How to Clear the Cache on iPhone

Learning to clear the cache on iPhone is a great way to give your iPhone (or iPad) an increase in speed.  Here’s how to delete unwanted files and boot your device like a dream

iPhone and iPad tend to slow down as they get clogged gradually due to unwanted files and applications.  In this article, we explain how to clean cache, scrap, and memory block files on your device, which should convert to play them faster.

IOS and iPad devices do not need the same level of maintenance as Mac (or Windows computers), but require a small amount of attention to run at optimum speed; the performance of older iPhones and iPads will especially benefit from spring cleaning.  Scanning also helps at the human level because it enables you to focus on the applications and files you use.

What is the iPhone cache?

iPhone creates a cache whenever you use the phone.  Files are created by applications and contain data that applications use when running.

You may have heard about a cache related to your web browser.  The web browser contains temporary files that speed up download sites.  This is a common type of cache, but all kinds of apps and iPhone OS also have a cache.

Why clear iPhone cache?

It contains the files you need, and in some cases, speeds up your phone.  However, there are two main reasons for clearing the iPhone’s cache.

First, cached files take up storage space on the iPhone, and over time, they are collected.  If you want to free up storage space on the iPhone, clearing the cache is one way to do this.  Some of this is done automatically by iOS, but you can also do it manually.

Another reason to clear iPhone’s cache is that cached files sometimes slow down the phone or cause things to behave in ways you don’t want.

There are many types of cache on the iPhone.  As a result, there is no single step you can take to clear all types of cache.

How to clear cache iPhone and iPad cache

The following steps erase all cookies and web data stored on your device by Safari, although the Autofill information remains unchanged.  Note that when you clear your Safari browsing history on an iOS 11 or higher device, the same records are erased on any other device registered in the same iCloud account.

  • Open the Settings app on your iPhone or iPad and scroll down to Safari in the menu.
  • Scroll to the Privacy and Security section and click on the Clear History and blue website data option near the bottom of the menu. (Note that this setting may be inactive if there is not already a record to erase it or if website parental controls are set.)
  • Click Clear History and Data in the confirmation popup.

How to clear iPhone cache for third-party applications

The way to clear the cache used by third-party applications on your iPhone differs from application to application.  For example, there is an option to reset the Slack cache in the main settings app (Settings ->Slack -> Reset the cache on next launch), while you can control the storage that individual WhatsApp conversations use from within the chat app (Settings  -> Data and Storage Usage -> Storage Usage).

If there is an app that you suspect is unnecessarily storing data on your iPhone, but you can’t find an equivalent option to clear its cache, the best alternative is to check the iOS iPhone storage screen.

  • Launch it on your iPhone or iPad.
  • Click on General.
  • Tap iPhone Storage.
  • A list of all apps (including stock apps) will be uploaded to your iOS device in order of size, with the largest apps listed first. Click on an application in the list, taking up unnecessary space.
  • Two uninstall options are displayed on this screen. Click Offload App to unload the app but retain any documents and data (this data is restored if you reinstall the app later) or click delete an app.

It is worth scrolling to the bottom of the iPhone storage list and looking at the date of last use: the date under the heading of each application.  If it has been several weeks or months since you opened an app, or never used it, consider uninstalling it.

If you tend to download a lot of apps that are often left unused, consider enabling the iPhone storage list recommendation to automatically unload unused apps when storage is low.  If you uninstalled a purchased app but later decided you want to use it (it’s still available in the app store), just follow the steps below.

How to reinstall deleted apps

  • Launch the App Store app on your iPhone or iPad.
  • Click the Today tab if it is not already selected.
  • Click on your circular profile image in the upper right of the screen today to access the Account Settings screen
  • Click Purchases.
  • Click on My Purchases.
  • On the purchased screen, click the Not on this iPhone tab.
  • Scroll through the list of purchased applications to find the application you want to restore, then click the cloud download icon next to it to re-download and install.

As is, iOS still lacks a direct way to clear the app cache.  For example, you may sometimes want to keep an app, but you can delete documents and data.  Hopefully, Apple will include an equivalent option in a future version of iOS, but until then, the methods outlined above are your best options for clearing cruft from your iPhone.

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