Userbrain is described as 'Remote usability testing service with focus on continuous testing. You can order and watch videos of real people interacting with your website. You will hear what users think and see what they do' and is an app. There are more than 25 alternatives to Userbrain for a variety of platforms, including Web-based, Android, iPhone, Mac and SaaS apps. The best Userbrain alternative is Fiuto, which is free. Other great apps like Userbrain are UserTesting.com, Ween.ai, UsabilityHub and UserPeek.
Submit your website/app to Usability Testing Exchange (UTX), then some people will do Usability Testing of it, and send you thoughts and feedback. Instead of paying, you help someone else, in exchange.
