Ariana is a personal AI assistant that resides within WhatsApp, powered by ChatGPT 4. It's designed to streamline day-to-day tasks, providing prompt answers to various questions users may ask. By offering a text-based interface in a familiar platform like WhatsApp, Ariana is made easily accessible to users, who can interact with the assistant as they would with any other chat contact. Ariana can be utilized for a broad range of tasks covering all bases from answering work-related queries, to aiding in homework, and even generating ideas. Its use extends beyond individual needs, with useful applications in several fields such as education, parenting, work, freelancing, and even creative projects. Being primarily a tool for assistance, Ariana places a high priority on ensuring that the user's data and information exchanged during interactions remain private. There are both free and paid plans available, all catering to varying degrees of usage. Addition of Ariana to WhatsApp requires no download or API keys, making it a user-friendly tool. To assure continuous service improvement, the paid subscription contributes to ongoing maintenance and enhancement of Ariana. Despite being developed in Central London, Ariana offers global availability, making it a versatile, accessible, and convenient tool for users worldwide.