Reviews of App Killer: Close Running Apps

By: File Recovery, App Manager and Phone Cleaner App

List of user reviews and ratings for App Killer: Close Running Apps

Total ratings

4.38 (Rating count: 19,186)

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Review summary

Users praise App Killer for effectively closing background apps and speeding up devices, with some calling it the best or the only app that truly works. It’s described as easy to use and capable of quick gains, including an FPS boost. However, several reviews report inconsistent performance, including failures to close tasks or occasional freezes. Permissions prompts are frequent, and uninstall/permission management can be problematic for some users. Overall, there are strong positives but reliability concerns.

Pros

Closes background apps to improve phone speed and responsiveness
Easy to use and straightforward
Perceived to be among the best or the only app that reliably closes background apps
Promised performance benefits, including a potential FPS boost

Cons

Inconsistent performance: sometimes fails to close apps or stops working
Can cause the screen to freeze or apps to restart after closing
Frequent permission prompts and requests for permissions
Uninstall/permission management can be problematic for some users

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User Reviews

Recent rating average: 4.30

All time rating average: 4.38

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19% (62)

Date	Author	Comment
2026-08-12	Sh*****	works very good
works very good
2026-08-12	An*****	this app is so useful especially for old phones. this is an old phone of mine. before installing this app my phone was laggy as heck.but when I stopped the apps/killed the apps it is became soooooo smooth. so, in simple language,It is great and I love it.
this app is so useful especially for old phones. this is an old phone of mine. before installing this app my phone was laggy as heck.but when I stopped the apps/killed the apps it is became soooooo smooth. so, in simple language,It is great and I love it.
2026-08-11	Is*****	nice
nice
2026-08-11	Si*****	great app. easy to use.
great app. easy to use.
2026-08-11	Zi*****	very good
very good
2026-08-10	Be*****	smooth operation !
smooth operation !
2026-08-10	Br*****	it's alright
it's alright
2026-08-10	Pa*****	funciona bien, lenta para iniciar
funciona bien, lenta para iniciar
2026-08-09	Am*****	It does exactly what it says
It does exactly what it says
2026-08-09	Ja*****	Adware do not install
Adware do not install