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
海关税则速查 - 2026海关税则查询海关编码查询进出口关税
海关税则速查是一款专业的HS编码查询工具，为进出口贸易从业者、报关员、外贸企业提供便捷的税则查询服务。
$0.99 · In-app purchases
PRICE
$0.99
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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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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Quick prompt
Good fit for mobile-first iOS and Android prototypes with managed app scaffolding.
// RORK SYSTEM PROMPT
Rork plan preview for 海关税则速查 - 2026海关税则查询海关编码查询进出口关税: map the core Business 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
Implement advanced search filters for categories and date ranges.
Assumption to check: Limited search functionality with no filters
Validate with people who use this workflow before building.
Hypothesis 2
Allow users to save favorite searches and set preferences.
Assumption to check: No user preferences or saved searches
Validate with people who use this workflow before building.
Hypothesis 3
Introduce an onboarding tutorial to guide users through app features.
Assumption to check: Lack of user onboarding
Validate with people who use this workflow before building.
Hypothesis 4
Add functionality to share search results via social media or email.
Assumption to check: No share options for results
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
海关税则速查是一款专业的HS编码查询工具，为进出口贸易从业者、报关员、外贸企业提供便捷的税则查询服务。 核心功能 实时搜索 支持商品编码和商品名称模糊查询，输入关键词即可快速定位目标商品。智能防抖技术确保搜索流畅高效，300毫秒响应速度让查询更加顺畅。 详细税率信息 完整展示最惠国进口税率、普通进口税率、暂定进口税率、消费税率、出口关税率、出口退税率、增值税率等七大税率类型，一目了然掌握商品税务成本。 监管条件解读 针对每个海关监管条件代码提供详细说明，包括A到Z共32种监管条件的全称和具体要求，帮助用户准确理解通关所需证件和手续。 申报要素指引 清晰列出商品申报时需要填写的各项要素，包括品名、规格型号、用途等关键信息，避免申报错误导致的通关延误。 收藏管理 支持收藏常用商品编码，建立个人税则库。收藏列表支持搜索筛选，快速找到需要的商品信息。 离线使用 所有数据本地存储，无需网络连接即可查询。保护用户隐私，数据安全可靠。 数据更新 税则数据更新至2026年7月6日，涵盖12000多条商品编码信息，确保查询结果准确有效。 HS编码结构说明 第1到2位：章 第3到4位：税目 第5到6位：子目 第7到8位：本国子目 第9到10位：监管附加码 适用人群 报关员、外贸业务员、采购经理、物流从业者、跨境电商卖家等需要频繁查询海关税则的专业人士。 界面设计 采用现代化扁平设计风格，支持深色模式，提供舒适的视觉体验。卡片式布局清晰展示信息层级，操作简单直观。 隐私保护 不收集用户个人信息，所有查询记录和收藏数据仅保存在本地设备，用户完全掌控自己的数据。
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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
Axios
React Navigation
React Query
Shadcn/UI
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.
