Arlo 2.4.2 for Mac was available to download from the developer's website when we last checked. We cannot confirm if there is a free download of this app available. The application belongs to Security Tools. This free Mac app is a product of NETGEAR, Inc. We recommend checking the downloaded files with any free antivirus.
From the developer:
Arlo is a smart home security application. Arlo cameras make it easy to keep tabs on all the important things in life. With the free Arlo mobile app, it’s easy to tune in wherever you are with just a tap of the finger and get notified whenever something moves or makes a sound.
You may want to check out more software for Mac, such as BandHelper, which might be related to Arlo.