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
New York Post for iPhone
The New York Post app just got a major upgrade.
Free · In-app purchases
PRICE
Free
In-app purchases
BUSINESS MODEL
Freemium
No overall Grossing estimate available
RATING
★ 4.1
22,333 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 included18 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 New York Post for iPhone: 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
Implement full offline mode with article caching.
Assumption to check: Limited offline reading capabilities
Validate with people who use this workflow before building.
Hypothesis 2
Enhance push notification system for timely updates.
Assumption to check: Inconsistent notifications for breaking news
Validate with people who use this workflow before building.
Hypothesis 3
Simplify layout and improve readability.
Assumption to check: Cluttered UI in article view
Validate with people who use this workflow before building.
Hypothesis 4
Integrate AI-driven personalized feeds based on user interests.
Assumption to check: Lack of personalized content recommendations
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
The New York Post app just got a major upgrade. From NYC breaking news and national politics to Page Six celebrity gossip, real estate, and tech, the New York Post app puts our iconic newsroom right in your pocket — faster, bolder, and more personalized than ever before. Dive into Post Sports+, your premier source for premium sports coverage from the NY Post, delivering insider stories, expert columns, and exclusive access to the top sports reporters in the US. The app now features Hamilton, a revolutionary new way to ask questions about news, NYC sports, and pop culture, allowing you to dig deeper into the trending stories New Yorkers are talking about. Readers can also access smarter local and national story recommendations, lightning-fast news summaries, and custom digests tailored to your unique reading habits. The updated New York Post app makes it easier than ever to follow breaking news, discover exclusive reporting, and stay connected to the topics and columnists you care about most.
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
Axios
React Navigation
React Native Async Storage
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.
