Jarak dari Merapi is an Android app that helps track the distance between the user and the peak of Mount Merapi. By using the GPS location on the device, the app provides an accurate measurement of how far the user is from the mountain. The app also offers updates on the latest activity from Merapi's BPPTKG Twitter account and CCTV monitoring.

The app's interface is straightforward and easy to navigate. Users can quickly access the distance measurement and the latest updates on Merapi's activity. The app's ability to provide real-time information on the volcano's activity makes it an essential tool for those living or traveling near Merapi. Overall, Jarak dari Merapi is an excellent app for anyone looking to stay informed and safe while near the mountain.