ChatOn is an all-in-one AI productivity app available on iOS, Android and the web that brings leading models including GPT, Claude, Gemini, Sonar and others into one workspace. The three-year Premium Plan includes access to multiple AI models, real-time web search, AI image and video generation, OCR, document analysis, AI keyboard integration and more than 100 ready-made prompts. The platform syncs across devices. With more than 100 million downloads, recognition at the Lovie Awards and strong ratings across both major app stores, it has become one of the most widely used AI productivity platforms.