How to clear cache on iphone?

To clear cache on an iPhone, open Settings, select Safari, scroll down and tap Clear History and Website Data, then confirm by tapping Clear History.3 Ways to Clear Cache on iPhone1.Clear Safari Web Cache & History:Method 1 (Browser Cache).Open Settings, scroll down to Safari (or Apps > Safari on iOS 18+), tap Clear History and Website Data, choose your time frame (e.g., All history), and tap Clear History.2.Offload Apps to Clear App Cache:Method 2 (App Storage).Go to Settings > General > iPhone Storage. Tap any heavy app (like TikTok or Instagram) and select Offload App. This deletes the app's cached temporary files while keeping your documents and logins safe.3.Clear Cache Directly Inside Apps:Method 3 (Third-Party Apps).Open apps like Chrome, Snapchat, Spotify, or TikTok, navigate to their internal Settings > Storage / Privacy, and select Clear Cache or Clear Browsing Data.Comparison of Cache Clearing MethodsCache Cleaning MethodDeletes Browsing History?Keeps App Logins & Saved Data?Frees Storage Immediately?Safari Clear HistoryYesNo (Logs you out of websites)YesOffload App OptionNoYes (Preserves personal data)YesDelete & Reinstall AppNoNo (Completely resets the app)MaximumWhy Is There No Global "Clear All Cache" Button?Unlike Android, iOS manages RAM and app cache automatically in the background. If system memory gets low, iOS clears temporary cache files on its own without user intervention.Pro Tip: Restarting your iPhone (powering off and back on) flushes temporary system logs and system RAM cache immediately.