These are both total subsidies. You do however, pay rent and utilities monthly for your apartment. I receive a rent subsidy every 6 months of 1500 shekel. I received an Ulpan subsidy of 1100 shekel a month. The classes are offered at 3 levels, beginner, intermediate and advanced.
Classes are available at various locations throughout Israel.
To receive this benefit speak with a Jewish Agency representative after arriving in Israel. They will direct you to the nearest Ulpan, where you can register for the next term. However, note that there are other organizations that offer these classes as well. The Ministry of Absorption provides a number of benefits for new immigrants. Most expire after 3 years with a few lasting 5 years.