When comparing Photo Mechanic vs ACDSee, the Slant community recommends Photo Mechanic for most people. In the question“What are the best Lightroom alternatives?” Photo Mechanic is ranked 8th while ACDSee is ranked 9th.
Ranked in these QuestionsQuestion Ranking
Pros
Pro Very fast in opening huge images
Pro Variables enable dynamic import presets
In addition to usual organizational methods including folders, color labels, flags, ratings, keywords, GPS location Photo Mechanic allows using advanced presets that include variables that dynamically change import logic.
Pro Dark style theme
ACDSee has a nice dark style theme.
Pro Very fast image reader
ACDSee reads the images (jpgs) extremely fast. It displays them very fast, too.
Cons
Con Asset management only
Photo Mechanic is only an asset management program, there's no support for photo editing, etc.
Con No face recognition
ACDSee doesn't allow you to set face recognition to files. It also doesn't read already recognized faces. Metadata for faces aren't shown.