Centrify Express for SaaS is yours to use for free, for as long as you wish, for up to three applications. For the first 30 days, you will have access to all product features. After 30 days, you can continue to use the service in Express mode, or you can request an upgrade to the full-featured Centrify for SaaS, which includes enterprise support. See the Feature Comparison chart for a complete list of features available in each version.