2025-08-15 00:00:00 Opti – Mobility is inspiring Opti app allows booking a taxi just in a few clicks. To start using the service, you just need to enter your phone number and the authentication code sent to you in SMS. We strive to provide the most efficient and comfortable taxi service in Ukraine. Do you promptly need to book a taxi in Kyiv to get from Kontraktova Square to Khreshchatyk? Now you have Opti in your smartphone! You are in Rishelievska street and need to get to Lanzheron in Odesa as soon as possible? Book a taxi through our app. If you need a high-quality taxi service in Kharkiv and many other cities of Ukraine, you can always use Opti.