There are two main types of mobile applications: native apps are solutions designed for specific operating systems (Android, iOS), cross platform apps or sometimes called hybrid apps are solutions that are able to be supported by all possible operating systems. The division of mobile apps can also refer to the industry to which it is to be assigned. At Railwaymen, we have had the opportunity to create solutions assigned to the construction, marketing automation, social, FoodTech, FinTech, entertainment, video, education, real estate, IoT, ecommerce industries.