Searching for "cracked" keys or "keygen" tools for Loopback is highly discouraged for several reasons:
If the $99 price is too steep, there are official ways to lower the cost: How To Capture Audio On A Mac with Loopback Loopback License Key Free
After 20 minutes of active use, the audio quality will begin to degrade. Searching for "cracked" keys or "keygen" tools for
Many sites offering "free keys" are fronts for malware, spyware, or ransomware that can compromise your Mac. This allows you to test complex audio routings
Rogue Amoeba provides a "free and fair" trial that includes every feature of the full software. This allows you to test complex audio routings for podcasts or streaming before committing to a purchase.
You can reset the trial by turning the virtual audio device off and back on, but the degradation will trigger again after another 20 minutes.
Loopback is developed by a small team. Purchasing a legitimate key directly from the Rogue Amoeba Store supports ongoing development and gives you access to tech support. Legitimate Ways to Save on Loopback