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
RichStocks
作者介紹：
Free · In-app purchases
PRICE
Free
In-app purchases
BUSINESS MODEL
Freemium
No overall Grossing estimate available
RATING
★ 4.0
4 ratings · Top 30%
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 RichStocks: 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
Provide customizable categories and tags for stocks.
Assumption to check: Limited customization for investment tracking
Validate with people who use this workflow before building.
Hypothesis 2
Simplify subscription tiers and provide clear benefits.
Assumption to check: Subscription model can be confusing
Validate with people who use this workflow before building.
Hypothesis 3
Implement offline data storage for viewing portfolio without internet.
Assumption to check: No offline access to portfolio data
Validate with people who use this workflow before building.
Hypothesis 4
Allow users to scan stock tickers for easy entry.
Assumption to check: Manual stock entry can be cumbersome
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
作者介紹： Rich 是 Chief PaPa 團隊中首席導師，擅長技術分析和專注於研究創新科技行業的股票，過去成功在低位捕捉了SMCI、Tesla、Crowdstrike、PDD、FUTU、Monday.com、Reddit、Palantir 等創新科技股票，有些獲得超過100%，甚至200%以上的投資回報！ 產品特色功能： 1. 即時動能選股清單｜幫你挖掘強勢動能股 Rich 獨家設計選股邏輯，結合技術面與基本面，每天盤後即時更新符合條件的【強勢動能股】清單 2. Rich 重點關注清單｜一目了然 Rich 操作標的 Rich 獨家分享近期關注股票，搭配短評分析，讓你清楚知道原因 3. 動能訊號指標｜帶你找出市場主流強勢股 選股清單再搭配動能訊號指標，一眼看出價格、成交量大的股票 4. 內容＆社團區｜不藏私的教學內容 Rich 獨家分享實際案例操作解析，並在社團中回答所有用戶疑問 *VIP 會員福利：每月附贈至少 4 篇專欄、1 部影音、一對一問答
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
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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.
