I'm interested to know how many of the apps I have installed are using GCM. Is there a way to find out?


In Settings -> Applications, in the permissions section, tap on Show All and under Network Communication there should be Receive data from internet if the application has requested push (GCM) permission.

Tested on 4.1.2, labels and positions may differ.

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    Wow, could they possibly have come up with a more mystified way to describe GCM / C2DM in the user interface?! I was honestly very skeptical of your answer, until I looked around, and indeed those apps that "receive data from the internet" don't have the "Receive data from internet" permission, but only those might that (might) implement GCM do! – cnst Jan 24 '14 at 18:06
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    @cnst: Well, there's a bit of logic in how it is worded, it kind of plays on the syntax : the app doesn't fetch, doesn't request the push, it receives the push! :P You must read it in reverse : "Internet sends data to my app". – Matthieu Harlé Jan 24 '14 at 18:23
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    @cnst: So, to be sure, I made an app (the basic Hello World when creating a project with Android Studio) and I only inserted <uses-permission android:name="com.google.android.c2dm.permission.RECEIVE" /> in the app's manifest : the only permission listed in the menu is Receive data from internet. – Matthieu Harlé Jan 24 '14 at 18:41

You could try Greenify. It's an app for hibernating apps so that they don't take up a lot of resources; thus, improving battery life.

However, it also lists apps in a way that lets you see which ones support GCM.

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    looks very promising. does it require a rooted device? – cnst Jan 24 '14 at 17:57
  • @cnst Documentation says it supports non-root, but not so sure for the hibernating features. Check it out. It's free anyway. – geffchang Jan 24 '14 at 23:56
  • Cool, greenify is free and so easy to see which one uses GCM. Hopefully it retrieves the data from system instead of from some database. :D – Phuah Yee Keat Oct 2 '15 at 5:03
  • Unfortunately, some apps (e.g. Facebook, Instagram, FB Messenger) request the GCM permission but still establish their own persistent background sockets and services. – lxgr Jan 23 '16 at 16:22

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