1. AC Question's Avatar
    I have low storage. I've noticed that i have multiple apps that i believe do relatively the same thing like, Knox, CM Security, Clean Master and now SD Maid.. My question is do i need all of these and witch one is the best?
    09-03-2015 09:22 AM
  2. B. Diddy's Avatar
    Welcome to Android Central! Which phone? You can't delete Knox, since it's a preinstalled Samsung app. Clean Master and CM Security should be removed, if you're able to (i.e., if they weren't also preinstalled). Clean Master is not necessary for Android, and may contribute to battery drain and/or reduced performance, if it's constantly trying to close apps to "boost RAM" (which is counter to how Android works). I am generally wary of anything from Cheetah Mobile (who makes Clean Master and CM Security), since their apps have been known to carry adware as well. I think SD Maid is ok, but I haven't used it recently.

    See this guide for other tips on maximizing your internal storage: http://forums.androidcentral.com/amb...-warnings.html
    09-03-2015 01:06 PM
  3. atominvention's Avatar
    you should not need clean master, your device can manage the ram usage pretty good, and I think clean master app is requiring too many permissions, I won't use it anyway.
    09-27-2015 07:30 AM

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