Sounddemo: Attention: DrAmp works only with external USB-audio-device. Internal android audio devices can not be used. At the moment the following USB-audio-devices will be supported. Only these interfaces will work with DrAmp: Behringer Guitar Link. Behringer UCA 222. Your smartphone / tablet must be compatible with USB-soundcards.
Get the .apk setup package of DrAmpFree 1.56 that is free and take a look at users' reviews on Droid Informer. The file size is 4 MB and the app is designed for Android 4.1 and higher. According to the antivirus report, this application is safe and secure. Lille Technologie is the creator of the tool that can be found in the Music & Audio category.
The most recent release was on Feb 5, 2015 and DrAmpFree was downloaded and set up by over 100K users. According to the latest data, the app is rated 2.9 on Google Play.