The TNPSC Group 4 Preparation App by Therithal Info is an Android app that offers a comprehensive study material and online tests to help you prepare for the Tamil Nadu Public Service Commission exams. The app is free to download and use.

The app is designed to cater to the different needs of the aspirants and to make their exam preparation easier. It provides aptitudes that are segregated based on subjects, question papers, and topics. Each aptitude comes with answers, solutions, explanations, discussions, and evaluation marks.

The TNPSC Group 4 Preparation App also offers online tests for all categories, including General Studies, Civil Services Aptitude Test (CSAT), and Interview and Personality Test. With this app, you can track your progress, identify your strengths and weaknesses, and improve your performance in the exams.

Overall, the TNPSC Group 4 Preparation App is a valuable resource for those preparing for the TNPSC exams and looking for an effective way to study and practice.