Uber
Yes, both Whimsical and UX-App offer a Free Trial.
Whimsical is designed for Individuals, Freelancers, Medium Business and Small Business.
UX-App is designed for Individuals, Medium Business and Small Business.
Pricing for Whimsical Starts at $10/User/Month when Billed Yearly whereas for UX-App Starts at $9/User/Month.
Some top alternatives to Whimsical includes Miro, NinjaMock, Axure RP, Wireframe.cc, Claritee, Stage, SmartDraw, Zen Wireframe, Collabtools and Witeboard.
Some top alternatives to UX-App includes Figma, FigJam, UXPin, Justinmind, UXCam, UserX, UX Metrics, MockupTiger, Fluid UI, Mockplus, Uizard and Proto.io.
