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!

Uninstall - Reduce you app uninstalls & increase your re-installs.

Userbrain - Easy, fast, and affordable user testing for websites and prototypes.

Brieferr - Actionable insights about your product with form you collect.

userinput.io - Get on-demand feedback for your app, website or idea. Learn how to improve by hearing real opinions.

UserLeap - AI-powered, continuous research for product teams