How to Fix Crashing Apps on iPhone

Difficulty
Beginner
Tested on
iOS 18.4 - iPhone 15 Pro
You will need
Stable Wi-Fi connection, Apple ID credentials

Step by step

  1. 30 sec

    Force close the unresponsive application

    Swipe up from the bottom of the screen and pause in the middle to open the App Switcher. Locate the preview of the crashing app and swipe it upward to remove it from the background. Re-launch the application from your Home Screen to test for stability.

    Note: This clears the current memory state of the app without deleting your data.
  2. 1 min

    Update the application via App Store

    Open the App Store and tap your profile icon in the top right corner. Scroll down to the Available Updates section and tap Update All or locate the specific app and tap Update. Developers frequently release patches to fix known bugs causing crashes.

  3. 1 min

    Verify available device storage

    Navigate to Settings > General > iPhone Storage. Ensure you have at least 2GB of free space available to prevent system instability. If storage is full, offload large apps or delete unnecessary media files.

    Note: Low storage capacity often triggers background process failures.
  4. 2 min

    Delete and reinstall the application

    Long-press the app icon on your Home Screen and select Remove App, then choose Delete App. Once removed, navigate to the App Store, search for the application, and tap the cloud icon to download a fresh copy. This process repairs corrupted local installation files.

    Note: Ensure you have backed up any essential app data to the cloud before deleting.
  5. 5 min

    Update your iOS version

    Go to Settings > General > Software Update. If an update is available, tap Download and Install to bring your system firmware to the latest version. System updates contain critical compatibility fixes that resolve conflicts between iOS and third-party apps.

    Note: Connect your device to a charger during this process to prevent power loss.
  6. 2 min

    Perform a force restart

    Press and release the Volume Up button quickly, press and release the Volume Down button quickly, then press and hold the side power button. Continue holding until the Apple logo appears on the display. This resets the temporary system cache and forces all processes to reboot.

    Note: This does not delete your personal data.