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Éist

The offline EPUB-to-audiobook app

Éist: Turn any EPUB or PDF into an audiobook

The free offline text-to-speech app that converts your ebooks into natural audio. No internet required, no ads, unlimited listening forever.

Free forever • No account required • Works offline

Eist audiobook reader app on iPhone — playing Dracula in dark mode, showing chapter navigation, playback speed controls, and sleep timer for offline EPUB-to-audiobook listening.

Listen right now — free

17 classics, streaming in your browser

No signup, no download, no ads. Hit play on any cover below and the audiobook starts streaming in seconds — narrated by the same Kokoro voice the Eist app uses for its free tier.

Browse all 17 →

The complete EPUB to audiobook solution

Eist combines powerful text-to-speech technology with thoughtful design to create the best offline audiobook experience for your own books.

Advanced AI Text-to-Speech Engine

Natural, expressive narration

Eist uses state-of-the-art on-device AI to convert your ebooks into natural-sounding audio. Unlike robotic screen readers, our text-to-speech engine understands context, handles punctuation naturally, and delivers expressive narration that makes listening enjoyable for hours. Choose from multiple voice options with different accents, genders, and speaking styles to find your perfect narrator.

EPUB and PDF Support

Import any ebook format

Bring your entire ebook library into Eist. We support EPUB files with full chapter detection, bookmarks, and metadata extraction. PDF support means you can listen to documents, textbooks, and scanned books too. Plus, browse over 70,000 free public domain classics from Project Gutenberg directly in the app — from Pride and Prejudice to Sherlock Holmes.

Full Playback Control

Listen your way

Take control of your listening experience with adjustable playback speeds from 0.5x to 3x. Set sleep timers for bedtime listening, create bookmarks to save your place, and navigate easily between chapters. Background playback lets you listen while using other apps, and the lock-screen controls keep you in command without unlocking your phone.

100% Offline Capability

No internet required

Once you download your preferred voices, Eist works completely offline. All text-to-speech processing happens on your device — no cloud, no streaming, no data usage. Perfect for flights, subway commutes, camping trips, or anywhere with spotty reception. Your books are always available, and your reading habits remain completely private.

Your Privacy First

Runs on your device, not server farms

Everything happens locally on your phone. Your books, your reading habits, your preferences — they never leave your device. No cloud accounts. No data collection. No tracking.

  • Complete Privacy

    No account required. No data synced. Zero tracking.

  • Works Offline

    No internet needed. Listen anywhere, anytime.

  • You Control Everything

    Your books, your choices. Delete anytime.

Your books. Your device. Your privacy.

How Éist compares to alternatives

Other text-to-speech services upload your book text to their servers. Éist processes everything on your device — your content never leaves your phone. Here's the complete breakdown.

Feature comparison between Éist, ElevenLabs, Speechify and NaturalReader for EPUB and PDF to audiobook conversion.
Feature Éist ElevenLabs Speechify NaturalReader
Price Free / $4.99/mo Free / $5–$99+/mo Free / $9.99–$19/mo Free / $10–$20/mo
EPUB support
PDF support
Synthesized on-device Cloud only Cloud only Cloud only
True offline (no prior download needed)
Account required Optional
Text sent to servers
Characters/month cap Unlimited 10k free then paid Capped on free 20 min/day free
Project Gutenberg library
Android Limited

Why this matters: Cloud-based services like ElevenLabs and Speechify send every word of your book text to their servers — that's a privacy concern for personal books and manuscripts. Éist runs entirely on your device. Your book content never leaves your phone, we don't track what you read, and you get unlimited listening forever on the free tier — something no competitor offers.

How it works

From book to audiobook in three simple steps.

  1. Eist app screen showing the Project Gutenberg free classics catalogue with cover thumbnails and titles like Dracula and Frankenstein

    Import your book

    Add any EPUB or PDF from your device, or browse free classics from Project Gutenberg's extensive library.

  2. Eist app book details screen showing chapter list, cover thumbnail, and voice selection options for the imported EPUB

    Choose a voice

    Select from multiple AI voice engines. Find the perfect narrator for your reading style and book genre.

  3. Eist app playback screen with text highlighting, chapter progress, sleep timer button, and 1.5x playback speed selector

    Start listening

    Hit play and enjoy. Track your progress, adjust speed, and pick up right where you left off.

Loved by readers everywhere

Real listeners on what changed when they swapped to Eist.

