If you are looking for a free event booking app design concept, here is an inspiring book app design called Ticketapp made available by Check JCD .
Ticket app event booking app concept come with more than 12 ready-made screens to inspire you to get on as quickly as possible to come up with your own design.
It will interest you to know that this design resource is made available for free courtesy of the original designer named above. However, be informed that you can only use Ticketapp on Sketch and Figma.
We hope you find it very useful.