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Best Readest Alternatives in 2026

Freemium#1 of 27 in Ebook Reader Software

The top Readest alternatives are BookFusion, PocketBook Reader and Thorium Reader: 15 ebook reader software our editors would look at instead of Readest, in our ranking order.

9.4/10Editor score
Readest9.4 Visit Readest

Readest: A cross-platform ebook reader for broad format support and detailed annotations. Where it falls short: cloud storage is part of paid plans.

Switching from Readest? For most ebook reader software buyers the best Readest alternative is BookFusion, built for cloud library users who want broad format support.

Why People Look for a Readest Alternative

  • Cloud storage is part of paid plans
  • Advanced AI tools are limited to the Pro Plan
  • Support varies from community support to priority support
  • Paid from $4.99/mo — BookFusion is $1.99/mo

Quick Picks by What You Need

All 15 Readest Alternatives, Ranked

Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.

  1. Best forCloud library users who want broad format support

    • Better than Readest:
    • Paid from: $1.99/mo vs $4.99/mo

    A flexible cloud library for mixed-format readers who want offline access and sync.

    9.2/10★★★★★
    Visit BookFusion
  2. Best forMobile readers needing DRM and cloud sync

    A format-rich free reader for mobile users who need Adobe DRM and reading-position sync.

    • Offline reading
    • Reading sync
    • Annotation tools
    9.0/10★★★★☆
    Visit PocketBook
  3. Best forAccessible desktop reading with DRM support

    A free, accessible reader for EPUB, PDF, DAISY, and Web Publications.

    • Offline reading
    • Annotation tools
    8.9/10★★★★☆
    Visit Thorium Reader
  4. Best forAndroid power users who customize reading deeply

    A highly customizable Android reader for mixed libraries, annotations, and offline reading.

    • Offline reading
    • Reading sync
    • Annotation tools
    8.7/10★★★★☆
    Visit Moon+ Reader
  5. KOReader

    Best forOpen-source readers using ereaders and Calibre

    A free, open-source reader with broad format support and deep Calibre integration.

    • Reading sync
    • Annotation tools
    8.6/10★★★★☆
    Visit KOReader
  6. eBoox

    Best forReaders needing maximum format flexibility

    A flexible free reader for people who move across ebook, document, and comic formats.

    • Offline reading
    • Reading sync
    • Annotation tools
    Free plan Our eBoox verdict → Visit eBoox
    8.5/10★★★★☆
    Visit eBoox
  7. Best forApple readers who export annotations

    A capable Apple-only reader for DRM-free books and exportable annotations.

    • Offline reading
    • Reading sync
    • Annotation tools
    8.4/10★★★★☆
    Visit Yomu
  8. KyBook 3

    Best forApple users with complex library sources

    A format-rich Apple ebook library with OPDS, annotations, storage connections, and optional sync.

    • Reading sync
    • Annotation tools
    8.3/10★★★★☆
    Visit KyBook 3
  9. ReadEra

    Best forReaders wanting simple offline multi-device access

    A flexible offline reader with broad format support and optional Google Drive synchronization.

    • Offline reading
    • Reading sync
    • Annotation tools
    8.2/10★★★★☆
    Visit ReadEra
  10. Best forAndroid readers needing conversion and catalog tools

    A format-rich reader with catalog tools, conversion features, and Google Drive sync.

    • Reading sync
    • Annotation tools
    8.1/10★★★★☆
    Visit Librera Reader
  11. Libby

    Best forLibrary borrowers who want reading and syncing

    A free, mature choice for borrowing and syncing library books across devices.

    • Offline reading
    • Reading sync
    • Annotation tools
    Free plan Our Libby verdict → Visit Libby
    8.0/10★★★★☆
    Visit Libby
  12. Best forFree EPUB and PDF reading across major platforms

    A straightforward free reader for EPUB, EPUB3, and PDF ebooks across four platforms.

    • Offline reading
    • Reading sync
    • Annotation tools
    7.9/10★★★★☆
    Visit site
  13. FBReader

    Best forReaders wanting broad platform coverage

    A broad-format reader with strong platform coverage and paid feature splits.

    7.8/10★★★★☆
    Visit FBReader
  14. Best forSelf-hosted ebook library administrators

    A capable free library server for readers comfortable managing self-hosted software.

    • Reading sync
    7.7/10★★★★☆
    Visit Calibre-Web
  15. Best forAndroid readers using OPDS or FBReader services

    A focused Android reader with broad ebook support, offline reading and FBReader synchronization.

