I've also used both Aviate and now Everything, they are both very different but oddly enough two of my favorite Launchers. Everything feels more like an "Enhanced stock experience" whereas Aviate is a more custom and minimalistic homescreen... Aviate is very limited by widgets and folders, but I love the way it organizes and has different screens for different times of the day. They both have their perks, but I almost always go back to Nova Launcher because I love having 4x1 widgets in the dock bar.
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