No specific info about version 1.1. Please visit the main page of Duplicate Annihilator – Aperture Edition on Mac Informer.
This program helps you find and remove duplicated files from your Mac.
Detects duplicate photographs using various scan algorithms.
Identify and remove duplicate image files on your Mac.
ImageIQ For Aperture is the similar image searching tool.
dupeGuru Music Edition is designed to detect duplicate audio files.