Lingle delivers an advanced AI voice agent designed to act as a personal language tutor, bringing the benefits of 1-on-1 instruction to a flexible digital platform. This tool is for language learners who want consistent, personalized practice without the scheduling or cost constraints often associated with human tutors. Lingle plans customized lessons, incorporating visuals and focusing on conversational fluency. During sessions, the agent guides users through topics, offering real-time corrections and explanations on a virtual whiteboard when needed. It asks engaging questions to keep the conversation flowing naturally. A key feature is its long-term user model, which intelligently tracks a user's vocabulary, grammar, and overall skill progression. This memory ensures that each subsequent lesson builds directly on past learning, creating a truly adaptive and progressive learning path. The voice agent itself boasts low latency, specifically engineered to accommodate the pauses and hesitations common among language learners. Users achieve more confident and accurate conversational skills, building a robust foundation of knowledge over time. Lingle offers a distinct, highly personali