Thorium Reader replaces 2 paid apps
One open-source tool, 2 subscriptions it can stand in for. Each pairing below is curated and verified by hand, with the honest catch spelled out. No votes, no pay-to-list.
licenseBSD-3-Clause
runson your machine
installInstall from Microsoft Store or use the official Windows installer, macOS build, AppImage or Debian package
enginesOperating-system text-to-speech voices selected according to the publication's language
dataImported publications in Thorium's local application-data publications directory; bookmarks/highlights in local state and a dedicated SQLite notes database in recent versions
setupA corresponding operating-system voice pack must be installed for any missing language
facts verified 2026-08-11
A cross-platform accessible ebook reader with built-in read-aloud and no cloud account.
the catchIt has no PDF read-aloud and no Speechify-style mobile cloud library or OCR capture.
the verdict →all Speechify alternatives →
A free desktop reader built by accessibility people: ebooks, PDFs and text-to-speech, with no account or ad slot.
the catchRead-aloud is EPUB-focused and does not work for PDFs, a major limitation beside NaturalReader's document coverage.
the verdict →all NaturalReader alternatives →last updated 2026-08-11 · up to $516/yr replaced · no votes, no pay-to-list