Snapseed - Snapseed is a photo enhancement and sharing app with a powerful suite of imaging filters and tools...
Hotjar - The #1 Leader in Heatmaps, Recordings, Surveys & More. Sign up for a 15-day free trial and start learning from real user behavior today!
FullContact Card Reader - Automagically scan biz cards into LinkedIn/Gmail contacts
Crazy Egg - Through Crazy Egg's heat map and scroll map reports you can get an understanding of how your visitors engage with your website so you can boost your conversion rates.
Paper Camera - Paper Camera is the BEST Sketch/Cartoon app in the App Store.
VWO - Use VWO to tweak, optimize & personalize your website with minimal IT help.