
Last week, my friend Sarah sat across from me at a café, furiously swiping up on her phone screen. “I’m closing all my apps to save battery,” she said, showing me the empty recent apps list. I smiled, but I knew her habit was doing more harm than good. Like many people, she’d bought into a common tech myth that’s been around for years.
Is Closing Apps Really Saving Your Battery?
Let’s get straight to the truth: On modern smartphones (iOS or Android), closing apps in the background rarely saves battery. Here’s why: When you switch away from an app, it doesn’t keep running full-tilt. Instead, it goes into a suspended state—it stops using most resources, like CPU or data, until you open it again.
Closing an app completely means that next time you open it, your phone has to reload all its data and restart the app from scratch. That process uses more battery than just leaving it suspended. Think of it like turning off your TV every time you leave the room for 5 minutes—you’re wasting energy turning it back on each time.
To make this clearer, here’s a quick comparison:
| Action | Battery Impact | Time Investment | Effectiveness |
|---|---|---|---|
| Closing background apps | High (reloading uses energy) | High (constant swiping) | Low (negligible savings) |
| Leaving apps suspended | Low (minimal resource use) | None (no action needed) | High (preserves battery) |
Two More Common Battery Myths Debunked
Sarah wasn’t just falling for one myth—she believed two others. Let’s set those straight too.
Myth 1: Charging Overnight Ruins Your Battery
Remember when your parents told you not to charge your phone overnight? That was true for old nickel-cadmium batteries, which suffered from “memory effect.” But modern phones use lithium-ion batteries, which have built-in circuits to stop charging once they’re full. So leaving your phone plugged in all night won’t damage the battery—it’ll just keep it at 100% until you unplug it.
Myth 2: Using Your Phone While Charging Is Bad
Ever heard that using your phone while it’s charging will overheat it or shorten the battery life? It’s partially true that your phone might get a little warm, but modern devices are designed to handle this. The battery management system adjusts the charging speed to prevent overheating. So scrolling through social media or taking a call while charging is totally safe.
“Don’t fix what isn’t broken.” – Unknown
This old proverb applies perfectly here. If your phone’s battery is lasting through the day, there’s no need to obsess over closing apps or avoiding overnight charges. These habits are solutions to problems that don’t exist anymore.
After I explained all this to Sarah, she decided to stop closing apps. A week later, she texted me: “My battery lasts longer now, and I don’t waste time swiping through apps! Thanks.” It’s a small change, but it made a big difference for her.
FAQ: What Actually Saves Battery Life?
Q: If closing apps doesn’t help, what can I do to make my battery last longer?
A: Here are three practical tips:
1. Lower your screen brightness (it’s the biggest battery drain).
2. Turn off background app refresh for apps you don’t use often.
3. Use dark mode—OLED screens use less power to display black pixels.
These steps will have a way bigger impact than closing apps.
Next time you find yourself swiping to close apps, remember: Your phone is smarter than you think. Trust its built-in systems, and focus on the habits that actually save battery.



