HoudahSpot 4.0 is a paid upgrade from previous versions.
The single user upgrade license is priced at $17. The family upgrade license is priced at $26.
The trial version will load your current license file and offer you the option to purchase an upgrade.
Licenses purchased on or after November 1, 2014 apply to both HoudahSpot 3 and 4.
Prices listed on this page do not include sales tax or value added tax. This will be added as applicable.