Mantra Sangrah is a free app by VARNI GROUP that provides a comprehensive collection of mantras and slokas for all religious people. The app features mantras in Hindi and Sanskrit languages, along with their audio files and lyrics highlighted with audio. With the app, you can listen to mantras anytime and anywhere, even offline.

The app is designed to help users concentrate during meditation and gain peace of mind. It includes all gods' mantras and is suitable for people of all ages. The app supports both phones and tablets, enabling users to access the mantras on their preferred device.

However, it is important to note that the app contains banner and interstitial ads, which may interrupt the user experience. Overall, Mantra Sangrah is a useful app for those who seek spiritual guidance and want to incorporate meditation into their daily routine.