SpyStudio Unregistered is free for non-commercial use. SpyStudio Registered supports 32-bits and 64-bits and unlimited 'Compare traces' feature.
You can se see our SpyStudio QuickStart Guide to learn how to start using SpyStudio.
For those who need a more specialized solution or a tailored version of SpyStudio we offer our development services.
Please feel free to Contact us directly.