le app che fanno clean di ram non servono a nulla, android non e' un pc, se ha ram libera apre lui app usate di frequente e le tiene in background, le chiude quando serve ram,
quelle app sono l'ultima spiaggia per chi ha smart vecchissimi e/o di merda che se non forzi a pulire tutto l'app te la aprono in 2 gg o non te la apre e va in FC.
ma di fatto su android non servono a nulla.
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On Windows, you want to keep as much RAM available as you can so that programs have enough room to operate. When RAM fills up, Windows is forced to start using hard drive space as virtual RAM and hard drives are much slower than physical RAM.
This is not true for Android.
Android's operating system has its own native handler for assigning RAM to apps and making sure that all of it is being used in the most optimal way. In fact, Android purposely tries to keep apps loaded into RAM for better performance. RAM is fast, remember? On mobile devices, every bit of speed is critical for a good user experience, so keeping apps in RAM is actually a good thing.
Not only does Android handle RAM assignment, but it also keeps track of background apps so they don’t use up unnecessary processor resources. There’s no noticeable performance hit for leaving apps loaded in RAM.
At this point, it might seem like RAM boosters and task killers are neutral. They might not necessarily help with Android performance, but they aren't bad to have around, right? Maybe they provide some marginal benefits? Unfortunately, no. They are detrimental.
Typical Windows wisdom says to kill RAM-hogging processes and defragment your hard drive for faster speeds. This is good in the context of Windows, but applying it to Android results in negative gain.
For one, Android uses an SD card for file storage rather than a traditional hard drive. SD cards are a type of flash memory similar to solid state drives and don't need to be defragmented. In fact, one of the downsides to flash memory is a limited number of times that data can be written to the card before it expires. By defragmenting an SD card, you can decrease its lifespan.
When you clear apps from RAM, Android is just going to load them into RAM again the next time it needs to access those apps (for notifications, updates, and other background details). This is actually slower for you since SD cards are slower than RAM.
And in the case of automatic task killers, you end up having to sacrifice some of your RAM and CPU to the task killer app itself, which is always running and monitoring for opportunities when tasks should be killed. This can be a big drain on battery life and you aren't getting anything useful in return!