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
Gender Reveal Wheel
Baby Gender Reveal Wheel: Your Go-To App for Gender Reveal Parties
$1.99 · In-app purchases
PRICE
$1.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
★ 2.3
6 ratings · Below Average
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.
Build your own version
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/
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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 Gender Reveal Wheel: 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 multiple templates and color choices.
Assumption to check: Limited customization options for the wheel design
Validate with people who use this workflow before building.
Hypothesis 2
Implement smoother, more visually appealing spin animations.
Assumption to check: Lack of engaging animations during the spin
Validate with people who use this workflow before building.
Hypothesis 3
Focus on stability and user feedback to enhance performance.
Assumption to check: Poor user ratings due to bugs and crashes
Validate with people who use this workflow before building.
Hypothesis 4
Enable users to share their reveals on social media.
Assumption to check: No 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
Baby Gender Reveal Wheel: Your Go-To App for Gender Reveal Parties Celebrate your baby’s arrival in style with Baby Gender Reveal Wheel, the ultimate app for hosting unforgettable gender reveal parties. With customizable features, vibrant designs, and easy sharing options, this app makes your gender reveal moments extra special. Features: Vibrant color choices: Select from a rainbow of colors to make your wheel stand out at any party. Personalized messages: Add your own text to make the reveal special. Custom post-spin message: Display a unique message after the spin to enhance the excitement. Gender selection: Keep the baby's gender a surprise until the big reveal. Easy sharing: Share your personalized reveal link effortlessly with friends and family. Make your gender reveal party unforgettable with the Baby Gender Reveal Wheel. It’s the perfect baby app for pregnancy celebrations, combining fun, interaction, and visual appeal. Perfect for Every Gender Reveal Party Whether you’re planning a grand event or an intimate gathering, Baby Gender Reveal Wheel makes your celebration unforgettable. It’s the perfect companion for pregnancy announcements, ensuring everyone feels the joy and excitement of the big reveal. Here are some private feedback comments received: “The Baby Gender Reveal Wheel app made our gender reveal party unforgettable—fun, interactive, and perfect for sharing our pregnancy joy!” “A fantastic baby app for gender reveals! Easy to use, vibrant colors, and a great way to celebrate our baby’s big surprise.” “This app was a hit at our party! The customizable wheel added so much fun to our pregnancy announcement.” “Perfect for a gender reveal party! The Baby Gender Reveal Wheel made sharing the baby’s gender with friends and family a blast.” “Loved using this baby app for our gender reveal! It added excitement and fun to our pregnancy celebration.” Join the baby gender reveal fun today!
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
React Navigation
expo-sound
react-native-animatable
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.
