You will not be notified about updates. Allow your apps to update automatically or update them manually. Your iPhone or iPad automatically updates the Mobile Postcard app for iOS 13 or higher. But you will not get a message about this. If you have an older operating system, update the app manually. In the app, go to Menu > Version. This will bring you to the App Store. Click on ‘Update’ to download and install the update.If you have an Android smartphone or tablet, you will not receive messages about updates. You can adjust the settings on your device so that apps update automatically. You do this under the Google Play settings.