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
從粤語學英語 - DualFables
踏入經典童話的世界，迎接你的雙語故事體驗——DualFables！無論是語言學習者還是童話愛好者，DualFables為你呈現英語和廣東話並排的經典故事。深入到《三隻小豬》、《小紅帽》、《傑克與豌豆藤》、《龜兔賽跑》及《彼得兔的故事》等廣受喜愛的故事中，輕鬆提高語言能力和理解力。
$1.99 · In-app purchases
PRICE
$1.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
N/A
No ratings yet
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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A product spec, screen plans, and build steps for your coding agent.
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What's included14 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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Quick prompt
Good fit for mobile-first iOS and Android prototypes with managed app scaffolding.
// RORK SYSTEM PROMPT
Rork plan preview for 從粤語學英語 - DualFables: map the core Books 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
Introduce user-generated content or community submissions.
Assumption to check: Limited content variety in stories.
Validate with people who use this workflow before building.
Hypothesis 2
Implement a more detailed progress tracking system with milestones.
Assumption to check: Difficulty in tracking progress.
Validate with people who use this workflow before building.
Hypothesis 3
Add quizzes or flashcards based on vocabulary from stories.
Assumption to check: Lack of interactive features.
Validate with people who use this workflow before building.
Hypothesis 4
Expand to include other language pairings and dialects.
Assumption to check: Single language focus may limit user base.
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
踏入經典童話的世界，迎接你的雙語故事體驗——DualFables！無論是語言學習者還是童話愛好者，DualFables為你呈現英語和廣東話並排的經典故事。深入到《三隻小豬》、《小紅帽》、《傑克與豌豆藤》、《龜兔賽跑》及《彼得兔的故事》等廣受喜愛的故事中，輕鬆提高語言能力和理解力。 不論你在學習廣東話、加強英語，或純粹享受故事的樂趣，DualFables 為所有年齡層的讀者而設。DualFables以精美的翻譯內容和易於導航的版面，帶來引人入勝和富有意義的閱讀體驗。 主要特色： 英語和廣東話的經典童話翻譯 並排閱讀，提升理解力 適合所有閱讀水平的使用者友好設計 完美適合語言學習者、兒童和童話迷
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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.
SUGGESTED BUILD STACK
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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.
