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
出行轨迹
旧版app数据迁移到新app 教程
$0.99 · In-app purchases
PRICE
$0.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
★ 4.9
11 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 included16 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 出行轨迹: map the core Travel 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
Integrate with booking services for a seamless experience.
Assumption to check: Limited integration with third-party travel services
Validate with people who use this workflow before building.
Hypothesis 2
Implement strict data protection measures and transparency.
Assumption to check: User data privacy concerns
Validate with people who use this workflow before building.
Hypothesis 3
Allow users to access route information without internet.
Assumption to check: Lack of offline functionality
Validate with people who use this workflow before building.
Hypothesis 4
Provide users with more customizable trip planning tools.
Assumption to check: Limited customization options for trips
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
旧版app数据迁移到新app 教程 http://flywithbug.github.io/trip/transfer 注意：如果您的手机系统是ios12，可能会有遇到一些意外的问题，可以尝试升级到比较高的系统版本解决 出行轨迹无需登录或者注册账户，打开即可使用。 实用特性： - 后台自动记录您的出行轨迹，即使被杀掉也能记录 - 可以自动分析你当天的运动数据 功能特性 - 中国大陆地区轨迹坐标自动纠偏 - 全球其他地区也可以正常使用 - 常去地点自动纠偏优化 - 可以地图上查看您的出行轨迹，可以进行轨迹回放 - 可以查看轨迹路线中的每一个gps坐标数据 使用体验： - 地图显示非常流畅 - 后台运行时耗电极少 - 安装包体极小 - 数据存储在本地，保证信息安全 这是一款记录你旅行足迹的app。 时间容易让人遗忘，三天前的事情可能已经记不太清，再早些的事情就更加模糊。 但是如果可以知道当时去了哪里，拍了哪些照片，或许就可以唤醒自己记忆深处那些最美好的回忆。 电池使用: - 持续后台使用gps会降低电池的续航时间 continued use of gps running in the background can dramatically decrease battery life 注意事项: - 足迹需要再后台持续运行来记录您的行程。确保为足迹启用后台程序刷新（iphone设置->通用->后台应用刷新） - 建议定位权限使用始终允许，否则应用进入后台状态顶部会有提示栏，过一段时间之后，定位功能会被关闭。
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.
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Axios
BUILD KIT DIFFICULTY
Advanced
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.
