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
旅迹 PhotoTrail
旅迹 PhotoTrail 会把相册里的时间与地点重新连成旅程，自动整理走过的城市、旅行路线、停留点和照片回忆，让每一次出发都有迹可循。
$1.99
PRICE
$1.99
No 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 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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Good fit for mobile-first iOS and Android prototypes with managed app scaffolding.
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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.
App evidence
Original App Store material. Ratings and screenshots describe the existing app, not proof of demand for your version.
App Store description
旅迹 PhotoTrail 会把相册里的时间与地点重新连成旅程，自动整理走过的城市、旅行路线、停留点和照片回忆，让每一次出发都有迹可循。 授权相册后，旅迹会读取获准访问照片的拍摄时间与 GPS 信息，在设备本地完成整理。无需手动打卡，也不会申请实时定位权限。 【自动发现旅行足迹】 • 识别去过的城市、旅行日期与定位照片 • 按时间整理旅行路线、停留点和照片墙 • 查看旅行天数、距离、城市与照片数量 • 设置常住地，让日常短记录不计入旅行 【在地图上重走旅程】 • 按省份与直辖市点亮中国足迹地图 • 查看路线停留点与完整旅行照片地图 • 展开地点照片卡片，快速浏览沿途回忆 • 可按单次旅程隐藏或恢复照片与停留点，不会删除系统相册原图 • 按春夏秋冬回顾不同季节与往年同期足迹 【把回忆做成作品】 • 制作可收藏、可分享的城市票根 • 将 Live Photo 放进旅行主题动态模板 • 生成旅行分享长图与高清足迹地图 • 通过“心事抽照”写下一句话，让一张旧照片回应此刻 • 使用系统分享面板发送给家人和朋友 【免费体验与永久 Pro】 免费版可使用旅行整理、城市足迹等核心功能，并体验照片地图、动态模板和作品导出。一次购买即可永久解锁旅迹 PhotoTrail Pro，包括无限导出、Live Photo 去 Logo、无限查看完整照片地图与旅行照片、全部城市票根模板，以及每日 3 次心事抽照。购买和恢复购买均由 Apple StoreKit 处理，无需注册账号。 【隐私优先】 照片、实况片段、拍摄时间和原始 GPS 轨迹不会上传到旅迹服务器。旅行整理、模板合成与分享长图主要在本机完成。为了显示城市名称，扫描时会将整理后的地点坐标交给 Apple 地理服务查询；地图由 Apple MapKit 加载。 你可以随时清除旅迹在本机生成的足迹数据，这不会删除系统相册里的照片。支持完整相册访问和“所选照片”访问。 部分功能需要照片包含拍摄时间或 GPS 信息；Live Photo 模板需要相册中存在可用的实况照片。若照片原片仅保存在 iCloud，iOS 照片框架可能需要联网下载原始资源。
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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
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.
