graphic designers
$8.99 · In-app purchases
PRICE
$8.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
★ 5.0
4 ratings · Top 5%
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/
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 Tattoo Stencil Lab: 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
Implement a more guided image upload process with templates.
Assumption to check: Users often struggle with the image upload process.
Validate with people who use this workflow before building.
Hypothesis 2
Add more advanced editing features like layers and effects.
Assumption to check: Limited editing tools for stencil creation.
Validate with people who use this workflow before building.
Hypothesis 3
Optimize the app for better performance on lower-end hardware.
Assumption to check: Inconsistent performance on older devices.
Validate with people who use this workflow before building.
Hypothesis 4
Integrate social media sharing options to enhance user engagement.
Assumption to check: Lack of social sharing features.
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
Tattoo Stencil Lab is a professional stencil maker for tattooers, painters, and graphic designers. Create clean, black-and-white stencils from photos, with precise control over line work, detail, and tone. Designed for real workflows, this app helps you experiment, refine, and save stencil settings that work best for your style and printer. Key Features • Create tattoo stencils from photos • Adjustable edge detection for clean outlines • Control fine detail and texture • Thicken or thin lines for better stencil transfer • Pull in tonal information for shading reference • Blur the original image to reduce noise • Save and reuse custom stencil presets • Export stencil-ready images for printing Built for Tattooers and all Artists. Every photo, body, and tattoo is different. Tattoo Stencil Lab is designed to let you test settings, make adjustments, and dial things in... instead of forcing a single look. Save presets once you find what works, then apply them again anytime. Simple and Private • No accounts • No subscriptions • No image uploads • Images stay on your device Tattoo Stencil Lab works offline and is built for speed and reliability in the studio. Who It’s For Tattoo Stencil Lab is made for tattooers, painters, designers and all artists who want more control over their stencil process... and understand that better stencils lead to better final products.
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
zustand
@supabase/supabase-js
react-native-reanimated
BUILD KIT DIFFICULTY
Advanced
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.
