Neither Shots nor Zen Wireframe offers a free trial.
Shots is designed for Individuals, Medium Business and Small Business.
Zen Wireframe is designed for Large Enterprises, Medium Business and Small Business.
Pricing for Shots Starts at $8.25/Month when Billed Yearly whereas for Zen Wireframe Starts at $9/User/Month.
Some top alternatives to Shots includes Miro, HotGloo, NinjaMock, Wireframe.cc, Wirify, Mockplus, Claritee, Stage, Device Frames, Zen Wireframe and Snippet Shot.
Some top alternatives to Zen Wireframe includes Miro, NinjaMock, Balsamiq, Axure RP, Wireframe.cc, Wirify, Inspireframe, Claritee, Stage and Lightning Builder.