This design presents a subscription plan choice interface, featuring a dark theme with a clean and minimalist aesthetic. The layout incorporates a clear distinction between monthly and annual billing options, with a toggle to select the preferred payment frequency. A highlighted section suggests savings upon selecting the annual payment option, enhancing the visibility of the cost-saving benefit. The bottom segment displays an add-on service with an additional cost, providing users with straightforward information on extra features and their impact on the overall monthly rate. An 'Upgrade to Plus' call-to-action button is prominently placed for users to proceed with their chosen plan.