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
Poetry Audiobooks
This app combines famous poetry collections with professional human narrations.
$1.99 · In-app purchases
PRICE
$1.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
★ 5.0
1 ratings · Top 5%
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 included15 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 Poetry Audiobooks: map the core Reference 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 curated collections or user-generated content.
Assumption to check: Limited content selection compared to larger platforms
Validate with people who use this workflow before building.
Hypothesis 2
Implement offline playback for downloaded content.
Assumption to check: No offline access for downloaded audiobooks
Validate with people who use this workflow before building.
Hypothesis 3
Enhance UI with personalized recommendations and playlists.
Assumption to check: Basic user interface lacks advanced features
Validate with people who use this workflow before building.
Hypothesis 4
Ensure high-quality audio files and user reviews for ratings.
Assumption to check: Inconsistent audio quality across titles
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
This app combines famous poetry collections with professional human narrations. It enables read-along feature: highlighted text synced with human narration. With read along feature, you can enjoy your favorite poems by reading or listening or both reading and listening. Long-press a word and tap 'Play' to activate read-along feature. ● Poetry - Over 220 collections by various authors - A Calendar of Sonnets by Helen Hunt Jackson - A Dome of Many-Coloured Glass by Amy Lowell - A Lover's Diary by Gilbert Parker - A Selection of Divine Poems by John Donne - A Sheaf of Roses by Elizabeth Gordon - A Spring Harvest by Geoffrey Bache Smith - All That Matters by Edgar A. Guest - Ballads of a Bohemian by Robert W. Service - Beyond the Stars by Charles Hanson Towne - John Keats: Selected Poems by John Keats - Leaves of Grass by Walt Whitman - Milton's Minor Poems by John Milton - Mother and Daughter by Augusta Webster - Poems of Nature by Henry David Thoreau - Poems of Passion by Ella Wheeler Wilcox - The Ballad of the White Horse by G. K. Chesterton - The Burning Wheel by Aldous Huxley - The Complete Poetical Works of Edgar Allan Poe - etc. ● Authors - Over 165 authors - William Shakespeare - John Milton - Robert Frost - Emily Dickinson - William Wordsworth - Edgar Allan Poe - Walt Whitman - William Butler Yeats - John Keats - William Blake - John Donne - James Allen - Aldous Huxley - G. K. Chesterton - Thomas Hardy - Lewis Carroll - Dante Alighieri - Robert Browning - Thomas Hardy - Rudyard Kipling - Elizabeth Barrett Browning - William Blake - Henry Wadsworth Longfellow - T. S. Eliot - etc. ● Other features: - Read-along feature: highlighted text synced with human narration - You can read the poem and play the audio along or you can play the audio only - Search feature - Voice search - Bookmark feature - Built-in dictionary - Night mode - Adjust font size, font style
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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
react-navigation
expo-av
react-query
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.
