Sleep Cycle - Bio-alarm clock that wakes you up at optimal times based on your sleep patterns.

GetYourGuide - Get tickets to the most popular attractions while travelling

Sleep as Android - Common alarm clocks ignore your sleep cycles, they wake you on schedule no matter your are currently in your deep sleep. Waking up from deep sleep is unpleasant, it makes you tired and it may negatively affect your productivity during the whole day.

Klook - Discover & book amazing experiences at exclusive prices

Talalarmo - Minimalistic android alarm

Airbnb - Book unique places to stay and things to do.