TNW
Neither Octopus.do nor Mockframe by 500apps offers a free trial.
Octopus.do is designed for Individuals, Freelancers, Medium Business and Small Business.
Mockframe by 500apps is designed for Large Enterprises, Medium Business and Small Business.
Pricing for Octopus.do Starts at $7/Month when Billed Yearly whereas for Mockframe by 500apps Starts at $9.99/Month when Billed Yearly.
Some top alternatives to Octopus.do includes Miro, NinjaMock, Balsamiq, Axure RP, Wireframe.cc, Wirify, Claritee, Stage, VisualSitemaps, Zen Wireframe and Lightning Builder.
Some top alternatives to Mockframe by 500apps includes Miro, Pidoco, NinjaMock, Balsamiq, Moqups, Axure RP, Wireframe.cc, Inspireframe, Claritee and Zen Wireframe.