Free Knockin' On Heaven's Door ringtone for your phone. Listen first, then download the version you like. Artist: Guns N' Roses. You can choose from 10 versions between 15 and 73 seconds. Tags: upbeat, hard rock and rock. Click a tag below to see more ringtones like this. Android users need the .MP3 file, iPhone users need the .M4R file. Both are free. All ringtones by Guns N' Roses are collected on the artist page.