--- title: "Cleave for EPUB — App Overview" url: https://marlvel.ai/intel-report/book/labs-whidbey-cleave category: Book developer: Samuel Painter platforms: ios rating: 5.0 (1 ratings) pricing: paid report_level: overview generated: 2026-05-11 last_verified: "2026-05-11T07:11:17.349Z" --- > **Key Insight:** Cleave provides a privacy-focused, local-first utility for organizing and cleaning messy e-book libraries for sideloading. | Metric | Value | |--------|-------| | Category | Book | | Rating | 5.0 ★ (1) | | Pricing | paid | | Platforms | iOS | | Latest Version (iOS) | 1.0 | | Developer | Samuel Painter | ## What is Cleave for EPUB? Cleave for EPUB is an on-device metadata editor for iOS that cleans and enriches digital book files. It automates the removal of source-site watermarks and file naming junk while fetching missing bibliographic data from external databases without requiring user accounts or tracking. ## Key Features - **Auto-clean on load**: Automatically strips watermarks and normalizes author names and file naming conventions based on configurable rules. - **Web enrichment**: Retrieves missing metadata such as ISBN, series, and subjects from Apple Books, Open Library, and Google Books via anonymous queries. - **Cover picker**: Allows users to fetch and select candidate book covers from Apple Books. ## Who is it for? Power users and digital readers who sideload EPUB files onto e-readers like Kindle, Kobo, or Boox. ## Links - [App Store](https://apps.apple.com/us/app/cleave-for-epub/id6767444130?uo=2) - [Full Intelligence Report](https://marlvel.ai/intel-report/book/labs-whidbey-cleave) --- *This is an overview report. Sentiment analysis, competitive landscape, and SWOT analysis are available in the [full intelligence report](https://marlvel.ai/intel-report/book/labs-whidbey-cleave).* *Generated by [Marlvel.ai](https://marlvel.ai) — Independent app intelligence.*