Kumpulan Doa Mustajab is an Android application developed by InshoMedia that contains a comprehensive collection of mustajab (effective) prayers. The app provides references from the Quran and Hadiths and is divided into 18 categories of prayers, including Doa Anak Soleh, Doa Mudah Rejeki, Doa Selama Masa Kehamilan, Doa Orang Sakit, Doa Para Nabi, Doa Untuk Pengantin, and more.

The app is user-friendly, with a simple and easy-to-use interface, and the prayers are available in both Arabic and Indonesian. It is a great resource for those who want to have a quick reference to mustajab prayers for various occasions. Whether you are looking for prayers for yourself, your family, or your friends, Kumpulan Doa Mustajab has got you covered. Overall, this is a must-have app for anyone who wants to deepen their faith and strengthen their connection with Allah.