# Lectaria — AI Audio Study > Listen to PDFs, EPUBs & articles. AI summaries, flashcards & smart study Canonical page: [https://chrome-stats.com/d/com.speakpdfpro.speakpdf\_pro](https://chrome-stats.com/d/com.speakpdfpro.speakpdf_pro) ## Overview - **ID:** `com.speakpdfpro.speakpdf_pro` - **Platform:** Android - **Type:** Android app - **Status:** Available - **Publisher:** Lumina Labs - **Category:** TOOLS - **Downloads:** 39 - **Version:** 1.4.0 - **Last updated:** 2026-05-14 - **First published:** 2026-04-23 - **Publisher country:** PK - **Size:** 62 MB - **Data as of:** 2026-09-11 - **Store listing:** [Google Play Store](https://play.google.com/store/apps/details?id=com.speakpdfpro.speakpdf_pro) - **Website:** [https://n2720fd66.app-ads-txt.com](https://n2720fd66.app-ads-txt.com/) - **Privacy policy:** [https://docs.google.com/document/d/1sf06u6hWJFaPMPAyIcFYh0AxEoSh56eubNB1gq9AegE/edit?usp=sharing](https://docs.google.com/document/d/1sf06u6hWJFaPMPAyIcFYh0AxEoSh56eubNB1gq9AegE/edit?usp=sharing) ## Description Turn any PDF, EPUB, or article into audio you can listen to anywhere.

Lectaria is an AI-powered audio reader built for students and lifelong learners. Import a textbook, research paper, or web article — Lectaria reads it aloud in natural AI voices while highlighting each sentence in sync.

✦ LISTEN TO ANYTHING
• PDFs, EPUBs, DOCX, TXT, and web articles
• Natural AI voices (Google Cloud TTS + device voices)
• Adjustable speed up to 4.5x
• Sentence-by-sentence karaoke highlighting
• Background playback + lock-screen controls
• Sleep timer

✦ AI STUDY TOOLS
Don't just listen — learn. Lectaria turns every document into a study session:
• Instant AI summaries
• Auto-generated flashcards with spaced repetition
• AI-powered quizzes with explanations
• Vocabulary extraction with context
• Smart highlights and notes
• Ask questions about any document

✦ IMPORT FROM ANYWHERE
• Local files
• Google Drive
• Dropbox
• URL import (articles auto-cleaned by AI)
• Offline support — download for flights and commutes

✦ STUDY GROUPS
Invite classmates to a private group. Share documents, create quizzes, track progress, and message teachers. Perfect for book clubs, study groups, and classrooms.

✦ TRACK YOUR PROGRESS
• Reading streaks and daily goals
• Weekly recap with listening stats
• 10 achievement badges
• Personalized reading analytics

✦ PREMIUM FEATURES
Start with Lectaria Free. Upgrade to Pro for unlimited imports, unlimited AI, cloud voices, and all study tools. Invite a friend — you both get 7 days of Pro free.

✦ PERFECT FOR
Students, researchers, commuters, people with dyslexia, visual impairment, or anyone who prefers learning by listening.

Download Lectaria and start your reading journey. ## Rankings - #2,347,051 — Overall ## Permissions and access ### Permissions - `android.permission.ACCESS_ADSERVICES_AD_ID` - `android.permission.ACCESS_ADSERVICES_ATTRIBUTION` - `android.permission.ACCESS_NETWORK_STATE` - `android.permission.FOREGROUND_SERVICE` - `android.permission.FOREGROUND_SERVICE_MEDIA_PLAYBACK` - `android.permission.INTERNET` - `android.permission.POST_NOTIFICATIONS` - `android.permission.READ_MEDIA_AUDIO` - `android.permission.RECEIVE_BOOT_COMPLETED` - `android.permission.RECORD_AUDIO` - `android.permission.VIBRATE` - `android.permission.WAKE_LOCK` - `com.android.vending.BILLING` - `com.android.vending.CHECK_LICENSE` - `com.google.android.c2dm.permission.RECEIVE` - `com.google.android.finsky.permission.BIND_GET_INSTALL_REFERRER_SERVICE` - `com.google.android.gms.permission.AD_ID` - `com.speakpdfpro.speakpdf_pro.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION` ## Similar extensions and apps - [ListenX: AI Text to Speech](https://chrome-stats.com/d/cysyb.listenx.google) — 363 users - [VoiceRead AI: PDF to Audio](https://chrome-stats.com/d/com.sycamorehillstudios.voicereadai) — 361 users - [Listen AI: AI Text to Speech](https://chrome-stats.com/d/com.multiapplogix.listenai) — 295 users - [Lectern: EPUB & PDF Reader](https://chrome-stats.com/d/nl.hofstack.lectern) — 259 users - [MemoLib: Study Smarter with AI](https://chrome-stats.com/d/com.memolib.app) — 592 users - [Text to Speech: Read Aloud](https://chrome-stats.com/d/com.havrylash.textospeech) — 1,347 users - [ReadAloud](https://chrome-stats.com/d/com.bless.readaloud.app) — 140 users - [Lecto: AI Notes & Summarizer](https://chrome-stats.com/d/com.sumato.app) — 257 users - [PageSage: AI Book Narrator](https://chrome-stats.com/d/com.samer.pagesage) — 103 users - [VoiceReader: TTS & Audiobooks](https://chrome-stats.com/d/com.VoiceReader) — 453 users - [PdfListener: Read & Listen PDF](https://chrome-stats.com/d/com.saratigames.pdflistener) — 6 users - [Neural Reader: Smarter Reading](https://chrome-stats.com/d/com.neuralreader.neural_reader) — 189,767 users, 3.26 / 5 --- Source: [Chrome-Stats](https://chrome-stats.com/d/com.speakpdfpro.speakpdf_pro)