All the listed applications are available for both iOS and Android devices
Mathway - Math problems can be very difficult, the Mathway app will help ease your pain. Just enter the task in the application and check whether your solution matches the proposed one.
EasyBib - When writing an essay, one of the most unpleasant types of work is creating a bibliography, a list of used sources. The EasyBib app does the extra work for you - just enter the name of the source and get a properly formatted citation.
SelfControl - If you are one of those students who is very easily distracted by social media, this app is for you. SelfControl blocks certain websites on your device for a certain period of time.
Simplemind - thanks to it you can create flowcharts, write down all ideas in one place and improve productivity.