Official apps update via the Google Play Store to fix bugs and security vulnerabilities. A Mod APK is static. You will be stuck on an old version of Android security, leaving your device open to exploits.
An APK (Android Package Kit) is the file format for Android apps. A "Mod" (Modified) APK is a version of the app that has been altered by a third party to bypass the original developer's restrictions. When you search for , you are usually looking for a version that offers: simple invoice manager mod apk