To address the crashing issue in Shadow Fight 4 after every few matches, you can follow these detailed steps:

1. Update the Game:

- Ensure you are using the latest version of Shadow Fight 4. Check the App Store for any available updates and install them if necessary.

2. Clear Cache and Data:

- Clearing cache can help resolve performance issues. Even though iOS does not have a direct option to clear cache like Android, you can uninstall and reinstall the game to achieve a similar effect.
- Go to Settings > General > iPhone Storage > Shadow Fight 4 > Offload App (this won't delete your data, but it removes the app itself) and then reinstall it from the App Store.

3. Check for iOS Updates:

- Make sure your iPhone is running the latest version of iOS. Go to Settings > General > Software Update, and install any updates if available.

4. Disable Background App Refresh:

- Turning off unnecessary background activity can improve performance. Go to Settings > General > Background App Refresh and disable it for Shadow Fight 4.

5. Free Up Storage:

- Ensure that you have sufficient storage space on your device as low storage can cause apps to crash. Go to Settings > General > iPhone Storage to check your available space and delete unnecessary items if needed.

6. Close Other Apps:

- Closing apps running in the background might enhance performance. To do this, swipe up from the bottom of the screen and pause (or double-click the Home button on older iPhones), then swipe up on apps to close them.

7. Restart Your Device:

- Sometimes, a simple restart can fix issues. Press and hold the side button, then slide to power off. Turn it on after a minute and try the game again.

8. Adjust Game Settings:

- Lower the graphics settings within the game. Sometimes reducing visual effects can improve stability, especially if your device has limited resources.

9. Contact Support:

- If the problem persists, reach out to Shadow Fight 4 support for assistance. They may help troubleshoot and provide specific solutions based on your device and game situation.

10. Community Insights:

- Check community discussions for insights regarding similar issues. Users may have shared effective solutions on platforms like Reddit, which can provide additional troubleshooting tips - learn more - learn more.

By systematically following these steps, you should be able to resolve the crashing issue in Shadow Fight 4.