App Overview

Understory: Reading Tracker icon

Understory: Reading Tracker

Understory Studios LLC · Books

Understory is a reading tracker, book tracker, and social reading app designed to help you track books, log reading progress, set reading goals, and stay consistent

Free

PRICE
Free
No in-app purchases
BUSINESS MODEL
Free
No overall Grossing estimate available
RATING
5.0
23 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 included14 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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Quick prompt

> SELECT BUILD PLATFORM:

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

// RORK SYSTEM PROMPT
Rork plan preview for Understory: Reading Tracker: 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

Competitive pricing with generous free tier

Assumption to check: Expensive subscription

Validate with people who use this workflow before building.

Hypothesis 2

Focus on most-requested features first

Assumption to check: Missing features

Validate with people who use this workflow before building.

Hypothesis 3

Optimize for 60fps, fast load times

Assumption to check: Poor performance

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

Understory is a reading tracker, book tracker, and social reading app designed to help you track books, log reading progress, set reading goals, and stay consistent. Whether you’re organizing your bookshelf, building a reading habit, or joining a book group, Understory brings together everything you need in one place with a fun plant aesthetic. Join the Understory bookish community to build a better reading habit and build a better world! GROW REAL-LIFE TREES: Watch your garden bloom in Understory and meet monthly objectives to grow real-world trees! Visit friends’ gardens daily to help their trees grow! INTERACT WITH FRIENDS: Join book groups where you and your friends can read different books! Like and comment on reviews in the social feed! TRACK YOUR READING: Review your books with half stars, audiobook tags and private reads! Manage your library with custom reading lists including a Did Not Finish (DNF) list! LEVEL UP YOUR READING: Improve your reading habit with leaderboards for books read, reading streaks, and XP level! Earn XP by logging reading and interacting with other users! SHARE BOOK RECS: See your friends’ favorite and highly rated books and share book recommendations directly with your friends! SEE YOUR STATS: Get insights on your reading history and social interactions through shareable stats and graphs and our signature Library Card graphic! Understory is perfect for readers who want to: - Track books and reading progress in one place - Build a daily reading habit and reading streak by growing a fun garden that doesn’t feel like a chore - Log books, reviews, and ratings (with half stars!) - Organize a TBR (to be read) list - Track audiobooks and ebooks - Join a social book community - Discover new book recommendations Terms of Use: https://www.understory-app.com/terms-of-use Privacy Policy: https://www.understory-app.com/privacy-policy Content and Copyright Policy: https://www.understory-app.com/content-copyright-policy

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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
RevenueCat
BUILD KIT DIFFICULTY
Starter

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.