Download of iMyMac 3.4.3 for Mac was on the developer's website when we last checked. We cannot confirm if there is a free download of this app available. According to the results of the Google Safe Browsing check, the developer's site is safe. Despite this, we recommend checking the downloaded files with any free antivirus software. This free Mac app is a product of FoneDog.
From the developer:
The free all-in-one Mac app to optimize your Mac through monitoring the usage, scanning out junk file and cleaning it up. Free: You don't need to spend money using it to speed up your Mac. Quickly: Speedy not only to scan out the files but also to clean them up. Powerful: All things in your Mac can be checked, including the battery state, CPU usage, memory usage, etc.