To resolve the issue with CoinSnap crashing when you access collections, follow these steps:

1. Restart Your iPhone:
Begin by restarting your device to clear any temporary glitches that might be causing the app to crash. Press and hold the power button and slide to power off, then turn it back on.

2. Clear the App Cache (if applicable):
While iOS does not have a direct method to clear an app's cache like Android, reinstalling the app can help eliminate stored data that could be causing the crash.

3. Uninstall and Reinstall CoinSnap:
Uninstalling the app will remove any corrupted data or files that might be leading to the crashes.
- Tap and hold the CoinSnap app icon until it starts shaking.
- Tap the “X” to delete it.
- Go to the App Store, search for CoinSnap, and download it again.

4. Check for Updates:
Although you mentioned that the app and your phone are updated, double-check for any new updates. Sometimes, the developers release patches quickly after issues are reported. Go to the App Store, tap on your profile icon, and scroll down to see any available updates.

5. Free Up Storage Space:
Ensure that your device has sufficient storage space, as low storage can cause apps to malfunction. Go to Settings > General > iPhone Storage to see what is taking up space and remove unnecessary files or apps.

6. Check Internet Connection:
Ensure that your internet connection is stable, as connectivity issues can lead to apps behaving unpredictably. You can switch between Wi-Fi and cellular data to check if the problem persists.

7. Contact Support:
If the issue continues after following these steps, consider reaching out to CoinSnap’s support for further assistance. You can check their FAQs or contact them directly through their website - learn more - learn more - learn more.

By following these troubleshooting steps, you should be able to resolve the crashing issue with CoinSnap when attempting to access collections.