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Yes and "system activity monitor" is what your looking for.

Unlike many out there, this one WILL actively close any apps and free up memory on launch.
 
I'm just curios, how do you know they don't work ?

Because Apple has documented its memory management in detail.

I guess the correct thing to actually say is, yes, most of these apps do what they say they'll do. But, what they do is pretty useless. The apps at best are redundant with, and at worst conflict with the OS built-in resource management. If you're really having a RAM issue (which is rare), force quitting apps will do the same job just as well, and doesn't require that you buy an app.

Another way of thinking about it: If the apps did anything beneficial beyond what the OS already does for itself, Apple probably would've bought the company, incorporated what the app does into iOS, and then touted it as some huge innovation at the next keynote.

If you really want to waste $1.99 on "System Activity Monitor," go right ahead. It won't harm your phone. But it won't help either. Except that it's a placebo for people unaware, and who think it's 1997 and they need to spend money on software that wastes system resources, only to scare the uninformed into thinking about how scarce their wasted system resources are.
 
Yes and "system activity monitor" is what your looking for.

Unlike many out there, this one WILL actively close any apps and free up memory on launch.
That is an interesting claim, given that the iOS sandboxing model doesn't allow one app to "close" others (of course assuming that we are not talking about jailbreaking). Could you explain this in more detail? The only thing I can think of that it could do is to claim a lot of memory for itself, which could potentially cause iOS to close other apps to make room. Of course this would be completely useless.

Based on what I know about iOS, I think apps that claim to "clean memory" are most likely snake oil.
 
There is one I use but Apple took it down from the App Store, called Kruptos by Monkey Taps...

It does work. Apps get bloated as you use them and the Kruptos app cleans them; basically it's like deleting and re downloading the bloated app but it maintains all settings and saves. I recover space every time I use it so yea, it does work.

No idea why Apple is against it...
 
There is one I use but Apple took it down from the App Store, called Kruptos by Monkey Taps...

It does work. Apps get bloated as you use them and the Kruptos app cleans them; basically it's like deleting and re downloading the bloated app but it maintains all settings and saves. I recover space every time I use it so yea, it does work.

No idea why Apple is against it...
If it indeed does what it claims, probably because it uses prohibited hacks or private APIs. An approved app should not be able to access anything that belongs to another app, not to mention "clean" or delete it.
 
If it indeed does what it claims, probably because it uses prohibited hacks or private APIs. An approved app should not be able to access anything that belongs to another app, not to mention "clean" or delete it.

I took it as it just clearing out the caches... maybe thats why Apple pulled it? it went through a name change as well; used to be called iClean...

so you're saying it could be doing more harm than good to my phone?
 
There is one I use but Apple took it down from the App Store, called Kruptos by Monkey Taps...

It does work. Apps get bloated as you use them and the Kruptos app cleans them; basically it's like deleting and re downloading the bloated app but it maintains all settings and saves. I recover space every time I use it so yea, it does work.

No idea why Apple is against it...

BatteryDoctor has a "Junk" cleaner which cleans app caches. Run it once every couple of days. Facebook gets bloated really easily.
 
BatteryDoctor has a "Junk" cleaner which cleans app caches. Run it once every couple of days. Facebook gets bloated really easily.

The mobile site version of Facebook is more than capable these days. In fact, it's better than the regular app since you can actually use messages without having to install messenger.
 
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