ios · android · web · chrome-extension
Best free text to speech for everyday listening. Handles articles, ebooks, and docs, with a particular edge on complex PDFs and research papers.
Paper2Audio is built for documents that generic text to speech mangled, research PDFs, scans, layouts with citations, tables, and figures. It started as “listen to papers” and grew into PDFs / EPUBs / web / Word, with Reader View, figure/table/math summaries, and a free plan you can actually live on. I reach for it when accuracy of what gets spoken matters as much as hearing something at all, especially on dense uni or work piles.
Fine for study listening, clear enough that I can follow a methods section on a walk. It's not in the same league as ElevenReader or Matter's HD audio though. Prosody is flatter, less “someone is narrating this,” more “competent TTS that doesn't make me angry.” App Store people sometimes call the voices top-notch; I think they're reacting to the parsing win and grading the voice on a curve. If voice candy is why you open the app, look elsewhere.
A handful of named styles (Narrator, Teacher, Orator, etc.). Enough to switch when one gets old. Tiny catalog next to Speechify/ElevenReader. I wouldn't buy Plus for more voice options, there aren't really “more.”
Built to handle jargon, decimals, abbreviations, symbols better than generic readers. Physics/legal students specifically praise formulas and dense prose. Still not magic on every symbol-heavy worksheet, their own FAQ admits math-problem sheets and weird scans can struggle.
Whole document gets generated, then mobile apps download for offline. Hiking / subway / airplane without babysitting a stream. This is why people who bounced off live-only apps stick around.
Research PDFs are the home field. Strips footnotes, headers, reference junk; summarises tables/figures/math instead of reading them cell by cell into nonsense. Multi-column academic layouts are why the product exists. Free cap is 250 pages / 100 MB, plenty for papers; Plus goes to 1000 pages.
EPUB chapter detection + skipping extras. People report huge files (one reviewer: 900-page EPUB) working. Fiction/nonfiction both fine; the academic brain still shows in how it cleans layout.
Web articles get junk stripped and image summaries. Good enough that it's not “papers only” anymore, still not Matter for newsletter inbox / social discovery. Use it when the article is long and messy, not when you want a Pocket replacement.
Scanned PDFs are a real strength in user reports I've read: the same file that felt mangled in Speechify, NaturalReader, or ElevenReader often came through cleaner here. Lower-quality scans still vary (they say so). Not every photo of a whiteboard will be perfect.
Word / pasted text / legal docs show up in the supported list. Slides and weird forms are weak spots per their FAQ, don't expect PowerPoint magic.
Upload, link, extension, Drive integration paths on web. Share sheet on phone. Then wait for the pipeline. Once it's done, listen anywhere.
Two layers: clean audio of the main text, plus Reader View / original PDF when you need to see a figure. Listening.com-style clean narration without giving up visual context. That combo is why I rank it above pure skip-chrome tools for many paper workflows.
TOC / section jumps matter for papers and books. Speed 0.5x-4x in fine increments. Highlight + notes while listening, PhD reviews treat the listen↔read sync as the workflow win.
Highlights and notes are there. Not a Readwise second-brain, enough to mark the paragraph that mattered on the train.
Web + iOS + Android library and progress sync on free. No Apple-only trap.
Offline after generation is first-class on mobile. Generate on wifi, listen on the trail. Plus can export M4A out of the app; free keeps playback inside.
Feels closer to a podcast/audiobook player than a bloated study suite. Upload or share a doc, wait for generation, then listen with highlights/notes. Sync with web so the commute pickup actually works. PhD-type reviews harp on switching between listen and read on different devices without losing place, that's the daily loop.
Same library on Play. Google reviewers call out offline downloads and figure/math handling. Not an Android-only special, just… actually available, unlike Matter.
Web is where I dump papers from the laptop. Library, collections, search, share links. Browser extension can grab pages (including some paywalled flows) without the download dance. Fine, not flashy.
Collections, TOC jumps, library search. Enough for a semester pile without turning into Readwise.
Reader View is the differentiator vs “audio-only academic” apps. Reformats the doc for the phone, keeps figures/tables/math inline, word highlight while it speaks. You can flip back to the original PDF when you need the real layout. People who've tried the same scan elsewhere and got messy extraction specifically call out this reformatting + transcript switch.
Pick Full Text / Long Summary / Short Summary, optional “additional context,” hit go. Fewer knobs than Voice Dream, and to my ear less of the loud marketing push I associate with Speechify. The tradeoff is you wait for processing before you listen, not instant stream-as-you-scroll.
Web, iOS, Android, browser extension. Broader than Matter/Voice Dream, focused enough that it doesn't feel like Speechify's everything-store.
Extension for grabbing pages into the pipeline quickly. Handy next to upload-from-disk.
This is the standout vs almost everyone else on this site. 56 hours/week of generation at 1x (they frame it as ~8 hrs/day average), the same voices free users and Plus users get (no robotic bait tier), no ads, offline on mobile, summaries, sync. Not a 10-minute demo. Personal use is meant to live here.
Limits that matter: 250-page PDFs, 100 MB, web articles capped shorter than Plus. Free content may be used to improve their parsing models (anonymised / not shared as your doc, still a privacy checkbox some people care about). Voices aren't the best in class, the free plan is great because of hours + features, not because it sounds like ElevenLabs.
Plus is the professional tier, about $20/mo or ~$16/mo yearly (~$192/yr on web; App Store IAPs can differ). Triples weekly hours (168), bigger files (1000-page PDFs), M4A export, Markdown transcript export, priority support, and no model-training on your uploads.
Honest take: for students / personal paper piles, free is so good that Plus feels optional, “ok paid plan,” not a must-buy. You upgrade for work compliance, exports, privacy, or monster files. Compared to Listening's $39/yr (no real free) or Speechify's ~$139, the free story is what wins; Plus is fine, not the cheapest paid seat in the category.
Terms push professional / funded research use onto Plus, trust-based. Generation is metered weekly (not listen time). Processing delay before first play. No slides support. If you need instant browser-read of every tab with zero wait, this isn't that tool.
Short / Long Summary modes cut listen time hard (their Spence demo markets an 87% cut on long summary). Denser than fake “AI podcast” skits, aimed at learning, not entertainment. I use long summary to triage, full text when it matters.
Instead of reading a table cell-by-cell into nonsense, it summarises visual elements. Same idea for figures and math. This is the feature people coming from weaker academic TTS setups notice first, in my experience.
Optional extra definitions / context while listening, helpful on jargon-heavy papers without leaving the audio. Definition-style extras show up in Play praise too.
Best premium text to speech: ElevenLabs voices, word-synced reading view, and a daily-driver app across phone and web.
1st placeBest 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