  • “Finally, an audiobook app that respects my privacy. No account required, no tracking, just pure offline listening. The voice quality is surprisingly good for on-device TTS.”

    Sarah M.

    Privacy Advocate

  • “I have hundreds of EPUBs from Humble Bundle and other sources. Eist lets me actually listen to them without paying per-book like Audible. Game changer for my commute.”

    James K.

    Book Collector

  • “I can listen for hours without any interruptions. Unlike cloud-based apps that require constant uploads, Éist processes everything locally on your device. My phone easily lasts through 8+ hours of listening.”

    Michael R.

    Frequent Traveler

  • “As someone who struggles with reading due to dyslexia, this app has been life-changing. I can finally enjoy all the books I’ve bought but never read.”

    Emma L.

    Accessibility User

Simple, honest pricing

No hidden fees. No listening limits. No ads ever. Just pure audiobook freedom.

UNLIMITED FREE LISTENING NO ADS EVER

The free tier that actually respects your time

Other apps charge per hour, cap monthly listening, and bombard you with ads. With Eist, the free tier gives you unlimited text-to-speech synthesis forever with zero ads. Read as much as you want, whenever you want, completely free.

Listening Hours

0

Ad Interruptions

$0

Cost Forever

Free

Forever. No credit card required.

$0 /month
  • Unlimited listening hours forever Truly unlimited
  • Unlimited TTS synthesis No synthetic limits
  • No ads. Ever. Promise
  • 1 book in library at a time
  • 3 voices included
  • EPUB & PDF support
  • Offline reading
  • Background playback
Get Started Free
3 months free

Premium

For power readers

$4.99 /month

After 3-month free trial

  • Everything in Free, plus:
  • Unlimited books in library
  • 20+ premium voices
  • Instant playback (pre-synthesis)
  • Unlimited cache storage
  • Priority processing
Start Free Trial

Cancel anytime. No questions asked. Your books stay with you.

Frequently asked questions

Everything you need to know about converting ebooks to audiobooks with Eist.

How do I convert an EPUB to an audiobook?

Open Eist on your phone, tap "Import", and choose any EPUB file from your device or a cloud drive. Pick a voice, hit play, and Eist starts narrating immediately using on-device text-to-speech. No upload, no waiting for cloud conversion, no per-book purchase.

Does Eist work completely offline?

Yes — once you have downloaded your preferred voices, every part of the listening experience runs offline. Text-to-speech happens on your phone's processor, so you can listen on flights, the subway, or anywhere without signal. Your books never leave your device.

What file formats does Eist support?

Eist supports EPUB and PDF. EPUB works best because the format preserves chapters and paragraph structure cleanly. PDFs are supported but quality depends on whether the PDF has selectable text or is a scanned image (image-only PDFs require OCR, which Eist does not yet do).

Is Eist really free? What is the catch?

The free tier gives you unlimited listening hours forever, unlimited TTS synthesis, no ads, and three voices. Premium ($4.99 / £4.39 / €4.99 a month after a three-month free trial) adds 20+ voices, unlimited library storage, and instant pre-synthesised playback. There is no trick — the free tier is genuinely unlimited.

How does Eist compare to Audible?

Audible sells you professionally narrated audiobooks one at a time. Eist converts books you already own (EPUB, PDF, Project Gutenberg classics) into audio using AI text-to-speech. There is no per-book cost, everything runs offline, and you keep your existing library — but the narration is AI, not a celebrity voice actor.

Can I listen to books from Project Gutenberg?

Yes. Eist has built-in access to Project Gutenberg's catalogue of over 70,000 free public-domain ebooks — Pride and Prejudice, Dracula, Moby Dick, Sherlock Holmes, and thousands more. You can browse the catalogue inside the app, import in one tap, and start listening immediately.

Does Eist collect my data or track what I read?

No. Eist requires no account, never transmits book content, and stores reading progress locally on your device. We use anonymous PostHog analytics for crash and feature metrics — you can disable it in Settings → Privacy. Your reading habits are your business, not ours.

What voices are available in Eist?

The free tier ships with three high-quality on-device voices tuned for long-form narration. Premium adds 20+ voices with varied accents, genders, and speaking styles — including warmer storytelling voices for fiction and clearer, faster voices for non-fiction. All voices run entirely offline once downloaded.

Still have a question? Drop us a line at [email protected] — we read everything.

Ready to start listening?

Download Éist today and transform your reading experience. Available for both Android and iOS, free forever.

Free to download • Premium voices available • Cancel anytime