    • Offline reading
    • Reading sync
    • Annotation tools
    7.6/10★★★★☆
    Visit DinoReader

Readest Alternatives: Common Questions

What is the best alternative to Readest?

BookFusion: #2 in our Ebook Reader Software ranking, with an editor score of 9.2 out of 10. A flexible cloud library for mixed-format readers who want offline access and sync.

Is there a free alternative to Readest?

Yes. BookFusion, PocketBook Reader, Thorium Reader, Moon+ Reader and KOReader have a free plan or a free tier (15 of the 15 alternatives on this page).

Why do people look for Readest alternatives?

Cloud storage is part of paid plans; Advanced AI tools are limited to the Pro Plan; Support varies from community support to priority support.

How do I switch from Readest?

Export your data from Readest (most tools have an export in their settings). Sign up for the alternative; start on its free plan or trial if it has one. Import your export and set up the integrations your team relies on. Run both side by side for a short while, then cancel Readest.

How to Switch from Readest

  1. Export your data from Readest (most tools have an export in their settings).
  2. Sign up for the alternative; start on its free plan or trial if it has one.
  3. Import your export and set up the integrations your team relies on.
  4. Run both side by side for a short while, then cancel Readest.

Readest vs Each Alternative

#ToolFree planPaid fromSupported platformsSupported formatsAnnotation toolsReading syncScore
1ReadestYes$4.99/moweb, Windows, macOS, Linux, iOS, AndroidEPUB, PDF, MOBI, AZW, AZW3, FB2, CBZ, ZIP, TXT, MarkdownYesYes9.4
1BookFusionYes$1.99/mo9.2
2PocketBook ReaderYesiOS, AndroidPDF (Adobe DRM), EPUB (Adobe DRM), DjVu, FB2, FB2.zip, MOBI, DOCX, RTF, TXT, CHM, HTML (Basic), CBZ, CBR, CBTYesYes9.0
3Thorium ReaderYesFreeWindows, macOS, Linux, iOS, iPadOSEPUB 2/3, Fixed Layout EPUB, PDF, DAISY 2.02/3, Web PublicationsYes8.9
4Moon+ ReaderYesAndroidEPUB, PDF, DJVU, AZW3, MOBI, FB2, PRC, CHM, CBZ, CBR, UMD, DOCX, ODT, RTF, TXT, HTML, MHT/MHTML, MD (MarkDown), WEBP, RAR, ZIP, OPDSYesYes8.7
5KOReaderYesFreeKindle, Kobo, PocketBook, Android, desktop Linux; macOS emulatorEPUB, PDF, DjVu, XPS, CBT, CBZ, FB2, PDB, TXT, HTML, RTF, CHM, DOC, MOBI, ZIPYesYes8.6
6eBooxYesweb, iOS, AndroidEPUB, FB2, MOBI, PDF, DOC, DOCX, TXT, PRC, RTF, ODT, HTML, AZW, AZW3, CBR, CBZ, ZIP, RARYesYes8.5
7Yomu EBook ReaderYes$7.99 one-timeiOS, macOSEPUB, MOBI, Kindle AZW/AZW3/KF8, CBZ, CBR, PDFYesYes8.4
8KyBook 3YesiOS, macOSEPUB (DRM-free), PDF (DRM-free), MOBI, AZW3, DjVu, FB2, FB2.ZIP, CBR, CBZ, CBT, MP3, M4A, M4B, TXT, RTFYesYes8.3
9ReadEraYesiOS, Android, macOSEPUB, PDF, MOBI, AZW3, FB2, DOC, DOCX, RTF, ODT, DJVU, TXT, CHM, CBZ, CBRYesYes8.2
10Librera ReaderYesAndroid, webPDF, EPUB, EPUB3, MOBI, DjVu, FB2, FB2.ZIP, TXT, RTF, AZW, AZW3, HTML, CBZ, CBR, DOC, DOCX, ODT, XPS, TIFF, PDB, MHTYesYes8.1
11LibbyYesFreeweb, windows, macos, ios, androidEPUB, PDFYesYes8.0
12Adobe Digital EditionsYesFreeWindows, macOS, iOS, AndroidEPUB, EPUB3, PDFYesYes7.9
13FBReaderYes7.8
14Calibre-WebYesFreeweb, Windows, macOS, Linux, self-hostedTXT, PDF, EPUB, KEPUB, CBZ, CBT, CBR, DJVU, DJVYes7.7
15DinoReaderYesFreeAndroidEPUB, PDF, FB2, other book formatsYesYes7.6

Head-to-Head

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update