Because unless an app has crashed, there is no point.Hi everyone,
If you not kill the app from multi-tasking, I would like to know why.
Nope, only time i ever do it is if the app has crashed or doesnt seem to be working properly.
Never routinely, it's a massive waste of time. The only time I kill apps is where they're clearly malfunctioning in some way - ie frozen.
I've had iPhones since 2008 and IOS multitasking since it first came out (IOS 4 on the 3GS, for me) - a collection of about 300 apps, many of which are constantly filling up my recent apps list - and I've never had a problem with performance or battery life.
Just use it like Apple designed it and don't trick yourself into thinking it works like multitasking on other devices - it doesn't.
Because unless an app has crashed, there is no point.
It's a placebo effect, mainly, because we have been brought up with PC's that get bogged down by having too many apps open.
iOS releases memory when the current app requests it in two ways.
1) A well coded app will release as much memory as is possible can, while staying in a 'frozen' state, and if iOS still doesn't have enough memory to run the current app well, it will completely kill the background app in question.
2) Apps that aren't coded well, receive the same request to free as much memory as possible, and when iOS doesn't receive any, the app is killed.
The only time when closing an app that hasn't crashed may have an effect on battery is location based apps. However, unlike the olden days, location aware apps aren't necessarily using GPS, but instead triangulation of cell towers and Wi-Fi hotspots, something the phone does quite frequently anyway, and doesn't consume much power. This is why location based reminders and Google Now don't use much extra battery power, in fact it's not noticeable.
Some location based apps do use the GPS, and when put into the background they are given a 10 minute window of tracking location further before that right is taken from them, and they go into a sleep state.
Having apps in the recently used list means it's faster to open them and resume where you left off, but closing these apps all the time you are probably using more battery than leaving them open, by forcing the phone to release memory, and forcing the phone to start the app from fresh each time.
That's my thoughts anyway.
before iOS 7 and having the option of background app refresh, did you never use location services? just by having the maps app or passbook open in the background it will destroy your battery.Absolutely pointless, except for on older devices with constrained memory on the newer OS's (i.e. iPad 1st Gen on iOS 5) is a lot smoother when forcibly releasing memory by closing the apps in the multitasking drawer.
before iOS 7 and having the option of background app refresh, did you never use location services? just by having the maps app or passbook open in the background it will destroy your battery.
Location Services was on all the time, never really noticed a problem providing you ended the app correctly by ending routing or finishing off the tracking in something like RunKeeper. The fact it placed an arrow on the status bar meant i could see if it was running GPS but if you close the app correctly it was fine. No need to mess about closing an app, double clicking, ending app....repeat....before iOS 7 and having the option of background app refresh, did you never use location services? just by having the maps app or passbook open in the background it will destroy your battery.
I do when it makes me feel overwhelmed.
For instance I have 26 apps so if they're all open I'll close the ones I hardly ever use.