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
实时高度表Plus - 户外旅游必备，水印相机小红书打卡神器
不仅是一款精准的指南针，更是集成经纬度定位、海拔气压监测、磁场探测与水印相机的全能工具。无论登山徒步、露营探险，还是日常方位识别，它都是您口袋里的可靠向导。
$0.99
PRICE
$0.99
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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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/
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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Free quick prompt For a smaller starting point
Quick prompt
Good fit for mobile-first iOS and Android prototypes with managed app scaffolding.
// RORK SYSTEM PROMPT
Rork plan preview for 实时高度表Plus - 户外旅游必备，水印相机小红书打卡神器: 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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App evidence
Original App Store material. Ratings and screenshots describe the existing app, not proof of demand for your version.
Screenshots
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App Store description
不仅是一款精准的指南针，更是集成经纬度定位、海拔气压监测、磁场探测与水印相机的全能工具。无论登山徒步、露营探险，还是日常方位识别，它都是您口袋里的可靠向导。 # 专业指南针 实时显示当前朝向与精确度数（0°–360°） 方位中文指示，一目了然 刻度盘随设备转动，红色指针始终指向北——还原真实罗盘体验 支持磁北/真北自动校准 # 精准定位与坐标 显示当前经纬度（度分秒格式，精确至秒）、地理位置 支持北纬/东经、南纬/西经自动识别 实时海拔高度 日出日落 # 环境传感器 大气压强（hPa） 磁场强度（µT / 高斯） 适用于判断天气变化、电磁环境监测 # 水印相机 —— 记录带位置的照片 全屏拍摄，所见即所得 智能水印：照片自动叠加经纬度、海拔、方位、时间、气压 支持水印开关，随时控制是否显示 拍摄后全屏预览，支持「重拍」与「使用照片」 照片保存至系统相册，分享更方便 为用户提供了一种记录地理位置信息的新方式，特别适合户外探险、旅行记录等场景。 # 适用场景 户外运动：登山、徒步、露营、骑行、钓鱼 旅行打卡：用经纬度水印记录每一处足迹 专业参考：地理考察、测绘辅助、无线电爱好者 日常实用：辨别方向、测量海拔、了解周边气压变化 应急工具：无需网络，离线可用
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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 better sensor calibration and error handling.
Assumption to check: Apps may crash due to poor altitude data accuracy
Validate with people who use this workflow before building.
Hypothesis 2
Add more social sharing features for photos.
Assumption to check: Limited sharing options for photos
Validate with people who use this workflow before building.
Hypothesis 3
Enhance navigation flow with clearer icons and labels.
Assumption to check: Difficult to navigate between screens
Validate with people who use this workflow before building.
Hypothesis 4
Enable user profiles with customizable settings.
Assumption to check: Lack of user personalization
Validate with people who use this workflow before building.
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
Victory Native
React Navigation
Firebase
Axios
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.
