Readlex: Read & Learn

Learn Words While You Read

$4.99 · In‑App Purchases · Designed for iPad. Not verified for macOS.

One-time purchase. No subscription, no account, no limits. Translate words, build vocabulary and read in any language — yours forever. Read books. Learn a language. Naturally. Readlex combines a powerful ebook reader with language learning tools. Long-press any unfamiliar word to get an instant translation, hear it pronounced, and save it to your personal vocabulary — all without leaving the page. No sign-up. No account required. Your books, vocabulary, highlights and bookmarks sync automatically across all your iPhone and iPad devices via iCloud. HOW IT WORKS You read → find an unknown word → translate with one tap → save it with context → review with flashcards. In a few weeks, the words become yours. READER • EPUB and FB2 formats • Three reading modes: vertical scroll, horizontal swipe, page curl • Adjustable font size and text justification • Auto-scroll for hands-free reading with customisable speed • Reading position synced automatically • and much more TRANSLATION & PRONUNCIATION • Translate any word with a long press • Automatic source language detection • Translate and listen to the full context sentence • Switch source language directly in the translation card • Set your preferred target language in app settings HIGHLIGHTS • Highlight passages in five colours • Navigate between highlights without leaving the reader • View all highlights filtered by colour or chapter PERSONAL VOCABULARY • Words saved with translation and the original sentence • Listen to word and full phrase pronunciation • Filter by language or by book • Tap any word to jump back to where you found it • Progress tracking: New · Learning · Learned SPACED REPETITION FLASHCARDS • Smart algorithm — reviews scheduled at the right time • Cards built from words you actually saved while reading • Badge shows how many words are due for review today STATISTICS • Reading progress per book • Vocabulary growth by day, book, and language • Learning progress visualisation NO ACCOUNT — EVERYWHERE No registration. No server. Everything stored locally and synced via iCloud: • Your book library • Personal vocabulary • Highlights and bookmarks • Reading progress Switch from iPhone to iPad — pick up exactly where you left off. WHY READLEX? One-time purchase — no subscription. Pay once, use forever. Most language apps teach words in isolation — and require an account to get started. Readlex teaches you words where they matter: in the context of real books. Everything is yours — your words, highlights, and progress stay on your devices, not on someone else's server. Read more. Learn naturally. Remember longer.

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The developer, Anatoliy Vyzhletsov, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .

  • Data Not Collected

    The developer does not collect any data from this app.

    Privacy practices may vary, for example, based on the features you use or your age. Learn More

    The developer has not yet indicated which accessibility features this app supports. Learn More

    Seller
    • Anatoliy Vyzhletsov
    Size
    • 50.2 MB
    Category
    • Books
    Compatibility
    Requires iOS 18.5 or later.
    • iPhone
      Requires iOS 18.5 or later.
    • iPad
      Requires iPadOS 18.5 or later.
    • Mac
      Requires macOS 15.5 or later and a Mac with Apple M1 chip or later.
    • Apple Vision
      Requires visionOS 2.5 or later.
    Languages
    English and 5 more
    • English, Dutch, French, German, Russian, Spanish
    Age Rating
    4+
    In-App Purchases
    Yes
    Copyright
    • © Anatoliy Vyzhletsov