Yusuf Kalo Quran Audio Offline is a free Islamic app that offers a full offline murottal Quran, including Juz Amma. Developed by Quran Offline, this app is available on the Android platform.

One of the best features of this app is that it works completely offline without any need for an internet connection or streaming. You can easily play and pause the audio, and it will automatically play the next surah. Additionally, you can listen to the audio in the background and even when your phone is locked or you are using another application.

The app also offers a repeat surah feature and speed control, allowing you to customize your listening experience. You can also set a sleep timer to automatically stop the audio after a certain amount of time. Lastly, you can set the audio as your ringtone, notification sound, or alarm. All audios and images in this app are under the Public Domain license and/or Creative Commons' license.