1Flow - The leading in-app survey platform for mobile apps and websites to collect in-the-moment user feedback. Measure NPS, CSAT, CES, and PMF scores and gather feature-specific user feedback to improve your product.

Instabug - The top apps in the world rely on Instabug for beta testing, user engagement and crash reporting.

Heeduser - Heeduser is the customer engagement platform that helps companies build better relationships with their customers and prospects, through the better online customer community

UserTest.io - User testing made simple. High-quality, affordable user testing solutions from real users, here in the UK. Improve your usability!

Kraftful Analytics - Kraftful is a product analytics platform for apps that control devices.

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!