Checky - How many times a day do you check your phone?
Enhancer for YouTube - Tons of features to improve your user experience on YouTube™!
UnPlug - Track your iPhone usage & digital detox with Gamification
Iridium by ParticleCore - Iridium is an extension built to improve the user experience on the new YouTube Material layout.
Puzzlephone - Upcoming modular phone.
Magic Actions for YouTube - Magic Actions is an extension that changes the way you’ll watch videos on YouTube.