UX-App offers Free Trial, but UI Sources does not.
UI Sources is designed for Large Enterprises, Medium Business and Small Business.
UX-App is designed for Individuals, Medium Business and Small Business.
Pricing for UI Sources Starts at $8.25/Month whereas for UX-App Starts at $9/User/Month.
Some top alternatives to UI Sources includes UX-App, UserX, MagicPattern, Native, Experience Layer, SaaSFrame, Shots, Qualified, Workvivo, Driftly, Unflow and IFTTT.
Some top alternatives to UX-App includes Figma, FigJam, UXPin, Justinmind, UXCam, UserX, UX Metrics, MockupTiger, Fluid UI, Mockplus, Uizard and Proto.io.