RRB Exam Prep Bangla is a free Android application developed by Sana Edutech. The app is designed to help students prepare for RRB Railways Non-Technical exams in Bengali (বাংলা). It offers more than 2000 questions and answers (QA) on topics such as general awareness, mathematics, reasoning, general intelligence, and English language ability, all in accordance with the exam syllabus. The app also provides model question papers, syllabus and notification details for RRB exams.

The app offers a fast user interface with no lag or delays, and provides both practice and timed quiz modes. Additionally, the app includes a zoom option for text and questions, a speech read-out feature, detailed reports of total QA answered, marks, and mistakes stored, and the ability to share QA with friends via social share applications. The app also includes a pie chart fashioned quiz result feature, a background theme changing facility, a favorite QA feature for marking and reviewing later, and explanatory notes for answers.

Overall, RRB Exam Prep Bangla is a beneficial app for students preparing for RRB exams in Bengali, with its extensive question bank, user-friendly interface, and helpful features.