Skip to content

Support Center & FAQ

Welcome to the LinguoBook Support Center! Here you will find answers to the most frequently asked questions regarding subscriptions, importing books, translations, the personal dictionary, and progress tracking.

💳 Subscription & Billing

How does the LinguoBook subscription work and what is included in Premium?

The LinguoBook Premium subscription unlocks: * No ads. * Unlimited access to all app features.

How can I cancel or change my subscription plan?

You can manage your subscription at any time: 1. Open the Google Play Store on your device. 2. Go to the Subscriptions section. 3. Select LinguoBook and tap Cancel Subscription or change your plan.

After canceling, you will retain full access to Premium features until the end of your current billing cycle.

📚 Book Import & Catalog

What file formats can I import into the reader?

LinguoBook natively supports the following formats: * .EPUB, .MOBI, .FB2, .TXT, and .ZIP

⏳ Coming Soon: Full support for .PDF files will arrive in an upcoming updates!

Where can I get free books directly inside the app?

You don't need to bring your own files! The app includes an integrated Standard EBooks catalog, allowing you to download thousands of beautifully formatted public domain classics in English with a single tap. Find the cloud button on your Bookshelf screen.

🌍 Translations & Dictionary

Which languages are supported and how does the translator work?

LinguoBook supports instant translations and Text-to-Speech (TTS) audio, synonyms, part of speech and definitions for 8 languages: * 🇬🇧 English * 🇵🇱 Polish * 🇺🇦 Ukrainian * 🇨🇿 Czech * 🇩🇪 German * 🇪🇸 Spanish * 🇮🇹 Italian * 🇫🇷 French

How do I save words to my dictionary?

While reading, simply tap any word or select a phrase. In the translation pop-up, tap the ADD TO DICTIONARY button to add the word to your Dictionary. You can review and reinforce saved words anytime in the context of the exact sentences where you found them.

📊 Statistics & Daily Streak

How does the habit tracker (Daily Streak) work?

Every day you read at least a short excerpt, another day is added to your Daily Streak.

The app automatically tracks your progress and monitors: * 📈 Total number of translated words and total amount of words in your dictionary. * 📚 Completed books. * 🔥 Current and longest daily reading streaks.

✉️ Still Need Help?

If you have technical questions, subscription issues, or or want to report a bug, contact us directly: