While version 4.5.1 was part of the app's earlier lifecycle, current records show the software has progressed significantly to (as of January 2026).
: Operates on a freemium model. The Pro version is available via a $1.99/month (USD) subscription or a "Lifetime" one-time purchase option, often priced around $34.99. Version 4.5.1 and Major Milestones Dropzone 4 Pro 4.5.1
: Pro users can now add files to Drop Bar stacks and check grid status via the dz command line tool. While version 4