Hello there.
It sounds like you're having issues with a few apps on your iPhone not functioning as expected. Good job with the steps you've taken so far. The following Knowledge Base article offers a few more steps to try for troubleshooting:
If an app you installed unexpectedly quits, stops responding, or won’t open - Apple Support
Close the app and open it again.
Turn your device off and back on.
- Make sure that you're using latest version of iOS.
- Open the App Store and tap Updates.
- If updates are available, tap Update All.
- If asked, enter your Apple ID password.
You might need a Wi-Fi connection to update some apps.
Try installing a different app that you don't have on your device. Find a free app from the App Store, and remember to use the same Apple ID that you used to download the app that you're having issues with.
- Tap and hold the app until it jiggles.
- Tap the on the app.
- Press the Home button.
- Go to the App Store and download the app again.
- Wait for the app to download, then open it from the Home screen.
If you see this issue again, contact the app developer for help:
- Find the app in the App Store.
- Tap the app, then tap Reviews.
- Underneath App Store Customer Reviews, tap App Support.
Thanks for being a part of Apple Support Communities.
Kind Regards.