Auraz TechHow to Stop Apps Running in the Background on Android
Your phone feels warm in your pocket, the battery nosedives by mid-afternoon, and you haven't even opened half the apps installed. The usual suspect: apps running wild in the background — syncing data, checking location, refreshing feeds, and waking your processor hundreds of times a day. The fix isn't a "RAM booster" app (those make things worse). It's Android's own background controls, used properly. Here's how they actually work.
First, Understand What "Background" Really Means
Android keeps recently used apps suspended in RAM so they reopen instantly. A suspended app uses essentially zero battery — it's frozen, not running. The real drain comes from apps doing active background work: syncing email, fetching location, playing audio, downloading updates, or running persistent services. Your job isn't to empty RAM (Android manages that brilliantly on its own) — it's to stop the handful of apps doing unnecessary active work.
Step 1: Identify the Offenders
Go to Settings > Battery > Battery usage. This shows exactly which apps consumed power since your last full charge, split into foreground vs. background usage. An app with high background usage that you rarely open is your prime target. Typical culprits: social media apps, shopping apps, "free" games, and preinstalled bloatware.
Step 2: Restrict Background Battery Usage (The Main Fix)
For each offending app:
- Go to Settings > Apps and tap the app.
- Tap Battery (or App battery usage).
- Select Restricted.
A restricted app works perfectly when you open it — it just can't run background jobs, sync in the background, or send delayed notifications. On Samsung, the equivalent lives at Settings > Battery and device care > Battery > Background usage limits, where you can also add apps to Deep sleeping apps (never run in background) or Sleeping apps (run occasionally).
Warning: don't restrict messaging, email, or alarm apps you depend on — restricted WhatsApp means delayed messages. Restrict games, shopping, social, and utility apps instead.
Step 3: Stop Auto-Start (Xiaomi, Oppo, Vivo, Realme)
Many Chinese-brand phones let apps launch themselves at boot and restart after being closed. Cut this off:
- Xiaomi/Redmi/Poco: Settings > Apps > Manage apps > Autostart — toggle off everything except messaging and essential apps. Also check Battery > App battery saver and set aggressive apps to Restrict background activity.
- Oppo/Realme: Settings > App management > Auto-start management.
- Vivo: Settings > Apps > Autostart.
Step 4: Force Stop the Truly Stuck Apps
Force stop is for misbehaving apps — one that's frozen, draining abnormally, or stuck in a loop. Go to Settings > Apps > [app] > Force stop > OK. This kills the app completely until you open it again. It's a troubleshooting tool, not a daily habit: force-stopping healthy apps just makes them cold-start next time, costing more battery.
Step 5: Tame Background Data
Some apps burn battery through constant network activity. To block an app's background data while keeping it usable on Wi-Fi when open:
- Settings > Apps > [app] > Mobile data & Wi-Fi.
- Toggle off Background data.
For a system-wide option, Data Saver (Settings > Network & internet > Data Saver) restricts background data for all apps at once, with an allowlist for essentials.
Step 6: Control Location and Other Background Permissions
Background location polling is one of the most expensive things an app can do. Go to Settings > Location > App location permissions and demote every "Allow all the time" app to "Allow only while using the app" unless it's navigation or fitness tracking. While there, disable Wi-Fi scanning and Bluetooth scanning under Location services if you don't need them.
Step 7: The Nuclear Settings (Developer Options)
For extreme cases — e.g., a very old phone — Developer Options offers Background process limit (Settings > System > Developer options, after tapping Build number 7 times). Setting it to "At most 2–3 processes" aggressively caps background activity. We don't recommend this for daily use on modern phones — it breaks multitasking fluidity and can delay notifications — but it's there if you need it.
What About Task Killer / RAM Booster Apps?
Delete them. This isn't opinion — it's how Android works: empty RAM is wasted RAM, and Android already freezes unused apps efficiently. Task killers fight the OS, cause constant app restarts (which burn more battery), and the reputable ones were largely removed from the Play Store years ago for policy violations. The apps remaining in this category are overwhelmingly adware. Every legitimate fix is already in your Settings app, as described above.
A Sensible Maintenance Routine
- Once: audit Battery usage, restrict the top background offenders, fix autostart and location permissions.
- Monthly: glance at Battery usage for new offenders (often after app updates).
- Never: obsessively swipe away apps from Recents. That gesture is for closing something you're done with, not a performance ritual.
Gaming Phones and Performance Modes: A Special Case
If you game on your phone, background management needs a nuanced approach — aggressive restriction can cause stutters, failed downloads, and lost game progress:
- Use Game Mode / Game Space, not manual restriction: Xiaomi's Game Turbo, Samsung's Game Booster, and OnePlus Games create an optimized environment automatically — blocking notifications, prioritizing the game's CPU/GPU, and managing background apps intelligently. Find it in Settings > Special features > Game Turbo (Xiaomi) or the Game Launcher app (Samsung).
- Never restrict the game itself: restricted games may fail to download updates, lose cloud-save sync, or get killed mid-match. Restrict everything around the game instead.
- Disable "restrict background" for game companion apps like Discord if you voice-chat while playing — restricted Discord means your friends stop hearing you mid-game.
- Charging + gaming heat: background activity plus gaming generates serious heat, which triggers thermal throttling (forced slowdown). Game Mode's temperature management matters more than any manual tweak here.
The principle stays the same — target the idle resource-wasters, not the app you're actively using — but gamers should let the manufacturer's game mode handle the balancing rather than hand-restricting dozens of apps.
FAQ
Is it bad to leave apps open in the background?
No. Suspended apps in RAM use virtually no battery and reopen instantly. Only actively working background apps (syncing, tracking, refreshing) cost power — those are what the Restricted setting targets.
Why does Android keep restarting apps I closed?
Some apps register background services, alarms, or autostart receivers that relaunch them by design (messaging apps, launchers, accessibility tools). Restricting battery usage and disabling autostart (methods above) stops most of this.
Will restricting background apps break notifications?
For restricted apps, yes — notifications may arrive late or only when you open the app. That's why you should only restrict apps whose notifications you don't care about, never your primary messenger, email, or alarm.
Does swiping apps away from Recents save battery?
Barely, and it can cost more: reopening a swiped-away app from scratch uses more CPU than resuming it from RAM. Swipe away apps you're finished with; don't use it as a battery strategy.