Yup, have to buy it or iLife.
Also, you cannot take an iPhoto library from Snow Leopard or Lion and move it too a Mac running an earlier OS. The data is different for each OS.
"I am a mortal enemy to arbitrary government and unlimited power. I am naturally very jealous for the rights and liberties of my country, and the least encroachment of those invaluable privileges is apt to make my blood boil."
2013 MacPro, Areca 5026 Thunderbolt RAID, pair of 23 inch Cinema and a LogiTech Anywhere MX laser moose