The application of Surat Al-Zalzalah, repeated 70 times, audio is your right choice. It contains a group of audio clips with the voice of all more than one reader with high quality that you can listen to from your Android phone easily
It contains Surat Al-Zalzalah repeated in the Holy Quran

I hope that the application of Surat Al-Zalzalah repeated 70 times has won your admiration