Talkio AI is an AI-powered language training app designed to help users improve their oral language skills through lifelike voice conversations with AI tutors. It supports over 70 languages and 122 dialects, offering premium voice technology and multiple dialects for popular languages. Key features include word-by-word pronunciation scoring, instant feedback on speaking skills, interactive wordbook, progress tracking with weekly reports, streaks, crosstalk (mixing native and target language), and instant translations. The app provides more than 400 AI tutors with unique personalities, and uses custom-tuned models from OpenAI, Anthropic, and Groq. It is suitable for learners with basic knowledge but also beginner-friendly via crosstalk. Talkio is a Progressive Web App (PWA) installable from browsers, requiring no App Store download. It has been recognized in academic research and is trusted by more than 500,000 users.