How to clear app cache on iPhone

Has your iPhone started lagging or apps become a tad slower? The culprit could be your app cache, silently hoarding storage. Here’s an enlightening revelation: it’s possible to clear app cache on iPhone. Yes, you read that right! While iOS doesn’t provide an immediate ‘Clear Cache’ button like Android, there are roundabout ways to accomplish this task. Eager to bring back the swift performance of your beloved device? Dive into our comprehensive guide on how to clear app cache on your iPhone. We assure you, it’s simpler than you think.

This nifty trick not only improves your device’s speed but also helps prevent those annoying app crashes. By the end of this article, you’ll be equipped with the knowledge you need, transforming you into an iPhone power user. So, let’s jump in without any delay and make your iPhone as snappy as it once was!

How to clear app cache on iPhone

Why Clearing App Cache on iPhone is Necessary

Clearing the app cache is often overlooked, but is a vital task for maintaining optimal performance of your iPhone. With time, apps accumulate data which results in your device running slower, and can even lead to crashes. Clearing the cache removes these unnecessary data, giving your device a performance boost.

Understanding the Impact of App Cache on iPhone’s Performance

As apps are used, they store temporary files, or ‘cache’. Over time, these files can become a burden on your device’s storage and can degrade your iPhone’s performance. Clearing these caches can free up space, and improve app functionality.

Why Your iPhone’s Performance Slows Down: Unravelling the Mystery

If you’re using your iPhone on a daily basis, you’ve probably noticed that over time, it can start to run more slowly. But why does this happen? Here are the primary reasons:

1. App Cache Accumulation

Every time you use an app on your iPhone, it stores bits of information to speed up your experience the next time. This data is known as ‘cache’. However, this helpful feature can become a problem when too much cache is accumulated, slowing down your device.

2. Insufficient Storage Space

Apps are not just about functionality; they’re about data too. Photos, videos, personal files – these all eat up your iPhone’s storage. When your device is nearing its storage limit, it can noticeably affect its performance.

3. Too Many Background Processes

Apps running in the background can drain your iPhone’s resources, causing it to slow down. This is especially true if you have many apps open at the same time or if certain apps are set to constantly refresh in the background.

4. Outdated Software

If you haven’t updated your iPhone’s software in a while, this could be affecting its performance. Each new update brings bug fixes and performance improvements that help your device run more smoothly.

By clearing the app cache on your iPhone, you can help tackle these issues and get your device back up to speed.

How to clear app cache on iphone ?

Fix 1: Clearing App Cache through iPhone Storage Settings

To alleviate performance issues, here’s your first fix on how to clear app cache on iPhone.

  • Step 1: Navigate to Settings: Start by tapping on the ‘Settings’ icon. This is where you’ll find all the options for configuring and optimizing your iPhone.
  • Step 2: Access General Settings: Within ‘Settings’, you’ll see a lot of options. Look for ‘General’ and tap on it.
  • Step 3: Go to iPhone Storage: Under the ‘General’ settings, you’ll find an option labeled ‘iPhone Storage’. This section gives an overview of what’s consuming your device’s storage.
  • Step 4: Browse Apps and Their Data: In ‘iPhone Storage’, you’ll see a list of all your apps, sorted by the amount of storage they use. Select an app to view its data.
  • Step 5: Check Documents & Data Size: After selecting an app, you’ll see its ‘Documents & Data’ size. This includes the app’s cache. If it’s more than 500 MB, consider clearing the cache.
  • Step 6: Delete and Reinstall the App: To clear the app cache, you’ll need to delete the app and then reinstall it. Yes, it might sound a bit tedious, but it’s a proven method to free up significant storage and improve iPhone’s performance.
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This process ensures that the app cache is cleared, helping your iPhone to run more efficiently. In the next section, we’ll discuss another method for those who wish to avoid reinstalling apps.

Fix 2: Clearing App Cache Using the Offload App Feature

Here’s an alternate method if you prefer not to delete and reinstall apps. This method revolves around the ‘Offload App’ feature present in iOS.

  • As always, we start from the ‘Settings’ menu. Tap on its icon to open it.
  • Inside ‘Settings’, you will see various options. Locate ‘General’ and select it.
  • Under ‘General’, find and select ‘iPhone Storage’. This section provides a detailed view of your storage use.
  • In the ‘iPhone Storage’ section, find the app whose cache you want to clear, then tap on it.
  • Upon selecting the app, you will see an option labeled ‘Offload App’. Tap on this. A prompt will appear confirming your decision. Hit ‘Offload App’ again.
  • After offloading, the app’s icon will still appear on your home screen but it will be greyed out. Tap on it to reinstall the app.

