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Why LibraVault?

Published June 4, 2026 • 5 min read
Your reading habits are private. They should stay that way. Here's why LibraVault is different from every other ebook and audiobook app on Android.

The Problem: Your Reading is Tracked

Open any major ebook or audiobook app today — Kindle, Google Play Books, Kobo, Scribd — and they all want the same things:

This isn't paranoia. It's business. Reading data is valuable. Publishers want to know what sells. Retailers want to recommend the next book. Ad networks want behavioral profiles.

But your reading is personal. Intimate, even. It reveals your interests, your beliefs, your vulnerabilities. It deserves privacy.

The LibraVault Way

LibraVault starts from first principles: What if your reading app could be truly private?

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No account required. Open the app, add your book folder, start reading. No sign-up, no email, no password to manage, no "forgot password" emails.
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Scoped Storage only. We don't ask for permission to see everything on your device. Instead, you explicitly grant us access to one folder — your library. We see nothing else.
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No internet required (F-Droid). The F-Droid build has zero internet permission. Your reading stays on your device, period.
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No analytics. We don't track which books you read, when, or for how long. We don't report anything to any server.
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100% open source. Every line of code is visible. You can audit it, fork it, modify it. No hidden tracking, no proprietary algorithms.

What About Reading Progress and Bookmarks?

Good question. You need to save your place and your highlights. LibraVault does this — but it never leaves your device.

Your reading progress, bookmarks, and highlights are stored in a local Room database on your phone. That's it. When you open a book again, LibraVault restores your position silently. No servers, no sync, no cloud.

Why this matters: You get the convenience of remembered progress without the privacy tradeoff of cloud sync. Your data is always under your control.

LibraVault vs. The Alternatives

Kindle, Google Play Books, Kobo

Calibre, Lithium, Moon+ Reader

LibraVault

What About Audiobooks?

Most ebook apps don't handle audio. Audible dominates audiobooks, but demands login and offers limited privacy.

LibraVault handles both. MP3, M4B, OGG, FLAC, Opus, AAC — all supported. Plus chapter navigation for M4B files and ID3v2 tags. Variable speed, sleep timer, lock-screen controls. All offline, all private.

Why Not Use a Major App?

You could. Kindle is convenient. Google Play Books integrates with your existing library.

But if you value privacy, you're making a tradeoff: convenience for surveillance.

LibraVault's bet is that you don't have to choose. You can have both convenience and privacy if the app is designed for it from day one.

The Open Source Difference

We could claim anything about our privacy practices. Most companies do.

But LibraVault's code is on GitHub, licensed under GPL-3.0. Security researchers, developers, paranoid users, and skeptics can all read it. Audit it. Report bugs. Fork it if we disappoint them.

This is what "trust, but verify" actually means.

No account, no servers, no telemetry, no ads, no tracking, no accounts, 100% FOSS. Your library, under lock and key.

Getting Started

Download LibraVault from:

It requires Android 12+. Uninstall any other ebook app if you want — LibraVault handles EPUB, PDF, and audio all in one.

Your library deserves privacy.

Download LibraVault and take back control of your reading.

Learn About Our Privacy Commitment
privacy epub-reader android audiobooks open-source foss