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
My Community Library.
My Community Library brings book lovers together — swap, lend, and borrow books across personal collections and shared group libraries in your neighborhood.
$0.99 · In-app purchases
PRICE
$0.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
N/A
No ratings yet
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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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 My Community Library.: map the core Books 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
Include forums or discussion boards.
Assumption to check: Limited user engagement due to lack of community features
Validate with people who use this workflow before building.
Hypothesis 2
Implement better search and filtering options.
Assumption to check: Poor discoverability of books
Validate with people who use this workflow before building.
Hypothesis 3
Allow users to share books on social media.
Assumption to check: No social sharing options
Validate with people who use this workflow before building.
Hypothesis 4
Introduce personalized recommendations based on user preferences.
Assumption to check: Limited personalization
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
My Community Library brings book lovers together — swap, lend, and borrow books across personal collections and shared group libraries in your neighborhood. HOW IT WORKS • Add your books to your personal catalogue with cover art, genre, and description • Join or create group community libraries • Request to borrow a book — the owner approves or declines • Track checkouts with countdown timers and due dates • Return books and leave reviews for readers and titles you've enjoyed FEATURES • Personal book catalogue — add books manually or by scanning the barcode • Group libraries — share books across a community, reading group, or building • Book status tracking — available, reserved, checked out, overdue • Countdown timers with overdue alerts so you never miss a return date • Member profiles with Bookworm and Rotten Apple badges based on lending history • Messaging between members to coordinate pickups and drop-offs • Reviews on both books and member profiles • Virtual library card — your identity as a community member COMMUNITY LENDING Members build a reputation over time. Reliable borrowers earn the Bookworm badge. Consistent late returns earn the Rotten Apple. Your lending history is visible to the community, encouraging good behavior and building trust between neighbors. Sign in securely with your Apple ID or Google account. Your data stays private and is never sold.
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
zustand
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.