The ‘Offload App’ feature allows you to delete an app while preserving its documents and data. By reinstalling the app, you effectively clear the app cache while still keeping your important data intact.

Fix 3: Clearing App Cache Using Third-Party Apps

  1. For users looking for a more streamlined solution to clear cache, third-party apps can be a lifesaver. These apps help optimize your iPhone’s performance by cleaning up cache data.
  2. There are numerous cleaning apps available on the App Store. Choose a reliable one with good reviews, such as ‘Smart Cleaner’ or ‘Clean Doctor’. These apps are specially designed to clean up junk files, including app cache.
  3. Once you’ve made your choice, tap ‘Get’ to download and install the app. Make sure you have enough storage space for the new app.
  4. Open the cleaning app from your home screen. Usually, these apps have user-friendly interfaces that are easy to navigate.
  5. Most cleaning apps come with a ‘Scan’ option. This process will detect junk files, including app cache, that are taking up storage on your iPhone.
  6. After the scan, the cleaning app will display the amount of cache detected. There will be an option to clean up these files. Tap on it to clear the cache.
  7. This method is generally more straightforward and less time-consuming than the others, making it a popular choice among many iPhone users. Note, however, that no third-party app can offer as thorough a cleanup as the native methods discussed earlier. Use this option if the app cache issue isn’t severe, or if you prefer a quick, one-tap solution.

Fix 4: Clearing Safari Cache

While this isn’t directly related to clearing app cache, cleaning up Safari cache can still help optimize your iPhone’s performance. Since Safari is an app, its cache can also pile up over time, especially if you surf the web frequently. Here’s how to clear Safari cache on your iPhone:

  • Start by accessing the ‘Settings’ menu. This is your hub for all iPhone configurations.
  • In the ‘Settings’ menu, scroll down until you find ‘Safari’. Tap on it to access Safari’s settings.
  • In the Safari settings, you’ll find an option labeled ‘Clear History and Website Data’. Tap on this to proceed.
  • A prompt will appear asking if you’re sure you want to clear history and website data. Confirm your decision by tapping ‘Clear History and Data’.

While this method won’t clear the cache for all apps, it can make a notable difference if you’re a heavy internet user. Regularly clearing your Safari cache can help maintain the speed and efficiency of your iPhone. Remember, a healthy device is the key to an excellent user experience.

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Fix 5: Restarting Your iPhone

  1. Our final solution may seem simplistic, but don’t underestimate its power – restarting your iPhone. This method can often solve minor software issues and help clear temporary files, potentially freeing up some space.
  2. Hold down the power button, located on the right side of your iPhone. For older models, the power button might be on the top. Slide to power off when prompted.
  3. Wait for about 30 seconds to allow your iPhone to fully shut down. This brief pause lets the system close any running processes.
  4. Hold down the power button again until you see the Apple logo, indicating your iPhone is starting up.
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A simple restart won’t clear a significant amount of cache like the other methods, but it can still help improve the performance of your iPhone. Restarting your device regularly can keep it running smoothly, and should be part of your regular iPhone maintenance.

Fix 6: Update Your iPhone’s Software

  1. Keeping your iPhone’s software up to date is crucial for maintaining optimal performance. Software updates often include bug fixes, security patches, and performance enhancements. Here’s how to update your iPhone’s software:
  2. Ensure that your iPhone is connected to a stable Wi-Fi network. Software updates can be large in size, so using Wi-Fi instead of cellular data is recommended to avoid data charges and ensure a smooth download.
  3. Tap on the ‘Settings’ icon on your home screen to access the iPhone’s settings menu.
  4. Scroll down and find the ‘General’ option. Tap on it to access the general settings.
  5. In the ‘General’ settings, locate and tap on the ‘Software Update’ option. Your iPhone will check for available updates.
  6. If an update is available, tap on ‘Download and Install’. Follow the on-screen prompts to initiate the update process. Ensure that your iPhone is connected to a power source to prevent any interruptions during the installation.
  7. Updating your iPhone’s software not only brings performance improvements but also helps ensure compatibility with the latest apps and features. Regularly checking for software updates and installing them promptly is essential for maintaining a smooth and secure iPhone experience.

Fix 7: Reset All Settings

If you have tried the previous methods and are still experiencing performance issues, resetting all settings on your iPhone can help resolve underlying software conflicts. It’s important to note that this will reset your personalized settings to their default values, so you may need to reconfigure certain preferences. Follow these steps:

  • Access the ‘Settings’ app from your home screen.
  • Scroll down and tap on ‘General’ to access the general settings.
  • In the ‘General’ settings, find and tap on the ‘Reset’ option.
  • Within the ‘Reset’ menu, select ‘Reset All Settings’. You may need to enter your passcode or provide your Apple ID credentials for confirmation.
  • A warning prompt will appear, informing you that this action will reset all settings to their default values. Confirm the reset and proceed.
  • After the reset, your iPhone will restart, and all settings will be reset to their factory defaults. This includes network settings, display settings, privacy settings, and more. However, your personal data and apps will not be affected.

