You can’t clear all cache on an iPhone with one master button, but you can quickly clear browser cache and app cache in a few different ways.

How Do I Clear Cache on My iPhone?

1. Clear Safari browser cache

This is the main cache most people want to clear.

  1. Open Settings on your iPhone.
  2. Scroll down and tap Safari.
  3. Tap Clear History and Website Data.
  4. Choose the time range if asked (for newer iOS versions) and confirm by tapping Clear History and Data.

This removes cached files, cookies, and website data for Safari and will log you out of most sites, but your passwords/autofill can remain saved via iCloud Keychain if you use it.

2. Clear cache for other browsers (like Chrome)

If you use Chrome or another browser, you need to clear its cache inside the app. For Chrome:

  1. Open the Chrome app.
  2. Tap the three dots menu.
  3. Tap Clear Browsing Data (sometimes under Settings).
  4. Choose a time range (e.g., Last hour, All time).
  5. Make sure Cached Images and Files is checked (you can also include Cookies, History if you want).
  6. Tap Clear Browsing Data to confirm.

This clears Chrome’s temporary files and can speed things up.

3. Clear app cache via “Offload App”

iOS doesn’t have a universal “clear cache” button for all apps, but offloading is the closest built‑in trick.

  1. Open Settings.
  2. Tap General.
  3. Tap iPhone Storage and wait a few seconds for the list to load.
  4. Tap an app that’s taking a lot of space.
  5. Tap Offload App → confirm.

This deletes the app itself but keeps its documents and data; when you reinstall from the Home Screen icon, the app comes back and often its cache is rebuilt from scratch, which can free up space.

4. Use “Clear cache” options inside specific apps

Many popular apps (TikTok, Facebook, Reddit, Spotify, etc.) have their own cache‑clear buttons. Typical pattern (example):

  • Open the app (say TikTok or Twitter).
  • Go to Settings or Settings & privacy.
  • Look for Storage , Data usage , or similar.
  • Tap Clear cache or Clear temporary data and confirm.

You’ll usually stay logged in, but some temporary files and thumbnails will be removed to free space.

5. Extra “hidden” cache clean‑ups

These don’t say “cache” but they clear a lot of stored junk-like data:

  • Empty Recently Deleted photos
    • Open Photos → Albums → scroll to Recently Deleted → Select → Delete All.
  • Restart your iPhone
    • A simple restart or “force restart” can flush some temporary system files and free up RAM, which often makes the phone feel faster even though it’s not a direct cache‑button.

Mini “Quick Scoop” Summary

  • To clear Safari cache: Settings → Safari → Clear History and Website Data.
  • For Chrome or other browsers: clear browsing data inside that app.
  • For apps that feel bloated: Settings → General → iPhone Storage → Offload App or use the app’s own Clear cache option.
  • To recover storage: clean up Recently Deleted photos and large apps in iPhone Storage.

If you tell me your iPhone model and iOS version (roughly, like “iOS 17”), I can tailor the steps very precisely for your screen.