SuperCali

Everything you need to master words

Android

Productivity

Education

Languages

Vercel Day

SuperCali is a vocabulary builder designed for general English learners, professionals, and exam-preparing students who want to expand their word power — backed by a rich corpus of 20,000+ words with expert-crafted examples, organized across CEFR levels from A1 (beginner) to C2 (mastery). HOW IT WORKS • Choose word packs tailored to your goals — General or Advanced English, IELTS, GRE, business, academic, and more • Create your own custom word packs with words you encounter in daily life • Learn new words with curated example sentences that show real-world usage • Review using scientifically proven spaced repetition (SM-2 algorithm) that adapts to your memory • Play engaging word games to reinforce learning while having fun KEY FEATURES 📚 Smart Flashcards Flashcards with pronunciation, meaning, etymology, and contextual examples. Each word comes with a vivid illustration to aid visual memory and translations in your local language to help you connect new words to concepts you already know. ✏️ Custom Word Packs Build your own word packs by adding any word you come across — from a book, article, meeting, or conversation. SuperCali automatically generates definitions, examples, illustrations, and translations, turning your personal word list into a full learning experience powered by spaced repetition. 🖼️ Visual Learning Every word is paired with a carefully chosen image that captures its meaning — making abstract concepts concrete and easier to recall. 🌐 Local Language Translations See word meanings in your native language alongside English definitions. Bridge the gap between what you know and what you're learning. 🎮 Word Games Six brain games to make learning stick — Semantic Siege, Rapid Fire, Spelling Bee, Grow, Word Connections, and Word Grid. Challenge yourself daily and sharpen recall under pressure. ✍️ Writing Assistant Get feedback on your writing with suggestions to use your newly learned vocabulary in context. 🎭 Roleplay Conversations Practice vocabulary in realistic conversation scenarios. Build confidence using new words naturally. 📖 Story Mode Read stories that incorporate your vocabulary words, making them memorable through narrative context. 🌱 Word Garden Watch your garden grow as you learn — a visual representation of your vocabulary journey. 📊 Progress Tracking Track your learning streak, retention rate, and vocabulary growth over time. Stay motivated with daily goals, badges, and achievements. WORD PACKS FOR EVERY GOAL • Test Prep: IELTS, GRE, SAT, TOEFL, PTE, TOEIC • Professional: Business, Legal, Finance, Marketing, Hospitality • Academic: Academic Writing, Research, Literature, Philosophy • Everyday: Advanced English, Idioms, Phrasal Verbs • Custom: Build your own packs with any words you want to learn STRUCTURED BY CEFR LEVELS Words are categorized from A1 (beginner) through C2 (mastery), so you always learn at the right difficulty for your level and progress naturally. WHY SUPERCALI? Unlike basic flashcard apps, SuperCali features a rich, expert-curated word corpus with detailed examples, etymology, illustrations, and native language translations. Add any word you encounter and it becomes a fully enriched flashcard. Combined with proven spaced repetition science and genuinely fun word games, it makes vocabulary building effective and enjoyable. Start free with 200 words from the Everyday English pack. Upgrade to Pro for unlimited access to all word packs, games, and features. Download now and start building the vocabulary you've always wanted.