Ocean Forest
Ocean Forest is FF's Creme of the crop. Its their highest quality and best selling soil. Its ph adjusted and usually around 6.3-6.8.
It has high quality earthworm castings, high quality bat guano, fish meal, shrimp meal, crab meal, & norweigan kelp meal. They also throw in sphagnum peat, perlite, composted forest humus & oyster shells. Its a very rich soil and has been known to burn a few plants, but this happens far less than ppl will lead you to believe.

Happy Frog
Happy Frogs 2.0 cu has a lower MSRP than a 1.5cu bag of Ocean Forest, and that's because Happy Frog is supposed to be a cheaper alternative to Ocean Forest for regular container plants.
So to start off, the nutrients aren't as strong in Happy Frog as they are in Ocean Forest.
Happy Frog contains sphagnum peat, oyster shells, composted forest humus, earthworm castings, and bat guano. Another major difference between Ocean Forest and Happy Frog is that happy frog contains mycorrhizae, and humic acids which as you know roots love. Its rare, but some bags of happy frog have sometimes had unstable ph's so now dolomite lime is also added to Happy Frog for stability.

You're plants will love either, and some ppl even mix them. Its really up to you bro..

take it easy