BookLens
Spoiler-Free Book Content
About
This app helps you make informed reading choices by providing spoiler-free content ratings and trigger warnings for books. Scan barcodes or search titles to understand themes like sexuality, profanity, violence, and substance use before you read.
What's New in BookLens
1.5.0
July 13, 2026
Visual tweaks and updates Bug fixes Genres for books
MoreFAQ
What is BookLens?
BookLens is a free app that provides spoiler-free content ratings and trigger warnings for books. It helps you understand themes like sexuality, profanity, violence, trauma, and substance use before you start reading.
How does BookLens work?
You can scan a book's barcode with your phone's camera or search for a book by title and author. BookLens then displays content ratings across five key themes, sourced from real readers.
Does BookLens show spoilers?
No, BookLens is designed to be spoiler-free. It focuses exclusively on content themes and trigger warnings without revealing plot details, allowing you to make informed reading choices.
What kind of content does BookLens rate?
BookLens rates content across five themes: Sexuality/Spice, Profanity, Physical Violence, Trauma/Abuse, and Substance Use. Ratings range from none to pervasive or graphic.
Is BookLens available on all devices?
BookLens is currently supported on iPhone, iPad, and iPod devices. It is designed for iOS users.
How often is BookLens updated?
The latest version of BookLens is 1.3.3, last updated on April 9, 2026. Updates typically include new features, bug fixes, and performance improvements.
What is the age rating for BookLens?
BookLens has an age rating of 12+, meaning it is suitable for users aged 12 and older. This rating is based on the app's content and features.
Does BookLens have ads?
No, BookLens does not contain advertisements. It is a completely ad-free experience for users.