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
National Review
The National Review app delivers the best conservative writing, reporting, and analysis available anywhere
Free · In-app purchases
PRICE
Free
In-app purchases
BUSINESS MODEL
Freemium
No overall Grossing estimate available
RATING
★ 4.7
10,325 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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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/
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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 National Review: 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 offline reading with local storage.
Assumption to check: Limited offline access to articles
Validate with people who use this workflow before building.
Hypothesis 2
Allow users to adjust text size in settings.
Assumption to check: No customization for text size
Validate with people who use this workflow before building.
Hypothesis 3
Offer user control over notification preferences.
Assumption to check: Push notifications can be overwhelming
Validate with people who use this workflow before building.
Hypothesis 4
Enhance the categories section for better exploration.
Assumption to check: Difficult to discover new topics
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 National Review app delivers the best conservative writing, reporting, and analysis available anywhere. Download the app for free to sample our latest articles, podcasts, photo galleries, and more, or unlock full access, including our latest opinion content and digital issues of the magazine, with a monthly or annual subscription. National Review App Subscription Features: GREATER ACCESS: Access all app content, including all the latest news and commentary found on the National Review website. MAGAZINE: Access the National Review magazine and archives (online and downloadable PDF). MEDIA: Access the latest National Review podcasts, photo galleries, and videos. Please note: An app subscription does not include National Review website access, article commenting privileges, access to the NRPLUS Facebook group, or exclusive invitations to National Review conference calls and events. For access to all these features, you can purchase an NRPLUS subscription directly through the National Review website. SUBSCRIPTION OPTIONS Full app access to all content is only available with an app subscription purchase or by logging into the app using NRPLUS credentials. National Review App Subscription Pricing: • 1 Month - USD 9.99* • 1 Year/Annual - USD 99.99* * For non-US app stores, the equivalent currency charges will apply. *These subscriptions are not NRPLUS memberships, which can only be purchased through the National Review website. Additional Subscription Information: • Payment will be charged to iTunes Account at confirmation of purchase. • Subscription automatically renews unless auto-renew is turned off at least 24 hours before the end of the current period. • Account will be charged for renewal within 24-hours prior to the end of the current period and identify the cost of the renewal. • Subscriptions may be managed by the user and auto-renewal may be turned off by going to the user's Settings on their phone after purchase. • No cancellation of the current subscription is allowed during active subscription period. Privacy Policy - https://www.nationalreview.com/privacy-policy Terms of Use - https://www.nationalreview.com/terms-of-service/ • Any unused portion of a free trial period, if offered, will be forfeited when the user purchases a subscription.
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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
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BUILD KIT DIFFICULTY
Advanced
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.
