Windows phone allows to auto update apps if you don’t want get notified every time there is an update and then manually trigger the update.
- Navigate to store.
- Tap on the ellipsis (…) for the menu to appear
- Tap on settings
- Turn on “Update apps automatically”
- Turn on “Only get updates over Wi-Fi” if you don’t want to spend your cellular data.
Windows phone will now check for app updates periodically and update them automatically without your intervention.