When comparing Narrate vs Greenify, the Slant community recommends Greenify for most people. In the question“What are the best Material Design apps?” Greenify is ranked 49th while Narrate is ranked 86th. The most important reason people chose Greenify is:
Greenify even offers battery savings to non ROOT devices, though it may be limited compared to what can be done with ROOT and Xposed.
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Pros
Pro Stores files as plain text
Narrate stores it's entries as plain text that you can save anywhere. This is a great way to be sure that you can be able to access these files even after a long time.
Pro Compatible with plain text file format of jrnl Linux
Pro Even works without ROOT
Greenify even offers battery savings to non ROOT devices, though it may be limited compared to what can be done with ROOT and Xposed.
Pro Hibernates, instead of freezing apps
Greenify's mane function is to hibernate any installed apps. This allows users to to quell overly active apps that are draining their battery without having to delete them. This can be done with or without ROOT.
Cons
Con Not supported
Dev abandon app.
Con Greenifying without ROOT has to be done manually each time
When using Greenify without ROOT access to hibernate apps, it has to be done manually each time. There is a widget and shortcut that users can set to their home screen to make this action a bit easier though.