Works (No Stalling)

I am using v1.8.1 on an iMac (late 2013) and contrary to other reports, there was no stalling or unresponsiveness. For a free app, it found hundreds of duplicates (thanks it seems mainly to WhatsApp colliding with iCloud stream). So far so good. Thanks for the app.

Braxton587 about Duplicate Cleaner For iPhoto, v1.8.1