How to Clear Cache on iPhone
Free up storage and speed up your iPhone by clearing cached data
⚡Quick Answer
Go to **Settings > Safari > Clear History and Website Data**, then head to **Settings > General > iPhone Storage** and tap **Offload Unused Apps**. Finish with a restart to flush all temporary memory and enjoy a noticeably snappier iPhone.
Step-by-Step Guide
Clear Safari Cache
Go to Settings > Safari > Clear History and Website Data and tap to confirm. This wipes stored cookies, browsing history, and cached website files that accumulate over time. The process takes only a few seconds and instantly frees up space.
Offload Unused Apps
Go to Settings > General > iPhone Storage and tap Offload Unused Apps to remove apps while keeping their documents and data intact. You can also scroll down the list and tap individual apps to offload them manually. This is especially useful for large apps you rarely open — they can hold hundreds of megabytes of cached data.
Clear Individual App Caches
For apps like Photos, Maps, or Spotify, open the app and look for a Cache or Storage option inside its own settings menu. If no in-app option exists, deleting and reinstalling the app is the most thorough way to clear its cached files. Your account data and purchases are tied to your Apple ID and will restore automatically after reinstall.
Restart Your iPhone
Hold the side button + volume down button, slide to power off, then turn it back on to flush temporary memory (RAM) and complete the cleanup. A fresh reboot forces iOS to rebuild its memory state cleanly, which often resolves sluggishness that persists even after clearing cache. Aim to restart your iPhone at least once a week for best ongoing performance.
Frequently Asked Questions
Does clearing cache delete my photos or messages?
No, clearing Safari cache or offloading apps does not delete your personal files like photos, messages, or contacts. **Cache** refers only to temporary website data and app files that iOS stores to speed up loading times. Your actual personal data is stored separately and is never touched by these steps.
How often should I clear my iPhone cache?
Once a month is a good rhythm, or whenever your iPhone feels slow, apps crash frequently, or **available storage** drops below 1 GB. Safari cache in particular can grow quickly if you browse heavily — clearing it every few weeks keeps the browser snappy. Setting a reminder in the Calendar app is an easy way to stay on top of it.
Will clearing cache speed up my iPhone?
Yes — clearing cache frees up **storage space** and removes stale temporary files, which can noticeably improve app launch times and overall responsiveness. The effect is most dramatic on devices with limited storage (16–32 GB models) where cached data competes with the OS for breathing room. Combining a cache clear with a restart typically delivers the best performance boost.
Does clearing cache on iPhone affect app logins or saved data?
Clearing **Safari cache** logs you out of websites, but app logins (like banking or social media apps) are stored separately and remain intact. **Offloading** an app preserves all its documents and data — when you reinstall, everything comes back as it was. Only a full app **delete** (not offload) removes app-specific login tokens, and even then most apps restore your account via your username and password.