Is SD Maid 1 Pro free?

Yes, but to be able to use all the features on SD Maid 1 Pro, you need to pay a fee to be able to unlock the modes and tools from this app. SD Maid 1 Pro supports a lifetime package with a price of ‎$3,85. If you don't want to upgrade your account, you can still use SD Maid in the regular version.

Does SD Maid 1 Pro keep customer privacy safe?

You can have peace of mind because SD Maid 1 Pro assures you that your information on the app will be completely secure, From there you will easily use and experience the application without having to worry about the details information and personal memory on the mobile phone device.