4 iPhone Apps That Cause Lagging, According To Tech Experts

August 26, 2025 by Lisa Cupido

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If your iPhone has been feeling a little sluggish lately, with apps taking longer to open and screen freezes, the culprit might not be your phone itself. In many cases, certain apps running in the background or using up a lot of storage and processing power can slow things down more than you realize. Some of the biggest offenders are apps you may not even use that often, but they’re still draining your phone’s resources.

It’s a smart idea to give your phone a little maintenance every so often. Just like decluttering your closet or cleaning out the fridge, deleting unnecessary apps can free up space and help everything run more smoothly. If you want your iPhone to perform at its best, here are four apps you may want to consider removing, especially if your phone has been lagging more than usual.

1. Facebook

The Facebook app may seem harmless, but it runs a lot in the background — constantly checking for updates, loading videos, tracking your location, and syncing notifications. All of this uses up memory and battery, which can slow your phone down over time. Even if you’re not actively using it, the app keeps working behind the scenes.

2. TikTok

TikTok is a fun app, but it’s very demanding on your phone. It streams endless short videos, which can quickly eat up storage and processing power. It also tends to run in the background and update frequently, which can make your phone feel laggy.

3. Snapchat

Snapchat uses your camera, location, and internet connection constantly, even when you’re not using it. It’s always checking for new snaps and updates, which can slow things down and drain your battery. Plus, all those saved videos and pictures can take up a lot of space over time.

4. Google Maps

While Google Maps is super useful and you may not dream of getting rid of it, it can also be a heavy app for your phone to handle. It uses GPS tracking, loads maps, and saves data like places you’ve visited. All of this can slow things down, especially if it’s running in the background or not regularly cleared out.

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