Yes, both UI Bakery and UX-App offer a Free Trial.
UI Bakery is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
UX-App is designed for Individuals, Medium Business and Small Business.
The starting price of UX-App begins at $9/User/Month, while pricing details for UI Bakery are unavailable.
Some top alternatives to UI Bakery includes LiveCode, Planet Crust, Appup by 500apps, Simplifier, DOCOVA, Netcall Liberty Create, Flowfactory, DrapCode, SDMT LCAP/LCNC Platform and Noodl.
Some top alternatives to UX-App includes Figma, FigJam, UXPin, Justinmind, UXCam, UserX, UX Metrics, MockupTiger, Fluid UI, Mockplus, Uizard and Proto.io.