When you come to think about it, mobile apps have truly changed the way we live. There are literally apps for everything today, and the market keeps growing. The leading mobile app stores have more than 7 million apps available for downloading and use. A study performed by App Annie for the first quarter of 2017 has found that on a global level the average person uses between 8 to 12 mobile apps per day on their smartphones. This is how immense the effect of mobile apps on our lives is.