You can use your license key on up to five (5) devices that you own or control.
The free version limits you to 500 songs. For collectors with 50,000+ tracks, this is a wall. That is where the comes into play.
This is where the search for an begins.
Most manual editing tools are included in the free version, but the Pro license is essential for automated workflows: Free Version Pro Version Limited / "Free to try" Unlimited High-Quality Album Covers Manual Import Automatic Retrieval Batch Spreadsheet Editor Duplicate Song Removal Support for 16 Formats Device Limit Up to 5 Devices Managing Your License Key