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.
The world is complex—and changing fast
Free · In-app purchases
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.
A product spec, screen plans, and build steps for your coding agent.
First kit free with a verified email
Combine features and design from your favorite apps.
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Generating… usually about a minute.
What should your app do differently? Your note travels with the kit so your coding agent builds around your idea.
A product spec, phased build plan, differentiation notes, and screen references.
Illustrative example: an invoice app for independent contractors. Your kit is tailored to the app you choose; this is not its generated content.
Goal: Send a clear invoice after finishing a job.
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.
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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Good fit for mobile-first iOS and Android prototypes with managed app scaffolding.
Rork plan preview for The Economist: News & Analysis: 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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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
Assumption to check: Difficulty discovering articles due to overwhelming feed.
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: Limited offline access to articles.
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: Navigational challenges in settings and user profile management.
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: High subscription costs with limited trial options.
Validate with people who use this workflow before building.
Original App Store material. Ratings and screenshots describe the existing app, not proof of demand for your version.
The world is complex—and changing fast. The Economist app unlocks independent reporting and news analysis from correspondents across the globe. Offering articles, podcasts, short-form videos and more, our app is a simple way to make sense of big news on the go. In a constantly changing landscape, know which way is up with The Economist’s smart takes on the latest world news. What does The Economist report on? With expert journalists around the world, The Economist reports on US and world politics, economics, business, science, technology news and more. We go beyond the headlines, connecting the dots to explain the news today and implications for tomorrow. Why choose The Economist app? Get unlimited access to The Economist’s trusted, fact-checked reporting and analysis of the news, wherever you are. Our app gives you daily updates on the most important news stories shaping our world. Slightly irreverent and always sharp, our reporting has been forward-looking since 1843—and now it’s even easier to decode daily news developments with The Economist app. Install intelligence in a few taps. It’s more than just a news app—decode daily news developments in the format that suits you. - Read global, fact-checked reporting and analysis of the news—daily - Listen to award-winning podcasts and audio news articles - Watch concise videos on important news topics Get access to trusted news reporting, wherever you are: - Download the weekly edition for offline reading—and listen with narrated articles - Bookmark news articles to read later - Listen to articles and podcasts to keep up with news stories on the go Stay ahead on news stories daily and explore big topics deeply: - Enjoy early access to The Economist’s weekly edition, ahead of print delivery - Catch up quickly with The World in Brief for short news updates - Explore short videos that distill big news topics Listen to crucial reporting on news topics: - Get ad-free podcasts on global issues and news events - Go hands-free with professionally narrated articles - Create an audio queue for a custom playlist of news analysis Play news games to test your knowledge: - Mini crossword: The Economist’s wordplay news puzzle - Dateline history quiz: guess when news extracts were published in The Economist - Pint-sized news quiz: have you been following the latest news headlines? Enjoy additional features: - Give articles to friends and family - Read news analysis easily with adjustable text size - Toggle dark mode See what The Economist subscribers say: “This app is home to the best journalism in the world. If I could only afford to pay for one news source, The Economist would be that source.” “Great app, excellent journalism! The Economist is wonderful. The content is interesting and relevant and the reporting is superlative. Equally impressive is the drive to stay relevant by presenting media in multiple formats, from print to podcasts and short videos.” “Impeccable journalism with an app to match. The Economist doesn’t need my endorsement of the quality of their journalism. It speaks for itself. Rather, I’ll comment that their app is well-designed and refreshing to use…I love being able to easily download entire editions, listen to articles with real narrators and search for past articles.” Full terms of use: https://www.economist.com/legal/terms-of-use Our privacy policy: https://www.economist.com/privacy Download The Economist app now for trusted reporting on news developments—from science and tech to business and finance news.
Written user reviews are not shown here. Check current App Store reviews >
Plan a focused first version with your coding agent. These are planning assumptions, not a delivery guarantee.
Choose one audience and one core workflow. Use the kit to agree on its screens, data, and acceptance criteria before building.
Decide which secondary features, integrations, and platform support can wait. Your version does not need to reproduce everything in the original.
Validate external services, specialist technology, data access, and ongoing costs for your chosen scope.
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.