The main purpose of this diploma dissertation is to compare connections of mobile application with different cloud service providers. At the beginning there are represented six providers of cloud platforms. For each of them we could read what is included within free licence and which sources could be used in payable licence. To make a comparison easier there are also two tables. What is common to all providers is that their service could be connected to the application that is made for Android operating system. Our mobile application is making notes and showing different events that come through text messages. Because of the great amount of data, all data is archived in cloud’s data structures. Application enables archiving in Google’s and ...