Cisco
Yes, both AppDemoStore and NinjaMock offer a Free Trial.
AppDemoStore is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
NinjaMock is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
Pricing for AppDemoStore Starts at $20/Month whereas for NinjaMock Starts at $7.69/Month when Billed Yearly.
Some top alternatives to AppDemoStore includes Miro, NinjaMock, Balsamiq, Axure RP, Wireframe.cc, Inspireframe, Stage, Mockup Clips, Device Frames, Zen Wireframe and Mockframe by 500apps.
Some top alternatives to NinjaMock includes Miro, HotGloo, Pidoco, Balsamiq, Wireframe.cc, Wirify, Claritee, Stage, Mockup Clips and Zen Wireframe.