Skuuudle - Discover, match and monitor your eCommerce competitors.
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!
Price2Spy - Price2Spy is a price monitoring, pricing analytics, and repricing tool, meant to help eCommerce professionals keep an eye on their competitors or retailers.
Userbrain - Easy, fast, and affordable user testing for websites and prototypes.
Prisync - Prisync is a competitor price tracking and monitoring software for all sizes of e-commerce companies worldwide.
userinput.io - Get on-demand feedback for your app, website or idea. Learn how to improve by hearing real opinions.