We can state that a modified version of an official app is known as modded apk or mod apk. Android apps are usually packaged with the .apk extension, which is the name of the APK file. It is named as APK because it is a modded version of an official app. We all know that the use of mobile apps has grown in our life over the last few years. There are a lot of apps available for us to use. Android users who do not have enough money to purchase premium features may download and install mod apk on their devices if they want to use those premium features.