When we talk about building an on demand delivery app clone, we’re often talking about building an app like Uber or Airbnb. Two major decacorns (companies worth $10 billion or more), Uber and Airbnb are worth billions of dollars. To be more precise, Uber was valued at $72 billion and Airbnb at $29.3 billion as of August 2018. Uber is available in more than 65 countries and over 600 cities. Every day, nearly two million people rent accommodation through Airbnb. What’s so great about these two companies that makes so many people regularly use their applications and makes entrepreneurs want to copy them?