If you are still using or troubleshooting this legacy software, ensure your hardware and OS are compatible, as modern macOS updates will render 32-bit versions, including Smaart 6.1.0, unusable.
Limitations & Cons
The file is the disk image installer specifically for Mac users. Key Features of Smaart 6.1.0 Smaart 6.1.0 OS X.dmg