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
Bloomberg: Business News Daily
Breaking news on world finance, business, stock market and investments
Free · In-app purchases
PRICE
Free
In-app purchases
BUSINESS MODEL
Freemium
No overall Grossing estimate available
RATING
★ 4.6
55,121 ratings · Top 15%
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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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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Quick prompt
Good fit for mobile-first iOS and Android prototypes with managed app scaffolding.
// RORK SYSTEM PROMPT
Rork plan preview for Bloomberg: Business News Daily: map the core News 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
Offer more free content or a more flexible subscription model.
Assumption to check: Limited access to articles without a subscription
Validate with people who use this workflow before building.
Hypothesis 2
Implement better categorization and personalization of news.
Assumption to check: Overwhelming amount of information on home screen
Validate with people who use this workflow before building.
Hypothesis 3
Optimize backend performance for faster content delivery.
Assumption to check: Inconsistent article loading times
Validate with people who use this workflow before building.
Hypothesis 4
Introduce a feature to download articles for offline access.
Assumption to check: Lack of offline reading capability
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
Breaking news on world finance, business, stock market and investments. Access award-winning journalism to help you understand the economics and financial news that’s shaping tomorrow, today. Before you change the world. Bloomberg. Customize the app to monitor the stock market and your investment portfolio. Stay up-to-date on trending topics like the US economy, oil prices, Dow Jones, NASDAQ and more. Bloomberg delivers critical business news for modern business leaders and financial professionals. Whether you need to monitor your stock portfolio, or understand the latest world news, Bloomberg provides data-driven insights and analysis, whenever and wherever you need it. FEATURES: - News: Browse featured and trending stories in Business, Markets, Industries, Technology, Politics, Foreign Affairs, Personal Finance, Opinion and more from our 120+ global newsrooms. - Market Data: Get the latest financial data to enable fundamental analysis, including stock prices, equity indexes, futures, bonds, commodities & foreign currencies. - Alerts: Receive push notification alerts on the latest briefings on the financial economy and the biggest business headlines. - Watchlist: Easily track your portfolio’s performance by adding stocks, mutual funds, ETFs or currencies to your personal Watchlist, and get the latest news related to your investments. - Video & Audio: Stream Bloomberg TV and Bloomberg Radio live to get insights from the smartest names in Global Finance, Business, Economics & Investing, plus discover our catalog of podcasts. - Offline Reading: Download the latest issue of Businessweek to read offline, wherever you are. - On the move updates: The Bloomberg App now has Apple CarPlay, so you can get Bloomberg radio, podcasts and audio articles when you’re on the road. A subscription to the Bloomberg app gets you unlimited access to all Bloomberg content within the app and on the website (after linking your account). Your payment will be charged to your iTunes Account at confirmation of purchase. Your subscription automatically renews unless auto-renew is turned off at least 24-hours before the end of the current period. Your account will be charged for renewal within 24-hours prior to the end of the current period, and identify the cost of the renewal. You may manage your subscription and auto-renew may be turned off by going to Account Settings after purchase. Any unused portion of a free trial period, if offered, will be forfeited when the user purchases a subscription to that publication, where applicable. Terms of Use: https://www.bloomberg.com/notices/tos Privacy Policy: https://www.bloomberg.com/notices/privacy
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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
Supabase
Axios
React Navigation
Zustand
BUILD KIT DIFFICULTY
Expert
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.
