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
房东账本
房东账本是一款简洁实用的出租房管理工具，帮助个人房东轻松记录和管理租赁事务。
$0.99 · In-app purchases
PRICE
$0.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
★ 5.0
3 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 included17 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 房东账本: 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
Implement Plaid integration for better account linking.
Assumption to check: Limited integration with banks for transaction syncing
Validate with people who use this workflow before building.
Hypothesis 2
Introduce automatic transaction categorization.
Assumption to check: Manual entry can be tedious
Validate with people who use this workflow before building.
Hypothesis 3
Add visual analytics for spending trends.
Assumption to check: Lack of comprehensive reporting features
Validate with people who use this workflow before building.
Hypothesis 4
Incorporate bill reminders and alerts.
Assumption to check: No reminders for bill payments
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
房东账本是一款简洁实用的出租房管理工具，帮助个人房东轻松记录和管理租赁事务。 【核心功能】 • 多套房屋管理：为每套房产独立建账 • 租客与房间：记录月租、押金、入住/退租日期 • 费用日历：直观查看房租、水电煤气到期与收租安排 • 待收提醒：本地通知提醒缴费、退租、押金等事项 • 水电分摊：录入账单并自动计算分摊 • 数据导出：一键导出 CSV，方便备份与对账 【隐私与安全】 • 所有数据仅保存在您的 iPhone 本地 • 无需注册账号，不上传任何数据到服务器 • 不收集、不追踪用户个人信息 适合管理自住房出租、合租房间、小规模租赁业务的房东使用。
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
Supabase
React Navigation
React Query
React Native Paper
BUILD KIT DIFFICULTY
Starter
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.
