Download of PhotoBrain 4.6 for Mac was available from the developer's website when we last checked. We cannot confirm if there is a free download of this app available. PhotoBrain.dmg is the common file name to indicate the PhotoBrain installer.
The bundle identifier for PhotoBrain for Mac is com.kandalusoftware.PhotoBrain. Please check the Mac app with an antivirus before launch as it is downloaded from the developer's website, and we cannot ensure that it is safe. The software lies within Design & Photo Tools, more precisely 3D Modeling. The most popular versions among PhotoBrain for Mac users are 4.6 and 4.3. The actual developer of this software for Mac is Kandalu Software Ltd.
From the developer:
PhotoBrain is advanced software for image identification and photo matching (search image)! PhotoBrain is the first image search engine on the local drive to use image identification technology (M-K) rather than keywords, metadata or watermarks...
Give it an image and it will tell you where the image appears on the local Hard Drive and Web.
Image search engine on the local Hard Drive to use image identification face to face via M-K
You may want to check out more software for Mac, such as Cheetah3D, Autograph or Artlantis Studio, which might be related to PhotoBrain.