The Bookly Custom Duration add-on is an extension designed to complement the Bookly PRO plugin, offering additional functionality for appointment scheduling.

Key Features:

1. Flexible Appointment Length: This add-on allows customers to select the duration of their appointment beyond the default service length. It provides them with the flexibility to choose how long they want to reserve the appointment, whether it's for a longer session or a shorter one.
2. Custom Service Length: Users can create services with variable durations, enabling customers to pick the duration of their booking during the initial booking step. This feature offers more personalized scheduling options.
3. Dynamic Pricing: The add-on adjusts the pricing of appointments based on the duration chosen by the customer. The cost is calculated according to the selected duration, ensuring accurate pricing for different appointment lengths.

Overall, the Bookly Custom Duration add-on enhances the booking experience by allowing customers to tailor the duration of their appointments according to their specific needs, while ensuring that pricing reflects the chosen duration accurately.