The download button opens the iTunes App Store, where you
may continue the download process. You must have iTunes installed with an
active iTunes account in order to download and install the software. This
download may not be available in some countries.
The TOAD HMF Survey tool allows you to input the measurements for multiple hollow metal frame openings in a building (Hinge Heights, Strike Height, Opening Widths, etc.), record pictures of each opening, save them to your device, and send an email to yourself or a coworker with links to an xml file of the measurements, as well as the pictures you took, stored free of charge.