PDF Nomad: Versatile, easy PDF editing.
PDF Nomad can be purchased for $34.99 (€27.99).
Minimum system requirements: Mac OS X 10.7 (Lion).
PDFClerk Pro: Powerful PDF Editing
PDFClerk Pro can be purchased for $49.99 (around €38)
Minimum system requirements: Mac OS X 10.5 (Leopard).
Metron: A Professional Metronome
Metron is available on the iOS App Store for $2.99.
Minimum system requirements: iOS 4.0.
CommandPDF: Automated PDF Imposition Workflows
CommandPDF can be purchased for $199.95.
Minimum system requirements: Mac OS X 10.6 (Snow Leopard).
