Audeus vs TTSReader
Audio
Voice quality

Lifelike AI voices, claim clarity at high speed. Speeds up to ~3.5x. Good enough for long study blocks; I'm not putting it above ElevenReader for pure voice candy.

Free = Web Speech API / installed system voices, unlimited, quality depends on your browser/OS (Chrome gets Google voices). Fine for proofreading and short listens; not Matter/ElevenLabs. Premium neural voices (Azure, Google, OpenAI, xAI/Grok, proprietary) are the ones that sound modern, free accounts only get a tiny neural tease (~5k premium characters total per their pricing docs). You can mix voices/languages/speeds in one file for dialogs.
Voice selection

Large catalog (100+/150+ depending which page you read) across 50+ languages. Enough to rotate when a voice gets tiresome.

Huge catalog once you're on Premium, including pasting any Azure Voice Gallery name. Free tier still has a lot of system options. Good for multilingual and classroom use cases they market hard.
Offline audio


System voices work offline via the browser. Premium MP3/WAV export is the "listen later / publish" path, commercial rights come with Premium per their license. Export has been Windows-focused historically; check current player docs if you're on Mac.
Document processing
PDFs

PDF is core. Double-column academic extraction + Smart Skip for headers/footers/page numbers/citations/equations/captions (toggleable). This is the Listening.com-adjacent academic angle.

Upload a PDF and it extracts text for listening / copy-out. Works for many text-layer docs; scanned/layout-heavy academic PDFs still get the usual TTS mess (headers, columns, footnotes). Reddit comparisons sometimes ding it for not skipping citations/footnotes, expect a paste-box extractor, not a journal-native parser.
Ebooks

Non-DRM EPUB supported. Secondary to PDFs/docs for me.

EPUB import turns Project Gutenberg-style books into listenables. DOCX/TXT/CSV too. Solid "make this file speak" coverage for a browser tool.
Web articles

Extension reads pages; paste-link into library for arXiv/PubMed-style workflows without always downloading first.

Paste a URL into the player, or use the Chrome/Edge extension to listen on-page. Extension claims skip irrelevant chrome and only injects when you trigger it. Official V3 extension (WellSource Ltd.) is Premium-oriented with a trial, watch out for copycat "TTS Reader" listings in the Chrome Web Store.
OCR & scans

Camera / batch scan of physical books and handouts, plus image/screenshot OCR. Big deal for textbooks that aren't clean digital PDFs.

Office docs

Word docs and paste-into-notepad for proofreading your own writing aloud, law/grad student use case they lean into.

Listening workflow
Bookmarks & notes

Highlights + notes while listening. More study-markup than Instapaper-style article highlights.

Persistence of text + last position is the main workflow win. Not a full read-later library with tags/playlists. Premium adds storage/sharing of rendered text-audio pages (teachers share, students listen free is a marketed pattern).
Cross-device sync

Progress sync across phone and web is part of the pitch. Pick up the same paper later.

UI / UX
iOS app

iOS app for commute listening + camera scan of textbook pages. Progress syncs back to web.

Android app

Android app on Play. Same library sync idea. Some Play reviews complain about hitting a free daily limit fast and not finding a clear upgrade button, messy first impression if that's still true.

Web app

Web app is a real home base, drag-drop PDFs, library folders, listen with highlight sync. Easy to start in a browser without installing anything.

The web player is the product: big text box, voice picker, play/export. Rich-text editor, sentence highlight + auto-scroll while speaking, font/theme tweaks, word/character counter for writers. Remembers text + caret position if you close the tab (Chrome/Safari mobile too). No ads on the main experience, that alone puts it ahead of a lot of "free" TTS pages.
Reading view

Word-by-word highlight while audio plays is the focus trick. Customise highlight colour. Annotations/notes on docs and even shape highlights on figures.

Ease of use

Upload → pick a voice (they name them Arden, Linen, etc.) → play. Reading-time estimates based on your speed are genuinely useful if you have time-blindness / ADHD planning issues, member stories harp on that.

Paste → play is genuinely zero-friction. No account required for free voices. Import PDF/DOCX/EPUB/TXT when you have a file. Proofreading people love editing while it speaks. Not a polished "library + collections" UX, if you want that, you're in the wrong app.
Platforms & ecosystem
Platform coverage

Web, iOS, Android, Chrome and Edge extensions. Solid coverage for a study TTS.

Web is the real product (Chrome/Firefox/Safari, Chromebooks, mobile Safari/Chrome tabs). Official Chrome/Edge extension for on-page listen. The Play listing for Android TTSReader Pro looks largely dormant to me (last meaningful update around 2020 last I checked), so I'd treat phone use as "open the website," not a polished native daily driver. No modern iOS native app that I've found.
Browser extension

Chrome/Edge extensions for page listening, useful on journal sites.

Official V3 extension (WellSource Ltd., ID to match from ttsreader.com/x) is privacy-pitched, no inject until you ask. Built for paying users: sign-in + Premium after trial for the AI-voice experience. Free unlimited listening still lives mainly in the web player with system voices. Ignore similarly named copycats in the Chrome Web Store.
Pricing & limits
Free tier

Free download / free tier exists but is limited (daily caps show up in Play reviews). 3-day Pro trial then auto-charge unless you cancel. Same "calendar reminder" advice as every other trial in this space.

Unlimited free/system voices for listening in the reader, no ads, no login required for the basic loop. Neural voices are a tiny tease (~5k premium characters total on free, per their pricing page, confirm). Best free utility TTS page I've used for proofreading and one-offs.
Paid value

Web Pro is roughly $9.92/mo billed yearly (~$119/yr) or higher monthly, App Store SKUs can look different, so check the surface you buy on. They pitch student/teacher discounts. Value depends on whether Smart Skip + OCR + sync beat cheaper paper specialists like Listening's $39/yr for your mix of files.

Premium $10.99/mo or $99/yr with 1M premium characters/month, plus pay-as-you-go credit packs ($10/200k, ~$32/1M, ~$300/10M, confirm on their pricing docs). Unlocks neural voices, MP3/WAV export, sharing, commercial use, extension. Cheap vs Speechify if you mainly need export + nicer voices. Character metering matters for long books. A "Premium+" tier has appeared in tables as coming-soon, don't plan on it yet.
Study extras
Extra section
Smart Skip

Toggle skipping citations, footnotes, equations, captions, headers, this is the academic listening feature that matters. Same category of win as Listening.com's citation mute.

AI document chat

Chat / ask the paper while you work through lit reviews. Handy; treat answers like any LLM, verify against the PDF.

Reading time estimates

Time-to-finish based on playback speed. Small feature, outsized for ADHD planning according to their own member quotes. I actually like seeing the number.

Steven's top picks

Best premium text to speech: ElevenLabs voices, word-synced reading view, and a daily-driver app across phone and web.
1st place
Best free text to speech for everyday listening. Handles articles, ebooks, and docs, with a particular edge on complex PDFs and research papers.
2nd place
Audio-first read-it-later with excellent HD voices for articles and newsletters. The Apple listen-later pick when the pile is web reading.
3rd place
