BookingChat is an online booking app for small appointment-based businesses in Brazil, such as nail designers, hair and beauty salons, barbershops, car washes, pet groomers, nutritionists and personal trainers. The owner sets up services, prices and opening hours in the iPhone or Android app and gets a booking page link to share in the Instagram bio or on WhatsApp. Clients pick the service, the professional and an open time slot on that page, with no app to download and no account to create. Each booking is confirmed on the client's WhatsApp, and before the appointment the client is asked to confirm or cancel with one tap, which reduces no-shows. It also supports multiple professionals with their own schedules, service add-ons, a waitlist for full days, promotional prices for set periods, and questions for the client at booking. 30-day free trial, then monthly plans sized by the number of WhatsApp messages.