Yuuna

The book tracker where every book you read becomes a spine on a shelf you design yourself

Productivity · Founded 2026 · Italy

Mobile Apps
Productivity

Visit yuuna.app ↗Founder interest ↓

Can you vibecode this?

Yes

A book tracker with customizable shelf visuals is a standard mobile app: accounts, a library, shelf design and subscriptions all fit one builder on Expo and Supabase. Book data can come from public APIs. No licence or audit stands in the way.

Build This with Leapd →

The business

Total revenue

$10K+

Verified recently

Monthly revenue

$2K+/mo

↑ Growing · 60-day average

Peak month

~$3K

Best single month

Growth

~12.5×

Early months vs recent

For owners

Own Yuuna? List it for sale.

Founders read this page looking for a business to build like your $2K+/mo one — some would rather buy one that already works. They skip the line, you get a clean exit. $25 one-time, no commission.

Why it works

Value proposition
Turns every book you read into a spine on your own shelf.
Problem
Plain reading logs feel dull and give readers little reason to keep tracking.
Audience
Booktokers and avid readers who want to show off their reading.
Business model
Monthly, yearly and one-time lifetime plans for the full app.

Good to knowLifetime planYearly discount

Can you vibecode this?

Yes

Moat

None found: pure execution

Why people pay Yuuna

Customers pay for a product that works, and a good copy can match it. Nothing in the business itself blocks a competitor from building the same shelf tracker.

Product complexity
Low
A reading log with book entries and a customizable visual shelf is standard app code.
Data
Low
Book titles and covers come from public book data sources through their APIs.
Integrations & infrastructure
Low
Needs accounts, a database and Stripe billing, all standard services.
Human operations
Low
Software only, with no people needed to deliver it to readers.
Regulation / hardware
Low
A consumer reading tracker needs no licenses or approvals.

Build this business

Use the build specification below with any AI coding tool, or build it directly with Leapd.

Build This with Leapd →

Leapd builds

Book tracker web app with a custom spine shelf and reading log
Monthly, yearly and lifetime plans with Stripe
A landing page

Leapd runs

Meta ads
LinkedIn and X posts
SEO and AI-search visibility
A daily report of what shipped

Opportunity check

Passes: Proven market: $2K+/mo already paid for it
Passes: Proven model: Monthly, yearly and lifetime plans for readers
Passes: Proven need: Readers want a fun way to track books
Passes: Buildable: Leapd builds it end to end

build-spec.txt

Build a book tracker web app where each book a reader finishes becomes a spine on a shelf they design, sold by subscription and lifetime purchase.

Product:
- User accounts with sign up and login
- Add books to a personal reading library
- Each book appears as a spine on a virtual bookshelf
- Shelf design tools to customize how the shelf looks
- Customer dashboard to manage the library and subscription
- Paid plans unlock the full app

Billing:
- Monthly, yearly, discounted yearly and one-time lifetime plans, charged with Stripe.

Data:
- Book metadata and covers from a book data provider, connected through its API.