

Now perhaps for people in US and UK, with the majority of people using Android, iOS or Blackberry OSes the compatibility of an app is not an issue. ♦ The second most important reason is the variety of choice that WhatsApp has to offer when it comes to mobile platforms. ♦ Nokia with it's launch of the Asha models, on which WhatsApp comes integrated with, has a major role. The main reasons for WhatsApp's brief undisputed reign in the messenger market, perhaps, might be attributed to Nokia. Just as it's founder's proudly claim, it indeed " has done to SMS on mobile phones, what Skype did to international calling." However, over the last few years, perhaps, WhatsApp has gained quite a great amount of popularity.

Ever since WhatsApp was founded in 2009, it has had to strive against a lot of competitors in the messenger field.
