PAI SD kelas 4 is a free Android application developed by Media Sekolah APPs, categorized under Education & Reference. It is a digital school book for Islamic Education and Character Building, a compulsory subject in the elementary school curriculum. The app provides learning materials and questions for daily assessments, midterm assessments, and end-of-semester/year assessments. The questions are based on the grid according to the material in the digital school book, which includes student books and teacher books.

The app is designed to help students prepare for their exams and improve their knowledge of Islamic education and character building. It is also suitable for online learning and e-learning, both in schools and at home. The latest version of the digital school book was released in 2020 by the Ministry of Education and Culture, which includes the latest learning materials for the subject. Overall, PAI SD kelas 4 is a useful app for students who want to improve their knowledge of Islamic education and character building.