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
The Salt Lake Tribune
A voice for Utah since 1871 and a nonprofit since 2019 The Salt Lake Tribune brings you our new 2-in-1 iOS app
Free · In-app purchases
PRICE
Free
In-app purchases
BUSINESS MODEL
Freemium
No overall Grossing estimate available
RATING
★ 4.4
6,737 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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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 The Salt Lake Tribune: 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 better trial experience.
Assumption to check: Limited free articles before hitting paywall
Validate with people who use this workflow before building.
Hypothesis 2
Optimize loading speed and provide a loading state.
Assumption to check: Inconsistent loading times for articles
Validate with people who use this workflow before building.
Hypothesis 3
Improve category discovery with better UI/UX.
Assumption to check: Difficulty in navigating categories
Validate with people who use this workflow before building.
Hypothesis 4
Implement a recommendation algorithm based on user behavior.
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
A voice for Utah since 1871 and a nonprofit since 2019 The Salt Lake Tribune brings you our new 2-in-1 iOS app. Free to download and use, The Salt Lake Tribune app includes both a free live news site and the subscriber-only e-edition, a digital version of the paper created and delivered in the app everyday. STAY INFORMED Updated with a streamlined reading experience, now available to non-subscribers, easily get the latest news as it happens from Salt Lake City, the Wasatch Front and throughout Utah. As a 501(c)(3) nonprofit we strive to tell stories that are interesting, important and inclusive. The Tribune offers unmatched reporting on state and local government, politics, the environment, education, religion, criminal justice, sports and the variety of rich stories about the people and places that make Utah special. Keep up to date with the latest news that impacts you and your community. Your readership today helps ensure a stronger Utah tomorrow. KEY FEATURES Access to all The Tribune’s award-winning coverage. Sort through stories by section and curate a reading experience tailored to your reading habits and interests. Tribune subscribers can easily flip through pages, read stories, and view photos just as they’ve appeared in paper with The Tribune e-edition. Share and save stories, access previous editions, download for offline viewing and more. Receive push notifications and stay informed with keep in the loop on breaking news and the important stories. Streamlined navigation for users on the go: Easily swipe between stories, zoom in as necessary, and share articles with friends and family in the new Salt Lake Tribune iOS app. Let text to speech read out stories aloud to you as you go throughout your day. OUR NONPROFIT MODEL The Salt Lake Tribune transformed to a 501(c)(3) in late 2019, making it the first legacy newspaper in the U.S. to transform from a for-profit company to a nonprofit entity. Under the new structure, The Tribune is governed by a board of directors, with Huntsman serving as chairman of the board. The Salt Lake Tribune is pioneering one path forward for local news.
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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
Zustand
Axios
React Navigation
Firebase
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.
