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Cleave for EPUB

Cleave for EPUB

By Samuel Painter

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.

Overview · Full Intel report in progress

The App DNA

What makes this app unique?

For Power users and digital readers who sideload EPUB files onto e-readers like Kindle, Kobo, or Boox.

Key features

Auto-clean on loadstandard

Automatically strips watermarks and normalizes author names and file naming conventions based on configurable rules.

Web enrichmentstandard

Retrieves missing metadata such as ISBN, series, and subjects from Apple Books, Open Library, and Google Books via anonymous queries.

Cover pickerstandard

Allows users to fetch and select candidate book covers from Apple Books.

How much does it cost?

paid

Velocity

See all version history

Who built it?

Samuel Painter

1 app tracked · Book

Explore the full publisher profile

User Sentiment

What do users think recently?

How are ratings & reviews evolving?

App Store
5.00 · 1

Not enough recent reviews to extract reliable themes yet.

Read the full review analysis

Competition

Competitive landscape for Cleave for EPUB

How's the Book market?

The rivals identified

Calibre Companion
Calibre Companionactive nemesis

By Gold Tree Consulting LLC

Both applications target digital readers managing e-book libraries, but they diverge on core utility: Cleave for EPUB focuses on local metadata editing and file cleaning, while Calibre Companion centers on library synchronization and WiFi-based device emulation.

  • Cleave for EPUB performs automated file cleaning and metadata enrichment on-device, whereas Calibre Companion requires a desktop connection to manage metadata.
  • Cleave for EPUB operates as a standalone local utility, while Calibre Companion functions as a client for external cloud storage like Dropbox and OneDrive.
Compare head-to-head
Cleave for EPUB vs Calibre Companion
Ebook ConverterEbook ConverterContenderCalibre ConnectorCalibre ConnectorContenderCalibre ViewCalibre ViewContenderhandyREADER: Audiobook & eBookhandyREADER: Audiobook & eBookContenderEPUB Fix – Repair & RecoverEPUB Fix – Repair & RecoverContendereBouquin Ebook Library ManagereBouquin Ebook Library ManagerContenderEpub FixerEpub FixerContenderCustomBooksCustomBooksContender
Show 2 more
Cover Master ProCover Master ProContenderBookScout: Library ManagerBookScout: Library ManagerContender

Unlock the head-to-head verdict: where this rival wins, and where it loses.

Access the full report for free

The Analyst's Read

Key takeaways for Cleave for EPUB

Where is it heading?

Bottom line

Cleave provides a privacy-focused, local-first utility for organizing and cleaning messy e-book libraries for sideloading.

Report last updated

Disclosure: Independent intel to help mobile builders succeed.

AI-powered analysis with automated quality gates, built from publicly available sources. Marlvel.ai is not affiliated with, endorsed by, or sponsored by Cleave for EPUB, its developer, the app publisher, Apple, or Google Play. All trademarks, logos, and screenshots referenced remain the property of their respective owners.

Cite this report

Marlvel.ai. “Cleave for EPUB Intelligence Report.” Updated May 11, 2026. https://marlvel.ai/apps/labs-whidbey-cleave

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Data licensed under CC-BY-NC 4.0