Starting with 3C All-in-One Toolbox Pro v2.0 and 3C Battery Manager Pro v4.0, the pro APK is an unlock key to the main app version (3C All-in-One Toolbox or 3C Battery Manager).
Unlocking issues, please read here.
Since beginning of 2020, Pro APK are only unlock keys to the main apps. On Android 10 and below you can hide unlock key icon to only have app’s main icon in your app drawer.
Since 2024, Pro APK do not have app icon, but you can open their UI from Play Store’s app page.
To benefit from the full potential of these apps you need to install the main app and its unlock key.
All apps links are provided above.
