The Edinburgh's IT Blog

How to Clear Cache on iPhone?

2026-04-03

How to Clear Cache on iPhone?

 

If your iPhone feels slow, apps are glitching, or your storage is mysteriously full, clearing the cache can often fix the problem. While iOS doesn’t offer a single “clear all cache” button, there are several simple ways to free up space and improve performance.

 

What Is Cache on iPhone?

Cache is temporary data stored by apps and websites to help them load faster. Over time, this data can build up and take unnecessary space, sometimes causing performance issues, making your device run really slow and laggy.

 

Method 1: Clear Safari Cache

If you use Safari, clearing its cache is quick and effective:

  1. Open Settings

  2. Scroll down and tap Safari

  3. Tap Clear History and Website Data

  4. Confirm your choice

This removes browsing history, cookies, and cached files.

 

Method 2: Clear App Cache (Offload or Delete Apps)

Unlike Android, iPhones don’t always let you manually clear cache for individual apps. Instead:

Option A: Offload Unused Apps

  1. Go to Settings

  2. Tap General

  3. Select iPhone Storage

  4. Tap an app

  5. Choose Offload App

This keeps your data but removes the app and its cache.

 

Option B: Delete and Reinstall Apps

  1. Tap and hold the app icon

  2. Select Remove App

  3. Tap Delete App

  4. Reinstall it from the App Store

This completely clears cached data.

 

Method 3: Clear Cache in Third-Party Apps

Some apps (like browsers or social media apps) include built-in cache clearing options:

Not all apps offer this, but it’s worth checking.

 

Method 4: Restart Your iPhone

A simple restart can clear temporary system cache:

  1. Press and hold the power button (and volume button on newer models)

  2. Slide to power off

  3. Turn your iPhone back on

 

Method 5: Free Up Storage Automatically

You can enable automatic offloading:

  1. Go to Settings

  2. Tap App Store

  3. Toggle on Offload Unused Apps

This helps keep your storage optimized without manual effort.

 

When Should You Clear Cache?

Consider clearing cache if:

 

So... to summarize:

While iPhones manage cache efficiently in the background, occasional manual cleanup can improve performance and free up space. With these methods, you can keep your device running smoothly without much effort.

Keeping your iPhone clutter-free is one of the easiest ways to maintain speed and reliability with no technical expertise required.

 

Close

geek ok

Proper repairs and advice for your mobile device

Drop in to see us for device repairs or general advice seven days a week at 14 Home Street, Edinburgh EH3 9LY or give us a call on 0131 221 1117

 

We’re always here to help. Hex repair specialists are high-performing and trusted experts in the field of iPhone and other technology repairs. We only use genuine or highest quality replacement parts and always do everything that we possibly can to repair and restore your device, something many other repair centres can’t do or just prefer to sell you a new device. 

Dex