Vocabio

Vocabio is a focused vocabulary trainer for English learners. Build your own word lists, drill them through five training modes, and watch your progress in detailed statistics.

WHAT YOU GET
• Custom word lists. Add words with translations, transcriptions, and optional example sentences. Search and edit anytime.
• Five training modes. Flashcards, quiz, writing, scramble, and a mix mode that rotates between them. Pick exactly which words to drill before each session.
• Direction toggle. For writing and quiz modes you choose whether you see the English prompt or the translation first.
• Native pronunciation. Tap the speaker icon on any word for built-in text-to-speech.
• Grammar theory. Reference images for present simple, past simple, present continuous, question types, and degrees of comparison.
• Statistics. Overview of total words, sessions, and accuracy. Per-mode breakdown. Recent session history with color-coded results.
• Light and dark themes, English and Ukrainian interface.

PREMIUM
Upgrade once and unlock:
• Unlimited words (free tier is capped at 100)
• No banner or interstitial ads
• Cloud sync across your devices via your Google or Apple account
• Full training statistics
• Bulk import of word lists from Google Sheets — paste a public sheet URL and import hundreds of words at once

Premium is available as a monthly or yearly subscription. You can cancel anytime in your account settings.

PRIVACY
Your data stays on your device by default. Cloud sync is opt-in for Premium subscribers signed in with Google or Apple. We don't sell your data or use analytics SDKs.

Vocabio is designed for Ukrainian speakers learning English, but the interface and audio work for any pair of words you add.