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
小龙手帐 - 炒股理财投资计算
「小龙手帐」是您专属的股票记账与理财计算专家！
$0.99 · In-app purchases
PRICE
$0.99
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 included17 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 小龙手帐 - 炒股理财投资计算: 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
Integrate more advanced investment analytics and insights.
Assumption to check: Limited investment tracking features.
Validate with people who use this workflow before building.
Hypothesis 2
Provide in-app chat support or a comprehensive FAQ.
Assumption to check: Inadequate customer support options.
Validate with people who use this workflow before building.
Hypothesis 3
Simplify navigation with guided tutorials.
Assumption to check: Complex navigation for new users.
Validate with people who use this workflow before building.
Hypothesis 4
Add customizable notifications and alerts for user-defined thresholds.
Assumption to check: Lack of customizable alerts for transactions.
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
「小龙手帐」是您专属的股票记账与理财计算专家！ 告别 Excel 表格！我们专注于为炒股、投资用户提供极简高效的年化收益率和盈亏自动分析工具，帮您轻松掌握资产与交易情况。 理财的终点不是数字的堆砌，而是拥有支配人生的权利。愿你我，早日FIRE。 ————————————— 专业计算：让收益一目了然 1. 年化收益率自动算。 独有的分日期计算功能，为您自动计算投资年化收益率，辅助您做出更明智的买卖决策！ 2. 实时综合持仓均价。 无论您分批买入多少次，系统都能实时、准确地计算您的综合持仓均价。让您在补仓、减仓时决策更果断！ 3. 模拟交易计算器。 精确地计算选中持仓的盈亏、回本价。还可以模拟按一定价格、数量交易后的持仓数量、总成本、回本价。强大的交易模拟功能，让您的决策情况一目了然！ ————————————— 极速记账：3秒完成一笔记录 1. 股票记账零负担。 极简操作流程，3秒钟即可完成一笔股票、理财、基金的交易或分红记账。 2. 智能自动结算。 只需输入每笔买卖交易，系统自动匹配并对应结算，生成完整的投资账本和交易流水明细。 ————————————— 小龙手帐，您的理财助手 覆盖全方位投资记录，是个人财务管理、资产追踪的必备利器。让记账不再是负担，让理财变得更简单！
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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
React Native
Expo
Axios
Zustand
react-navigation
shadcn/ui
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.
