SlovoBox: Language Toolkit

Master Vocabulary & Reading

Free · In‑App Purchases · Designed for iPad

Deepen your Russian, Spanish, Italian, French, or Japanese. Immersive stories, native audio, & thousands of words. No accounts, no ads, 100% private. Offline-ready. === SLOVOBOX: YOUR PRIVATE LANGUAGE VAULT === Master your target language with a professional toolkit. Whether you are conquering Russian, Spanish, Italian, French, or Japanese, SlovoBox provides the depth and privacy needed for functional fluency. === WHY SLOVOBOX IS DIFFERENT === Tired of subscriptions, forced accounts, and data tracking? SlovoBox is a private vault that lives on your device. [PRIVACY] No accounts required. Start learning instantly. [SECURITY] Your progress and metrics stay on your device. [FOCUS] Zero ads. Zero distractions. Just progress. === NEW IN 2.0: THE READING ROOM === Don't just memorize words, see them in context with our immersive stories. [CONTENT] 35 plus narratives across 4 difficulty levels. [AUDIO] Listen with adjustable "tortoise to hare" speed controls. [LOOKUP] Long-press any word for a dictionary definition. [MASTERY] Mark stories as Finished to watch your progress grow. === ELITE STUDY TOOLS === [QUIZ] Hidden translations for active recall. [RUSSIAN] Specialized word stress marks for pronunciation. [JAPANESE] Toggle between Kanji and Romaji easily. [GESTURES] Swipe to rank your mastery status instantly. [WIDGETS] Keep vocabulary visible on your Home Screen. 100% PRIVATE AND OFFLINE: Your entire library works on a plane, the subway, or deep off the grid.

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SlovoBox has evolved into a full linguistic vault. NEW LANGUAGES: Italian, French, and Japanese have joined the library. THE READING ROOM: 35 plus hand-crafted stories across 4 levels. INTERACTIVE AUDIO: New Text-to-Speech (TTS) with speed controls. SMART LOOKUP: Long-press any word for a dictionary definition. UI REFINEMENTS: Improved layout for stories and cards. Thank you for supporting an independent studio! If you're enjoying the new stories, please leave us a review or even donate in the app.

The developer, Jonathan Pair, 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
      • Jonathan Pair
    • Size
      • 22 MB
    • Category
      • Education
    • Compatibility
      Requires iOS 17.6 or later.
      • iPhone
        Requires iOS 17.6 or later.
      • iPad
        Requires iPadOS 17.6 or later.
      • Mac
        Requires macOS 14.6 or later and a Mac with Apple M1 chip or later.
      • Apple Vision
        Requires visionOS 1.3 or later.
    • Languages
      • English
    • Age Rating
      4+
    • In-App Purchases
      Yes
    • Copyright
      • © 2026 Jack Luck Games, LLC