App Killer: Close Running Apps

4.0
16K reviews
5L+
Downloads
Content rating
Everyone
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About this app

App Killer Manager app help you close apps running in the background. Sometimes many apps run in the background in your phone, and they consume much phone memory and make your phone running slowly. You can use the Close All Running Apps tool to kill many apps running in the background.

Note:
This App does not collect any personal data.
This App requires the accessibility service permission in order to be able to close other apps.
Updated on
24 Sept 2025

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region and age. The developer provided this information and may update it over time.
No data shared with third parties
Learn more about how developers declare sharing
No data collected
Learn more about how developers declare collection
Data is encrypted in transit
Data can’t be deleted

Ratings and reviews

3.9
15.2K reviews
Tom Lambert
17 October 2025
I used to appreciate this app because it worked everytime for a couple of years. Just now it asked for permissions again wherein my phone notes at the setting "app not working correctly". After giving permission this app notes that 27 other apps open in background. After the usual advertisement that was OK with me since app was free and gave what I needed, I started as usual and it did nothing like before. I too I had to hit the back button all thru 27 apps info but it didn't close them. Ouch.
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Ron D
4 July 2025
This app, unlike many of the others like it I have tried lately, at least seems to do what it is supposed to do without me having to jump through a bunch of confusing hoops, etc. But the ads are quite intrusive. And sometimes, they are very stubborn, making it difficult for me to get back to the app. Otherwise, I would have given this app killer, 5 stars
13 people found this review helpful
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Paul M
26 February 2025
It used to be really good but it's now completely over ran with ads. You have to watch 5 videos now every time you want to close apps. It's just way too much now Response: Hi I ended up just buying the app so I didn't have to deal with the ads. It wasn't certain types of ads it was just the quantity, but after purchasing the app, ads are no longer an issue and works great.
11 people found this review helpful
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File Recovery, App Manager and Phone Cleaner
26 February 2025
Dear User, we are sorry for the inconvenience. We want to give you better user experience. Could you give us the screenshots of Ads that disturb you most?

What's new

- Close running apps
- Manage apps
- While list
- Fix Bugs