How to find out which Android apps are using the most memory


Did you know there’s a way to check and see how much memory each app is using on your Android device? Jack Wallen shows you how.

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Android has become very good at managing memory. It’s a rare instance I find that an app goes rogue and gobbles up so much memory that a device starts to function improperly. That doesn’t mean, however, it never happens. I’ve experienced it a few times in the past. The biggest indicator was a phone getting hot and the UI being irresponsive. When that happens, the only recourse was to restart the device. Usually, that’ll resolve the problem. However, you might have an app installed that includes memory issues. 

But how do you figure out which app it is?

Let me show you.

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What you’ll need

The only thing you’ll need to make this work is an Android device. That’s it. Let’s look into those apps.

How to enable Developer options

To find out which apps are using your memory, you must first enable the Developer options. To do that, open the Settings app and then tap About Phone. Scroll to the bottom of that window and then tap Build number 7 times. After the seventh tap, you’ll be informed that the Developer options has been enabled.

With Developer options enabled, you’re ready to check how your apps are using your memory.

How to check what apps are using memory

Go back to Settings and tap System. Near the bottom of this screen, you should see Developer options (Figure A).

Figure A

mema.jpg

Developer options is now available on your Android device.

Tap Developer options and then tap Memory. In the resulting screen (Figure B), you’ll see a list of the average memory used by the device in the past three hours (you can adjust the time frame, by tapping the time drop-down at the top).

Figure B

memb.jpg

The Memory usage window in Android 12.

At the bottom of that window, you’ll see Memory used by apps. Tap that entry to reveal a listing of every app, including Android OS (Figure C).

Figure C

memc.jpg

The listing of every installed app and how much memory they’ve used.

If you tap an entry, you can see the frequency of use, the maximum amount of memory it’s used, how much Z-Ram it’s used, and (in cases like Google), you’ll see other listings, such as Search, Interactor, Privileged_process() and Train (Figure D).

Figure D

memd.jpg

The entry for Google in the Memory usage page.

What can you do with this information?

The truth is, you can’t actually take action from within the Memory usage page. This is just where you can track down those apps that might be over-using memory. Should you find there’s an app causing memory issues (especially one that frequently has this problem), your best course of action is to uninstall the app in question. 

With that information in hand, you might also contact the developer of the app so they might resolve the issue. If this is an app you really want on your device, you’d be doing yourself and the developer a favor.

And that’s all there is to tracking down which apps are using (or abusing) memory on your Android device. Even if you don’t need this handy feature immediately, at some point you might and you’ll be glad you know how to enable and use it.

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