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
BalletLingo
Whether you’re a beginner or an experienced dancer, BalletLingo is here to enrich your ballet journey
$1.99
PRICE
$1.99
No in-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
★ 1.0
1 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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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 BalletLingo: map the core Reference 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
Enhance with community contributions or user-generated content
Assumption to check: Limited content available for learning
Validate with people who use this workflow before building.
Hypothesis 2
Implement a more intuitive navigation structure
Assumption to check: Poor navigation flow
Validate with people who use this workflow before building.
Hypothesis 3
Modernize UI with current design trends
Assumption to check: Outdated design
Validate with people who use this workflow before building.
Hypothesis 4
Add quizzes or challenges to engage users
Assumption to check: Lack of user engagement 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
Whether you’re a beginner or an experienced dancer, BalletLingo is here to enrich your ballet journey. Designed to enhance your knowledge and technique, this app is perfect for students, teachers and ballet enthusiasts alike. Explore the Art of Ballet: BalletLingo offers a comprehensive collection of ballet terms, positions, and techniques, complete with detailed definitions and explanations. Dive into the world of ballet with rich information about: • Notable dancers and influential figures • Iconic performances • Renowned schools and prestigious companies Why BalletLingo? • Extensive Ballet Glossary: Access an ever-expanding library of ballet terms, positions, and movements, with clear definitions and explanations. • Pronunciation Guidance: Perfect your understanding with correct pronunciations of key ballet terms. • Stunning Visuals: Bespoke word art images bring ballet concepts to life, helping you visualise abstract ideas. • User-Friendly Design: Navigate effortlessly with an intuitive interface. Light and dark modes are available for a customised experience. Whether you’re deepening your technical knowledge or celebrating the beauty of ballet, BalletLingo is your essential guide to the art form.
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
React Navigation
Async Storage
Axios
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.
