Ship building turns out to matter more than simply chasing the biggest damage number. Swap a few modules and the same hull can behave rather differently, which gives the upgrade system something to chew on. The full version is unlocked with no ads, so tinkering with builds is not constantly interrupted by pop-ups.
Regular battles are a good place to earn materials and test ideas, while PvP has a habit of exposing every weak spot in a loadout. Alliance wars add another wrinkle because a strong ship still needs a sensible fleet around it. Players who enjoy fiddling with builds and squeezing more out of their hardware should find plenty to pick apart.