HelloStello

HelloStello is a Spanish vocabulary app that builds flashcard decks around what you actually care about. Watching a Spanish-language show? Planning a trip? Learning to cook from your abuela's recipes? Reading a book in Spanish? Describe it, and HelloStello builds you a personalized deck of flashcards — calibrated to your proficiency level, from Absolute Beginner to Advanced. Study with a mix of flashcards and quiz modes. Enhance decks with more vocabulary as you go. Add individual cards on the fly when you hear a word you don't know. Everything's grounded in real Spanish, aligned to CEFR proficiency levels, and reviewed for quality. HOW IT WORKS • Tell HelloStello what you want to learn — a topic, a book, a show, a trip, a hobby • Get a personalized deck of Spanish flashcards, tuned to your level • Study with flashcards + quick quizzes; hit your daily goal to build a streak • Add more words or customize the deck as you go WHY HELLOSTELLO • Vocabulary-first — a complement to Duolingo, not a replacement • Aligned to CEFR proficiency levels (A1–C2) • Points and streaks are optional — turn them off if that's not your thing WHO IT'S FOR People who want to move beyond the basics. Travelers, professionals, heritage learners, hobbyists, students. Anyone building Spanish vocabulary with a specific goal in mind. PRIVACY HelloStello does not sell your data, does not use tracking, and does not run ads. Full privacy policy: https://hellostello.app/privacy Questions? support@hellostello.app