Download of Disk Speed Monitor 1.1.5 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. 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 actual developer of this free software for Mac is Sascha Simon.
From the developer:
Disk Speed Monitor helps you keep track of your drives activity. The application displays the read and write speed of your disks in the menu bar. The app supports all types of drives. HDD, SSD, SD cards and USB sticks are supported and can be displayed in the menu bar. You can choose from a variety of different views. The view can be selected separately for each drive.
You may want to check out more software for Mac, such as Blackmagic Disk Speed Test, Free Disk Space Monitor or Disk LED Pro, which might be related to Disk Speed Monitor.
HDD Management
Network Tools