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
Biblioform
Biblioform is your personal book library manager
$3.99 · In-app purchases
PRICE
$3.99
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 Biblioform: 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
Implement personalized recommendations and trending sections.
Assumption to check: Limited genre and book discovery features.
Validate with people who use this workflow before building.
Hypothesis 2
Add features to share book collections with friends.
Assumption to check: No social sharing capabilities.
Validate with people who use this workflow before building.
Hypothesis 3
Introduce stats and analytics for reading progress.
Assumption to check: Poor data visualization of reading habits.
Validate with people who use this workflow before building.
Hypothesis 4
Enable offline mode for added convenience.
Assumption to check: Lack of offline access to book data.
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
Biblioform is your personal book library manager. Track where every book is located, organize by category, monitor your reading progress, and achieve your reading goals. ** Organize Your Library** • Create nested locations: Home -> Living Room -> Bookshelf -> Row 1 • Visual shelf grid shows exactly where each book sits • Browse by category: Fiction, Mystery, Sci-Fi, Biography & more • Track books lent to friends with due date reminders • Support for physical books, e-books, and audiobooks ** Know Where Every Book Is** • Unlimited location hierarchy • Custom location types with icons and colors • Grid layout for precise shelf positioning • Quick search across your entire collection **Smart Categories** • 25 genre categories with automatic detection • Categories auto-detected from book metadata • Override categories manually when needed • Browse your library by genre ** Track Your Reading** • Reading status: Unread, Reading, Read, On Hold, DNF • Page-by-page progress tracking • Reading duration statistics • Re-read history with notes ** Achieve Your Goals** • Set yearly reading goals (books and pages) • Track progress with beautiful visualizations • View reading pace and statistics • See how many days to finish books ** Sync Everywhere** • iCloud sync across iPhone, iPad, and Mac • Your library, always up to date • Private and secure in your iCloud ** Easy Book Entry** • Scan barcodes to add books instantly • Bulk scan mode: add many books quickly • Search by title, author, or ISBN • Manual entry for rare books • Automatic cover art and metadata from OpenLibrary ** Beautiful Design** • Clean, modern interface • Full dark mode support • Optimized for iPhone, iPad, and Mac Whether you have 10 books or 10,000, Biblioform helps you maintain a beautifully organized library. ## Keywords (100 characters max, comma-separated) books,library,reading,tracker,bookshelf,collection,goals,organize,catalog,isbn,barcode,genre ## Categories Primary: Books Secondary: Lifestyle ## Age Rating 4+ ## Copyright 2026 Amrit Ghimire ---
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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
Supabase
React Navigation
expo-image-picker
BUILD KIT DIFFICULTY
Intermediate
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.
