A Kindle alternative for language learners

EPUB-first. Instant word lookups. Read anywhere—without sacrificing fun.

Built for reading on the go

Everything you need for focused, fun reading—fast, mobile-friendly, without bloat.

  • Optimized for Phones

    Reading interface with zero clutter: you tap words for builtin popup dictionary.

  • Aa

    Lookup words and mark what you know

    Tap words for definition, chose between 1, 2, 3, 4 to rate them. Replace boring flashcard with real reading.

  • EPUB

    Awesome EPUB support

    Original formatting, images , and typography remains after importing.

  • Offline mode

    No internet? Bad wifi? No worries, keep reading! Hatsulingo is built to work offline with optional syncing.

How it looks

Demo preview

Pricing

tldr: everything is free except Sync

  • Offline reading

    Starter Included
    Power Included
  • Unlimited dictionary popup

    Starter Included
    Power Included
  • 10+ themes

    Starter Included
    Power Included
  • Bulk File (EPUB, txt) import

    Starter Included
    Power Included
  • Anki Export (SRS)

    Coming soon
    Starter Included
    Power Included
  • Multi‑device sync

    Coming soon
    Starter
    Power Included