Best free Event booking Shopify apps in 2026 [Updated]

The Best Free Shopify event booking apps help merchants manage appointments, classes, rentals, and services directly through their online stores. From simple calendar widgets to comprehensive booking systems, these apps enable scheduling for in-person events, virtual sessions, store pickups, and delivery slots. Whether you're offering workshops, rental items, or professional services, these free solutions let customers easily book and pay through your existing checkout flow while giving you the tools to coordinate schedules, collect RSVPs, and handle reservations efficiently.