Testkolik is a free educational portal developed by Testkolik, available on the Android platform. It offers a platform for both teachers and students to come together and conduct live lessons, complete homework, take tests and earn points. The program aims to provide equal opportunities to all students and is completely free of charge.

The interface is user-friendly, and the program is easy to navigate. It provides a wide range of features, including a vast collection of tests, interactive lessons, and homework assignments. The program also allows students to track their progress and provides detailed reports to help them identify their strengths and weaknesses.

Overall, Testkolik is an excellent platform for those seeking an easy-to-use, comprehensive educational tool. It is ideal for students and teachers alike, and the free-of-charge feature makes it accessible to everyone.