In recent times, what apps are running has become increasingly relevant in various contexts. Do not close iPhone and iPad 'background'… - Apple Community. The remaining apps on the list are back on the storage medium, with only an entry in a table of open apps so they can be reloaded faster. And, as the first bullet says, NONE of them are "running"; they are all suspended, not using power, not using any other resources.
How do I check and turn off apps running … - Apple Community. In relation to this, how can I find out which apps are running in the background on my phone, and how can I shut them off? Why do you think you need to do this? With rare exceptions, apps don't run in the background on iPhones. The exceptions are generally things like media apps.
You know they're running because you can hear them. Most apps are in a suspended state. This perspective suggests that, checking for open apps on iPhone 16 - Apple Community.

To check for open apps on an iPhone 16, swipe up from the bottom of the screen and without removing your finger, pause in the middle. It's important to note that, this will display all your currently open applications. You can then scroll through to see which apps are running in the background and swipe up to close any you wish.
Switch between open apps on iPhone - Apple ... This perspective suggests that, how do I view apps running in background … - Apple Community. The only apps that are really running in the background are music or navigation apps. Go to Settings>General>Background App Refresh and you can see what other apps are allowed to update data in the background. iOS dynamically manages memory without any user intervention.

Background apps still running, even if ap… - Apple Community. I have always turned off my app refresh and my phone wifi is turn off and always in airplane mode. Orange dot even with no apps open - Apple Community. Orange dot even with no apps open its been a far days now and there is still an orange dot on the top right corner of my phone.
i tried closing all apps, shutting off my phone, and even turning off the microphone for all the apps it allows. In relation to this, how to Stop Apps from Opening at Startup … - Apple Community. then click the minus to remove them from the list.

now my login items is empty but, there is couple apps keep open at start up. Moreover, iPhone lagging after iOS 18 Update - Apple Community. Moreover, scroll down and turn off all the switches you see in the screenshot below. Go back to Siri & Search settings and turn on the switches.

📝 Summary
Grasping what apps are running is important for those who want to this subject. The information presented here functions as a strong starting point for further exploration.
It's our hope that this guide has given you useful knowledge about what apps are running.
