# Epubproof: Book Audit — EPUB structure and access

> EPUB structure and access (iPhone/iPad app by Robert Corbin.)

- Source: https://appshunter.io/ios/app/epubproof-book-audit/id6793302325 (this page in markdown: same URL + `.md`)
- Developer: [Robert Corbin](https://appshunter.io/developer/1890247992)
- Category: Developer Tools, Books
- Price: $2.99
- Age rating: 4+
- Requires: iOS 17.0 · 72 MB
- Released: 2026-08-03
- Data updated: 2026-09-03
- User reviews in markdown: https://appshunter.io/ios/app/epubproof-book-audit/id6793302325/reviews.md

## What is Epubproof?

Epubproof: Book Audit is a focused, fully on-device app. An offline EPUB 2/3 package and accessibility auditor for manifests, spines, links, navigation, metadata, media overlays, contrast notes, and publication reports.

KEY FEATURES
- Inspect container, OPF manifest, spine, and navigation
- Find missing resources, broken fragments, and duplicates
- Audit language, title, landmarks, alt text, and headings
- Preview reading order and document outlines
- Export an evidence-rich remediation report
- Complete bundled sample and local comparison workflow
- Local PDF report and Apple system share export
- Original offline technical reference library

ONE-TIME AND PRIVATE
- One paid download; no subscription or in-app purchase
- No account, advertising, analytics, tracking, or developer-operated backend
- Core features and bundled content work offline
- Work remains on device unless you deliberately share or export it through an Apple system interface

Editorial preflight aid, not an official conformance certificate. Test the final book in target reading systems and with assistive technologies.


## Version history (last 1 release)

### 1.0 — 2026-08-04

No release notes.

## More apps by Robert Corbin

- [Daily Word Journey](https://appshunter.io/ios/app/daily-word-journey/id6761548266)
- [Hush Secret Text](https://appshunter.io/ios/app/hush-secret-text/id6761658175)
- [Renew Guard](https://appshunter.io/ios/app/renew-guard/id6761755447)
- [Receipt to PDF](https://appshunter.io/ios/app/receipt-to-pdf/id6761782025)
- [Route Your Pay](https://appshunter.io/ios/app/route-your-pay/id6761783719)
- [Tip Arbiter](https://appshunter.io/ios/app/tip-arbiter/id6761786879)

All apps by Robert Corbin: https://appshunter.io/developer/1890247992

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-09-03.*