App Overview

CozyShelf: Book Tracker icon

CozyShelf: Book Tracker

Joanna Leslie · Books

Your book hangover has a home now.

Free

PRICE
Free
No in-app purchases
BUSINESS MODEL
Free
No overall Grossing estimate available
RATING
★ 5.0
5 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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A product spec, screen plans, and build steps for your coding agent.

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What's included

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

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App evidence

Original App Store material. Ratings and screenshots describe the existing app, not proof of demand for your version.

Screenshots

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App Store description

Your book hangover has a home now. You didn't just read it. You lived in it. CozyShelf is for that reader: the one who finishes a series at 2am and immediately needs the next book. Who has strong opinions about fictional characters and zero apologies about it. NEVER LOSE YOUR PLACE IN A SERIES Add the first book and CozyShelf offers the rest of the series in reading order, straight to your TBR. Your Series shows how far you are into every saga at once and what comes next, including books that aren't out yet. OUT OF YOUR READING SLUMP Can't decide what to read? Blind Date with your TBR asks how you want to feel tonight and hands you a wrapped book from your own shelf. Your first date is free. LOG THE FEELING, NOT JUST THE BOOK Write journal entries mid-chapter. Tag the mood, mark the page, and save the exact moment an author wrecked you. Before you start, set your expectations from "Low bar" to "Slump incoming," then see if the book delivered. SET THE MOOD Seven ambiences, all free: Classic, Romantasy, Cottage Core, Enchanted Library, Winter Reading Room, Cozy Halloween and Dark Academia. Fairy lights, falling snow and butterflies included. TRACK WITHOUT THE PRESSURE Reading, TBR, Finished and DNF. Scan a barcode or search to add a book. Bring your library over from Goodreads, StoryGraph or Kobo in a minute. Stats and your reading calendar are free. YOUR YEAR IN STARS With CozyShelf Pro, your year becomes a constellation and a stained glass wheel of everything you felt. Pro also adds custom shelves, three Blind Dates a night, the reading timer, habits and book colors. Built by a mood reader, for mood readers, fantasy devotees and romantasy obsessives. CozyShelf. For every book that ruined you. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

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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.

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
BUILD KIT DIFFICULTY

Not assessed in a Build Kit yet.

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.