Download of Spark EDM 1.7.2 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. Spark EDM for Mac is included in Audio & Video Tools. This Mac app is an intellectual property of Arturia. We recommend checking the downloaded files with any free antivirus.
From the developer:
Spark EDM is production suite for the Electronic Dance Music producers. It features comprehensive library of 30 kits / 480 instruments and 960 patterns, varying from big room floor filling stormers, to underground tech house gems. Spark EDM delivers the drums, stabs, one shots, and FX that will give your tracks the sound they need to produce dance floor hits.
You may want to check out more Mac applications, such as Spark Vintage Drum Machines, Spark ToDo or Spark, which might be similar to Spark EDM.