# ReaderML : PDF & EPUB Reader > Smart reader: AI translation, simplification, notes, cloud sync & Leaderboard Canonical page: [https://chrome-stats.com/d/io.github.mkhub55.readerml](https://chrome-stats.com/d/io.github.mkhub55.readerml) ## Overview - **ID:** `io.github.mkhub55.readerml` - **Platform:** Android - **Type:** Android app - **Status:** Available - **Publisher:** ReaderML - **Category:** PRODUCTIVITY - **Downloads:** 326 - **Version:** 3.0.0 - **Last updated:** 2026-09-09 - **First published:** 2026-07-16 - **Publisher country:** IN - **Size:** 39 MB - **Data as of:** 2026-09-14 - **Store listing:** [Google Play Store](https://play.google.com/store/apps/details?id=io.github.mkhub55.readerml) - **Privacy policy:** [https://readerml.web.app/privacy-policy](https://readerml.web.app/privacy-policy) ## Description ⁜ ReaderML: Clean PDF and EPUB reader with built-in AI reading aids and note-taking:

➢Work through textbooks, research papers, and books with smooth continuous scroll or paginated reading.
➢Turn any selected passage into plain-language explanations, summaries, definitions, or translations without leaving the page.

⁜ Support for PDF and EPUB files, key features:

➢Built-in AI reading aids: Translate, Simplify, Define, Summarise, and Ask custom questions directly from the selection menu.
➢Streamed inline results: AI explanations appear in a panel over the page, anchored to the text with a subtle mark for later review.
➢Custom AI buttons: build your own one-tap prompts to run on any passage (up to 2 on the free plan).
➢Reading Mode (PDF reflow): convert fixed-layout, multi-column PDFs into resizable, continuous text tailored.
➢EPUB reader: reflowable pagination, chapter navigation, custom text sizing.
➢3 reading themes: Light, Eye Comfort, and Dark across all reading modes, with app borders recoloured to match the active page theme.
➢Non-destructive annotations: highlight, underline, strikethrough, and draw freehand with custom colours, line thickness, and opacity.
➢Dedicated rich-text notes: attach a full note editor to any document, save selections into notes, and use read mode to prevent accidental keyboard pop-ups.
➢Customisable selection toolbar: drag and rearrange built-in tools and custom AI buttons across all readers.
➢Document navigation: in-document search with match counters, table of contents outline, and page bookmarks.
➢Cloud storage and sync: 1 GB free cloud storage to sync documents, annotations, notes, bookmarks, and reading progress across devices.
➢Reading habits: server-timed reading clock, daily streaks, monthly calendar grid, and 16 challenge badges.
➢Reader rankings: view your position against other readers on Daily, Weekly, and All-time leaderboards.
➢Private and offline-ready: read and annotate locally without creating an account; no advertisements at any tier.

-Additional benefits with Martian membership:
#High AI usage limit
#20 GB cloud storage for your library, documents, and notes
#Unlimited custom AI prompt buttons
#Exclusive Martian accent colour theme across the entire application

-What is free:
Reading, annotation, rich-text note taking, 1 GB cloud storage, 2 custom AI buttons, AI usage limit(Low), reading habit tracking, 16 challenge badges, and leaderboard rankings. Completely ad-free.

-Permissions:
ReaderML requests notification permission only (`POST_NOTIFICATIONS`) to alert you to daily reading releases and background sync updates. ## Rankings - #1,539,679 — 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.INTERNET` - `android.permission.POST_NOTIFICATIONS` - `android.permission.RECEIVE_BOOT_COMPLETED` - `android.permission.VIBRATE` - `android.permission.WAKE_LOCK` - `com.android.vending.BILLING` - `com.google.android.c2dm.permission.RECEIVE` - `com.google.android.finsky.permission.BIND_GET_INSTALL_REFERRER_SERVICE` - `com.google.android.gms.permission.AD_ID` - `com.google.android.providers.gsf.permission.READ_GSERVICES` - `io.github.mkhub55.readerml.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION` ## Similar extensions and apps - [Smart PDF Reader – AI Tools](https://chrome-stats.com/d/com.aistudio.smartpdf.kxvpr) — 4 users - [PDF Reader: Read PDFs](https://chrome-stats.com/d/com.ayushsinhahaha.pdfreader) — 26 users - [Momento Reads: PDF & EPUB](https://chrome-stats.com/d/com.chhamza1.epubmaster) — 102 users - [ProReadPDF: Smart PDF Reader](https://chrome-stats.com/d/com.sforapps.proreadpdf) — 50 users - [PDF Reader Smart AI Assistant](https://chrome-stats.com/d/com.viewpdf.readdocument.smart.tool) — 1,702,023 users, 3.59 / 5 - [PDF READER Editor](https://chrome-stats.com/d/pdf.reader.worldviewr.special) — 740 users - [Smart PDF Reader & Viewer](https://chrome-stats.com/d/com.smart_pdf_reader_and_viewer) — 22 users - [ReadPro: AI Ebook Reader](https://chrome-stats.com/d/com.readpro.app) — 148 users - [Smart Reader - PDF & Ebook](https://chrome-stats.com/d/com.tcc.documentreader) — 78 users - [Nature+ Ebook Reader: PDF EPUB](https://chrome-stats.com/d/com.natureplusreader.epub) — 15 users - [Star Reader](https://chrome-stats.com/d/com.starreader.mobile) — 51 users - [PDF Reader: AI Tools](https://chrome-stats.com/d/com.pdfreader.viewer.scanner.editor.sign.annotate.documentfile) — 448 users --- Source: [Chrome-Stats](https://chrome-stats.com/d/io.github.mkhub55.readerml)