Gunship Battle is a popular mobile game that allows players to control a variety of military helicopters and engage in intense combat missions. A "mod apk" version of the game may refer to a version of the game that has been modified to include additional features or enhancements that are not available in the official version of the game.

It is important to note that downloading and using a mod apk version of the game may be considered illegal and may violate the terms of service of the game's developer. Additionally, downloading and using a mod apk version of the game may also put your device at risk of malware or other security threats.

It's also worth noting that modded versions of games may not function properly and can cause issues with the game, like crashes, bugs and can also lead to account ban.

It's always best to use the official version of the game, and if you want to enjoy extra features or enhancements, you can try to look for the in-game purchases or wait for the developer to release them officially.