- More than 3,500 questions and more will be added in the future.
- Login to both E-mail, Google and Facebook is not difficult and secure.
- The exam has 4 options with immediate answers.
- There is a system to collect points, statistics
- There are 4 types of help systems.
- There is a ranking system to compete with others.
- There is an exam report system If there is a typo or wrong answer
- There is a bookmark system to memorize the exam for later
- There is a test review system After the exam
- There is a quiz competition system (Battle Quiz).