App Store downloads fail vaguely (try decoding error code 1001 sometime). With a .dmg , you mount the volume and install. If there is an issue, it is usually a mount failure or permissions issue—far easier to debug than a generic store timeout.
Click or the Download cloud icon to install the application securely directly into your /Applications directory.
: Create "templates" for device configurations—including apps, profiles, and wallpapers—that can be applied to dozens of devices with one click.