Everyday - Take a photo of yourself everyday.
Instabug - The top apps in the world rely on Instabug for beta testing, user engagement and crash reporting.
Habit - Habit is a habit tracker application that allows users to keep track of the habits all day long and throughout the year.
UserTest.io - User testing made simple. High-quality, affordable user testing solutions from real users, here in the UK. Improve your usability!
Habitify - The easiest way to keep track of your habits
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!