Resetting all settings can often resolve performance issues caused by conflicting settings or misconfigurations. Remember to take note of your customized settings before performing this reset, so you can easily restore them afterward.

Fix 8: Restore Your iPhone

If all else fails and you’re still experiencing persistent performance issues, restoring your iPhone to its factory settings can be a last resort. This process erases all data and settings on your device, so it’s crucial to create a backup before proceeding. Follow these steps:

  1. Connect your iPhone to a computer with iTunes or use iCloud to create a full backup of your device. This ensures that your data, including contacts, photos, and apps, is safely stored and can be restored later.
  2. Launch iTunes on your computer and connect your iPhone using a Lightning cable.
  3. In iTunes, select your iPhone when it appears in the top left corner of the iTunes window.
  4. In the Summary tab, click on ‘Restore iPhone’. This will initiate the restoration process.
  5. A warning prompt will appear, informing you that this action will erase all data and settings on your iPhone. Confirm the restore and follow the on-screen instructions to complete the process.
  6. After the restore is complete, your iPhone will restart and you will have a fresh start with the default settings. You can then choose to set up your device as new or restore it from the backup you created earlier.

Restoring your iPhone is a drastic step, but it can often resolve deep-seated software issues that may be causing performance problems. Remember to proceed with caution and ensure you have a backup of your data before proceeding with this fix.

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Preventing App Cache Buildup

To avoid app cache buildup and maintain optimal iPhone performance, consider implementing the following preventive measures:

  • Regularly Clear App Cache: Make it a habit to clear app cache periodically to prevent excessive accumulation and performance degradation.
  • Monitor App Storage Usage: Keep an eye on the storage usage of your apps. If an app consistently consumes excessive storage, consider deleting and reinstalling it.
  • Limit Background App Refresh: Disable or limit the background refresh feature for apps that you don’t frequently use to reduce unnecessary cache buildup.
  • Keep Your iPhone Updated: Regularly update your iPhone’s software to ensure you have the latest bug fixes, performance improvements, and cache management enhancements.
  • Optimize Safari Cache: Clear your Safari cache regularly and adjust the browser’s settings to limit the amount of cache being stored.
  • Manage Photos and Videos: Regularly review and delete unwanted photos and videos to free up storage space, reducing the chance of app cache issues.
  • Uninstall Unused Apps: Remove apps that you no longer use to reduce the overall storage consumption on your iPhone.

By implementing these preventive tips, you can keep app cache buildup at bay and enjoy a smooth and responsive iPhone experience.


Knowing how to clear app cache on your iPhone is crucial for maintaining optimal performance. By following the methods mentioned in this article, you can effectively free up space, improve app functionality, and enhance your iPhone experience. Whether you choose to clear cache through iPhone storage settings, use the offload app feature, or rely on third-party apps, each method offers a viable solution. Additionally, performing a Safari cache cleanup, restarting your iPhone, updating the software, resetting settings, or resorting to a full restore are alternative options to consider.

Remember, regularly maintaining your device’s cache can prevent sluggishness and crashes, ensuring your iPhone runs smoothly. So, don’t let accumulated cache slow you down – take action and enjoy the speedy performance of your iPhone once again.


Can clearing app cache harm my iPhone?

No, clearing app cache won’t harm your iPhone. It can actually improve its performance.

Will clearing app cache delete my data?

No, clearing app cache won’t delete your data. It only removes temporary files.

Do I need to clear app cache regularly?

It’s good practice to clear app cache periodically to keep your iPhone running smoothly.

Can I clear app cache for specific apps only?

Yes, you can selectively clear app cache through iPhone storage settings or offload individual apps.

Are there any third-party apps for clearing cache?

Yes, there are several cleaning apps available on the App Store for clearing app cache.

Do I need to restart my iPhone after clearing app cache?

No, it’s not necessary to restart your iPhone after clearing app cache.

Will clearing Safari cache affect my saved passwords?

Clearing Safari cache won’t delete saved passwords, but it will remove browsing history and website data.

What should I do if my iPhone is still slow after clearing app cache?

You can try updating the software, resetting settings, or restoring your iPhone as a last resort.

Can I recover cleared app cache?

Once cleared, app cache cannot be recovered. It’s permanently deleted from your device.

Is it recommended to clear app cache while using apps?

It’s best to close the app before clearing its cache to ensure no data loss or glitches.