Pocket Gamer: It might not have the longevity of its legendary cast of characters, but as long as you don't mind punching things a lot, Justice League: Earth's Final Defense will keep you entertained for a while.
Quality Index takes a look at the best iPhone games that star DC heroes.
148apps: It's tempting to buy a game when it's a license as good as the Justice League. Don't be tempted.
AppSpy: Buried underneath the layers of poor progression and an insistent focus on repetitive grinding lies a game that beats with the action-packed heart of the Justice League, however being Earth's Final Defense may not be an option when you're given boring combat that you'll likely need to repeat over and over.