AITalk is a language learning application, utilizing AI tutors to enhance users' language acquisition process. It provides a specially curated platform to learn multiple languages by way of engaging in verbal conversations with AI characters. These interactive characters guide users to learn and speak naturally by having chat-based dialogues, thereby aiding in enhancing fluency over time. AITalk is especially helpful for those preparing for the IELTS Speaking exam, offering personalized practice sessions and instant feedback for effective communication. This mobile application also features AI writing assistance, grammar correction, and creative naming tools to foster language proficiency and confidence in users. Its simulated conversation feature enables users to engage in continuous chat training with different prompts each time, underlining an emphasis on stress-free conversation and the freedom to practice at one's convenience. AITalk is widely appreciated for its intuitive and instant feedback mechanism which significantly elevates language learning experiences.