FGODamage

Ever sat there wondering whether or not you need to use your NP to finish off an enemy?
With this app most of the guesswork is over. You will now have the tools needed to make informed decisions in clutch situations. With the ability to change attack modifiers and enemy defense modifiers you will be able to recreate nearly any fight in the game.
In essence, this app is a simple damage calculator for Fate/Grand Order.