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'. There are more than 25 alternatives to Userbrain for a variety of platforms, including Online / Web-based, iPhone, Android, Mac and Windows. The best alternative is Teston. It's not free, so if you're looking for a free alternative, you could try Maze or Sesov. Other great apps like Userbrain are UserTesting.com (Paid), UXCam (Freemium), UsabilityTools (Paid) and UserBob (Paid).
Teston helps companies to create better digital products by providing a powerful yet easy-to-use service that connects them to local testers around the world. Teston stands out among the alternatives thanks to the following:
Sesov — a community for anonymous design feedback. Have you seen the comments on dribbble and behance? "Amazing job!" , "Nice work!" — I'm tired of this, so I created Sesov. Only substantial comments allowed.
Discount remote user testing service. The most affordable way to get unbiased feedback from users as they use your website. Ask users to perform certain tasks on your site while they record their screen and voice. Pick users from your site's demographics.