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
Gaslight Magic
Perform a mesmerizing light show on your phone
$19.99 · In-app purchases
PRICE
$19.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
★ 4.1
12 ratings · Top 30%
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 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 Gaslight Magic: 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
Expand trick library and allow user submissions.
Assumption to check: Limited trick variety compared to competitors.
Validate with people who use this workflow before building.
Hypothesis 2
Introduce a subscription model for more accessible pricing.
Assumption to check: High one-time purchase price.
Validate with people who use this workflow before building.
Hypothesis 3
Implement a recommendation engine based on user preferences.
Assumption to check: Lack of personalized recommendations.
Validate with people who use this workflow before building.
Hypothesis 4
Add forums or chat features for user interaction.
Assumption to check: No community features for users.
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
Perform a mesmerizing light show on your phone. No complicated gimmicks or accessories that you have to clip onto your phone. This is a self-contained application that can turn heads. Multiple light show patterns available, such as dance, zig-zag, and ping-pong around the back of the phone. Make your audience question reality when you perform Gaslight by Seth Race & Chris Hanowell. Learn how to perform this magical fun show and dress it up with the use of a cloth, such as a handkerchief or a napkin. The app is fully customizable, so it can work with any iPhone model currently supported by Apple. A little choreography is all it takes to make this illusion look perfect. Additionally, Gaslight can be combined with some of your favorite LED magic products to make it appear as if you remove the light from the phone and put it back on. This incredible app allows you to perform wild visuals using an object everyone carries in their pocket: a cell phone. This trick is easy to do and will find its way onto your home screen to be something you perform every day. Give your iPhone magic a ghostly kick when you perform Gaslight by Seth Race and Chris Hanowell. Wow your audience like a moth to a flame in a gaslight, with Gaslight Magic! Cloth and other LED accessories not included.
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
Axios
React Navigation
Expo AV
BUILD KIT DIFFICULTY
Starter
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.
