What are some alternatives?
When comparing UserTest.io and Userfeel.com, you can also consider the following products
Usability Testing Exchange - Free usability testing of, and feedback about, your website/app.
UserTesting.com - Usability testing has never been easier. Get videos of real people speaking their thoughts as they use websites, mobile apps, prototypes and more!
Userbrain - You want to improve the usability of your website? See how real people use your website for the first time, find out what works, and what needs to be improved.
userinput.io - Get on-demand feedback for your app, website or idea. Learn how to improve by hearing real opinions.
UserBob - Provides affordable remote user testing.
UsabilityTools - Where UX meets Conversion. Unlock the Potential Behind Remote Research and Testing