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
房价-中国房价行情数据查询平台
一款房地产数据查询的APP
$3.99 · In-app purchases
PRICE
$3.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
★ 5.0
2 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 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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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 房价-中国房价行情数据查询平台: map the core Finance 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 data richness by integrating more APIs for detailed listings.
Assumption to check: Limited property details and images available
Validate with people who use this workflow before building.
Hypothesis 2
Implement caching mechanisms to speed up data retrieval.
Assumption to check: Slow loading times for property data
Validate with people who use this workflow before building.
Hypothesis 3
Introduce customizable price alert features for users.
Assumption to check: Difficult to set alerts for price changes
Validate with people who use this workflow before building.
Hypothesis 4
Offer a more transparent breakdown of premium features and their benefits.
Assumption to check: Subscription may seem expensive without clear value
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
一款房地产数据查询的APP 关注房价, 守住你的钱袋子. 这款APP是房产信息分析,投资理财参考利器, 适用于关注经济,房地产信息的用户 APP综合分析国家统计局房地产数据,给出相对专业的统计分析, 含全国70个大中城市房价指数及排名信息及历年平均涨跌幅, 含最新各省房地产投资额,新开工/施工/竣工数据及销售面积/价格/金额数据. 功能列表: # 最新70个大中城市房价指数,涨跌排名 # 历史房价图表及数据查询 # 房价平均涨跌幅趋势分析图表 # 各省房地产投资/生产/销售数据及图表 # 最新房价信息动态通知 # 房价笔记, 记录每一个涨跌细节 # 房价趋势投票, 房贷计算器等功能 # 房价地图,准确了解全国房价走势 Tips: 全国70个大中城市包括: 北京 天津 石家庄 唐山 秦皇岛 太原 呼和浩特 包头 沈阳 大连 丹东 锦州 长春 吉林 哈尔滨 牡丹江 上海 南京 无锡 徐州 扬州 杭州 宁波 温州 金华 合肥 蚌埠 安庆 福州 厦门 泉州 南昌 九江 赣州 济南 青岛 烟台 济宁 郑州 洛阳 平顶山 武汉 宜昌 襄阳 长沙 岳阳 常德 广州 韶关 深圳 湛江 惠州 南宁 桂林 北海 海口 三亚 重庆 成都 泸州 南充 贵阳 遵义 昆明 大理 西安 兰州 西宁 银川 乌鲁木齐
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.
SUGGESTED BUILD STACK
React Native
Expo
axios
redux
react-navigation
@react-native-community/async-storage
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.
