What are some alternatives?
When comparing Checky and NoPhone, you can also consider the following products
UnPlug - Track your iPhone usage & digital detox with Gamification
YotaPhone - Electronics and iOS
Moment - Track how much you and your family use your phone.
Puzzlephone - Upcoming modular phone.
Siempo - Smartphone interface for mental health and wellbeing 😌
iPhone 7 - Apple's new iPhone 7 and 7+