To enable Automatic App Updates on your iPad or iPhone:
1) Open the 'Settings' app on the iPhone or iPad.
2) Go to 'iTunes & App Store'.
3) Under the 'Automatic Downloads' section, look for 'APP Updates' and toggle that switch to the 'ON' position.
4) Exit out of Settings as usual.
To enable Automatic App Updates on your Android:
1) Open the 'Google Play Store' app.
2) Tap on 'Menu' at the upper left corner.
3) Select 'Settings'.
4) Tap 'Auto-update' apps.
5) Select an option: Over any network to update apps using either Wi-Fi or mobile data. Over Wi-Fi only to update apps only when connected to Wi-Fi.