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Ranked by measurement

Best ebook reader

21 tested · top 21 shown

1 more could only be measured on fewer than five frames, so it is not ranked here — a partial average is not comparable with a full one.

Ordered by a seven-frame production-readiness benchmark measured from each product's public surface — not popularity, pricing or feature count. Nobody pays to appear here and the order is never edited. How it is measured →
How this field scores
low 50median 85best 99
  1. 1
    Folarin Bookstore
    An Android reading app offering free and premium books with an AI reading companion.
    Perf 99
    Acce 96
    Sec 100
    Priv 100
    Rel 100
    Std 100
    Disc 100
    folarinbookstore.com · measured 2026-11-10
    7/7 frames
  2. 2
    Chromatics
    Chromatics is a reading app that color-codes character dialogue in classic literature.
    Perf 98
    Acce 93
    Sec 80
    Priv 100
    Rel 100
    Std 92
    Disc 100
    chromatics.mobile · measured 2026-10-31
    7/7 frames
  3. 3
    SwiftsReader
    A reading app for ADHD, dyslexic, and cognitively overloaded readers.
    Perf 94
    Acce 92
    Sec 80
    Priv 100
    Rel 100
    Std 92
    Disc 85
    swiftsreader.com · measured 2026-11-11
    7/7 frames
  4. 4
    PDFreflow
    Mobile e-reader that reflows complex, multi-column PDFs into a single readable column.
    Perf 97
    Acce 98
    Sec 45
    Priv 100
    Rel 100
    Std 100
    Disc 100
    pdfreflow.com · measured 2026-11-09
    7/7 frames
  5. 5
    FacetShelf
    FacetShelf is a multilingual e-book reading platform with translation and AI features.
    Perf 100
    Acce 92
    Sec 70
    Priv 100
    Rel 100
    Std 85
    Disc 85
    facetshelf.com · measured 2026-11-13
    7/7 frames
  6. 6
    Fantasy Read
    An EPUB reader that gives instant spoiler-free context when you tap any name or place.
    Perf 93
    Acce 100
    Sec 35
    Priv 100
    Rel 100
    Std 100
    Disc 100
    fantasyread.ai · measured 2026-11-01
    7/7 frames
  7. 7
    IO reader
    IO Reader is a reading app built to develop deep focus through classic literature and AI.
    Perf 81
    Acce 96
    Sec 80
    Priv 75
    Rel 100
    Std 100
    Disc 90
    ioreader.app · measured 2026-11-14
    7/7 frames
  8. 8
    ReadHere
    Browser-based PDF and EPUB reader with offline access, highlights, and notes.
    Perf 100
    Acce 100
    Sec 45
    Priv 75
    Rel 100
    Std 100
    Disc 100
    readhere.app · measured 2026-11-06
    7/7 frames
  9. 9
    HushBook
    Free read-along audiobook app with on-device transcription and word-level sync.
    Perf 65
    Acce 97
    Sec 80
    Priv 75
    Rel 100
    Std 92
    Disc 100
    hushbook.app · measured 2026-11-06
    7/7 frames
  10. 10
    Theorem
    Theorem is a local-first reader for PDF, EPUB, and RSS that saves highlights as plain Markdown.
    Perf 97
    Acce 97
    Sec 80
    Priv 25
    Rel 100
    Std 100
    Disc 100
    theorem.fundaments.work · measured 2026-11-04
    7/7 frames
  11. 11
    filiread
    Free read-along platform for classic books with text and audio together.
    Perf 91
    Acce 96
    Sec 25
    Priv 100
    Rel 100
    Std 100
    Disc 85
    filiread.com · measured 2026-11-13
    7/7 frames
  12. 12
    Tomen
    A reading app for ebooks and comics from files you already own.
    Perf 96
    Acce 100
    Sec 80
    Priv 25
    Rel 100
    Std 92
    Disc 100
    tomen.app · measured 2026-11-12
    7/7 frames
  13. 13
    Pacibook
    AI-powered ebook store and reader for India with built-in translation and Q&A.
    Perf 69
    Acce 90
    Sec 45
    Priv 75
    Rel 100
    Std 94
    Disc 100
    pacibook.com · measured 2026-11-04
    7/7 frames
  14. 14
    Open Citadel
    Open Citadel is a reading and personal growth app for EPUB books and knowledge reflection.
    Perf 89
    Acce 97
    Sec 45
    Priv 100
    Rel 100
    Std 92
    Disc 35
    open-citadel.online · measured 2026-11-10
    7/7 frames
  15. 15
    Sutra
    Sutra is an iOS app for reading DRM-free ebooks and comics from personal servers.
    Perf 99
    Acce 95
    Sec 25
    Priv 70
    Rel 92
    Std 89
    Disc 87
    sutra-reader.com · measured 2026-11-05
    7/7 frames
  16. 16
    Lampka
    Lampka is a PDF reader for Windows built for long documents like theses and reports.
    Perf 77
    Acce 100
    Sec 25
    Priv 100
    Rel 92
    Std 92
    Disc 60
    lampka.app · measured 2026-11-14
    7/7 frames
  17. 17
    Velo
    Velo is a reading app for iPhone, iPad, and Mac with multiple reading modes.
    Perf 99
    Acce 88
    Sec 25
    Priv 25
    Rel 92
    Std 89
    Disc 100
    veloreader.com · measured 2026-11-13
    7/7 frames
  18. 18
    LazyReader
    Android app for reading and streaming ebooks and audiobooks from cloud storage.
    Perf 43
    Acce 96
    Sec 55
    Priv 25
    Rel 100
    Std 97
    Disc 85
    lazyreader.lindocode.com · measured 2026-11-11
    7/7 frames
  19. 19
    Hooked
    Hooked is a browser-based book discovery and reading app powered by Project Gutenberg.
    Perf 72
    Acce 100
    Sec 25
    Priv 25
    Rel 92
    Std 69
    Disc 50
    hooked.boondoggle.studio · measured 2026-11-04
    7/7 frames
  20. 20
    Advaita Vedanta – Offline Books for Android
    Android app for reading Advaita Vedanta and spiritual classics offline.
    Perf 41
    Acce 98
    Sec 20
    Priv 25
    Rel 100
    Std 79
    Disc 62
    play.google.com · measured 2026-11-11
    7/7 frames
  21. 21
    BookSkim
    Android EPUB reader with a bold-prefix mode designed to reduce re-reading lines.
    Perf 100
    Acce 55
    Sec 45
    Priv 25
    Rel 47
    Std 64
    Disc 15
    sakshikapoor.github.io · measured 2026-11-05
    7/7 frames
What this does not say
This ranks how production-ready each product's public surface is — not how well it does its job. For ebook reader, that means it does not measure the quality of the work itself. Products whose sites block automated readers are left out rather than ranked last — we did not measure them, and bottom placement would claim something we never observed. Scores are floors: anything set at a CDN, a proxy or behind a login is invisible from the public surface.

All measured categories → · Browse the directory →