I've tried both and found Recoverite is much better. First, it tastes good (they have citrus and strawberry flavors that are not powerfully strong). Second, I just seem to feel good after consuming Recoverite - about and hour or so later.
I am always reluctant to buy nutrition products because I don't like to waste money. But this year I've tried a few brands and types of products to see if there really is much a difference. I found the I can consume the Hammer Nutrition products before or after training and then feel good enough 2-3 hours later to go for a another run. I can't say that about regular food items.
Note; I don't sell nutrition products, but I do try them before recommending them.
I do like First Endurance products, in terms of results, but I am not as excited about the taste as I am Hammer's.