App Overview

Bookshelf: Book Tracker & List icon

Bookshelf: Book Tracker & List

Alexander Gerrese · Books

Bookshelf helps you track your books, build a lasting reading habit, and better remember what you read—now with powerful AI-powered discovery tools to help you find your next great read!

Free · In-app purchases

PRICE
Free
In-app purchases
BUSINESS MODEL
Freemium
No overall Grossing estimate available
RATING
4.6
3,660 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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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.

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.

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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> SELECT BUILD PLATFORM:

Good fit for mobile-first iOS and Android prototypes with managed app scaffolding.

// RORK SYSTEM PROMPT
Rork plan preview for Bookshelf: Book Tracker & List: 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

Allow users to create custom categories and tags for better organization.

Assumption to check: Limited customization for book categories

Validate with people who use this workflow before building.

Hypothesis 2

Implement real-time syncing to ensure consistency on all devices.

Assumption to check: Inconsistent data syncing across devices

Validate with people who use this workflow before building.

Hypothesis 3

Introduce social features to share reading lists and recommendations.

Assumption to check: Lack of social features for sharing books

Validate with people who use this workflow before building.

Hypothesis 4

Provide detailed analytics and insights into reading habits and trends.

Assumption to check: Basic analytics on reading progress

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

Bookshelf helps you track your books, build a lasting reading habit, and better remember what you read—now with powerful AI-powered discovery tools to help you find your next great read! Add books you’ve read, books you’re reading, and books you want to read. Improve your reading habits with insightful stats and trend reports. Stay motivated with reading goals, streaks, and reminders. Remember what you read by writing and reviewing notes and quotes. BUILD YOUR LIBRARY • Import & Sync – Import your existing libraries from Goodreads, Kindle, StoryGraph, or Reading List with a tap. • Quick Add – Build your library by searching millions of books, scanning any book's barcode, or adding your own. • Book Recommendations* – Discover trending books, find books based on your mood or any prompt, and browse curated collections to find your next read. • Everything Tracker – Easily manage book collections, reading status, star ratings, reading dates, and more for all your books. • Reading Sessions* – Pick up a book, start a session, and we’ll track everything so you can focus on reading. IMPROVE YOUR READING HABITS • Book Chat – Chat with our AI librarian to generate summaries and flash cards, discuss key ideas, and much more! • Reading Stats – Visualize your reading habits over time with charts and reading stats. • Reading Goals – Create a reading goal for the year to motivate yourself to read more or challenge your friends! • Estimated Completion Time – See how long it will take to finish any book with your average reading speed. • Reading Streaks* – Stay motivated by keeping up your streak! REMEMBER WHAT YOU READ • Smart Notes* – Use cards to jot down notes or vocab, write a summary, or prepare study questions. Scan text directly from books or add rich text of your own. • Knowledge Quizzes* – Spaced-repetition quizzes on your note cards that will significantly increase your retention, guaranteed. • Reading Reminders* – Never forget to read or test your knowledge with timely notifications. OTHER FEATURES • Cloud Sync* & Daily Backups – Sync between your iOS devices so your library is always up-to-date, or restore from previous backups. • App Icons – Make Bookshelf your own with beautiful custom home-screen icons. • Library Export* – Never fear losing your books or notes with CSV library exports. • Dark Mode – Beautiful during the day, gorgeous and eye-saving at night. *Some features require Bookshelf Gold for access or unlimited use Gold Lifetime charges your Apple ID once for permanent Gold status. Gold Yearly charges your Apple ID for 12 months of Gold status after a 7-day free trial unless cancelled at least 24 hours before the trial ends. Gold Monthly charges your Apple ID for 1 month of Gold status on purchase confirmation. Subscriptions automatically renew unless cancelled at least 24 hours before the end of the current period. You can cancel anytime in your iTunes account settings. For more information, see our Terms and Conditions at bit.ly/2NNm93Z and Privacy Policy at bit.ly/31Mad8s.

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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/supabase-js
React Navigation
Axios
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.