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
Scar Booth
Fake out your friends by adding realistic scars, cuts and bruises into your photos, with the Scar Booth iPhone App
$1.99 · In-app purchases
PRICE
$1.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
★ 4.7
603 ratings · Top 15%
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's included17 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 Scar Booth: map the core Entertainment 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 effects and regular updates.
Assumption to check: Limited effects and filters compared to competitors
Validate with people who use this workflow before building.
Hypothesis 2
Optimize app for better performance across all device models.
Assumption to check: Inconsistent performance on older devices
Validate with people who use this workflow before building.
Hypothesis 3
Integrate social sharing options to enhance user engagement.
Assumption to check: Lack of social sharing features
Validate with people who use this workflow before building.
Hypothesis 4
Implement a subscription model for better accessibility.
Assumption to check: High price point for premium effects
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
Fake out your friends by adding realistic scars, cuts and bruises into your photos, with the Scar Booth iPhone App. Take any picture and add virtual wounds to the photo. As seen on "The Doctors" tv show and slammed by the Daily Mail for being a little too realistic. Adjust the transparency and blur of the image to make it look like it is a real injury. Your friends and family will be convinced that you have suffered a painful injury when they see a photo of you with a black eye, bruises and a cut up face. Meanwhile you are looking as good as ever and have just posted a prank photo. Imagine the comments you will get when you post a photo of yourself with scars, cuts and bruises on Facebook and no one knows the story behind it. Excellent User Reviews "Dr - Good fun app and my kids think it's good too" "Brilliant - Love It" "So Much Fun - Cool App" "Koolness - Totally Koop luv it! It's super scary! I zombiefyed my mom, me, and my sis! I luv this app totally of the chain!" "Most Fun App Ever - I had so much fun mutilating myself and the rest of my family. I sent them to fb & fooled everyone" Features - Universal App for iPhone & iPad - Retina Graphics - Over 100 unique injury images and growing - Take a picture or load one from the album - Share via all popular social platforms Advanced Editing - Double Tap Zoom to zoom in and make fine edits - Adjust Transparency levels of injuries - Eraser, erase parts of the wound - Blur, adjust the blur of the wound - Brightness, adjust the brightness of the wound - Add multiple injuries to a photo - Adjust size, rotation and placement Download Scar Booth now and start making prank injury photos Got twitter? Follow us @appdicted PLEASE NOTE: Appdicted does not encourage violence towards anyone or any thing! This app was created as a fun prank app and nothing more.
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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.
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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.
