Yes, both HotGloo and Mockplus offer a Free Trial.
HotGloo is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
Mockplus is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
Pricing for HotGloo Starts at $12/Month when Billed Yearly whereas for Mockplus Starts at $5.95/User/Month when Billed Yearly.
Some top alternatives to HotGloo includes Miro, NinjaMock, Balsamiq, Moqups, Axure RP, Wireframe.cc, Claritee, Stage, Zen Wireframe and Mockframe by 500apps.
Some top alternatives to Mockplus includes Miro, Adobe XD, NinjaMock, Balsamiq, Axure RP, Wireframe.cc, Claritee, Stage, Previewed and Zen Wireframe.