Anyone can sign up for a free 14 day trial without needing to put in any credit card information. We're just in the free trial mode, and I'm not sure if we'll actually subscribe, but both Isaac and myself are enjoying their program.
I love that they focus on letter sounds rather than letter names. Because it's the sound that each letter makes that a child will be using as they decode and read workds!
Any other suggestions for great preschool online learning games?