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
上海话大词典(有声词典)
您不用看、不用写、只需听、随时随地学习上海话。您听得多、也就记得多了。内容涉及生活中的方方面面， 包含基本词汇与场景会话，采取双语对照标 注的形式展示内容，并配有真人发音，能够 准确、高效、便捷地学习地道的上海话表达。
$0.99 · In-app purchases
PRICE
$0.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
★ 5.0
1 ratings · Top 5%
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/
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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Quick prompt
Good fit for mobile-first iOS and Android prototypes with managed app scaffolding.
// RORK SYSTEM PROMPT
Rork plan preview for 上海话大词典(有声词典): 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 by integrating user-generated content.
Assumption to check: Limited vocabulary compared to comprehensive dictionaries.
Validate with people who use this workflow before building.
Hypothesis 2
Use professional recordings for better consistency.
Assumption to check: Audio quality may vary across words.
Validate with people who use this workflow before building.
Hypothesis 3
Implement filters by word type or usage.
Assumption to check: Lacks advanced search features like filters or categories.
Validate with people who use this workflow before building.
Hypothesis 4
Allow users to share words and definitions easily.
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
您不用看、不用写、只需听、随时随地学习上海话。您听得多、也就记得多了。内容涉及生活中的方方面面， 包含基本词汇与场景会话，采取双语对照标 注的形式展示内容，并配有真人发音，能够 准确、高效、便捷地学习地道的上海话表达。 上海话学习技巧： ①多听，培养语感；②从最简单的日常交际会话学起；③模仿发音，大胆开口讲；④持之以恒，不出一月，你就能“熟能生巧，脱口而出！” 上海是个开放性城市，在上海土生土长的“土著”并不多，绝大多数是历年外来的“移民”。想要真正融入上海，了解上海社会各人阶层，想要熟悉上海的风俗习惯，从而把握更多的商机，想要结交更多的上海人朋友，更好地表达自己的细腻情感，学一点上海话，尤其是适当用一些上海典型的俏皮话以突出语言的地方风味，确实是非常重要的呢！ 语言是交际的需要，也只有在交际中，才能学得快，学得好。希望你能够在公共汽车上，在商店里、在娱乐场所，在一切有上海人说上海话的地方多听听、学学、讲讲。 一、多听：每天听音频教程。逛市场或商店时，留意身边人们的对话，努力听懂，时时处处为自己创造一个语言环境。 二、多说：像学一门外语一样，先从日常会话开始，每天学三句（不必多，运用循环学习法，即每天学三句新的话，学新话前先复习昨天前天的三句），学了就用，不怕笑，因为别人笑是一种善意的笑，这时你正好问人家哪里说错了，立即改正。 总之，语言是一中技能，不是光靠理解所能学好的，要多听、多说，尤其是多说哦。 离线使用，不用上网也可以使用，速度快，无广告。
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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
React Native
Expo
Redux
Axios
React Navigation
React Native Sound
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.
