Ssc aada is one of the most useful sites for preparing for ssc competition exams.
Merits of the app are-
A large number of study material including videos, current affairs and live sessions including all major subjects like mathematics science and gs.
Good user interface and interactive learning approach including various types of learning methods.
Daily and weekly quizzes are available on all subjects and also give you daily gs capsules for free.
4.Also have few paid tests for those who wants to practice more.