it’s possible for you to control whether or not your Android auto-updates apps in Google Play.
you might control it with a global setting or a setting for individual apps.
Heres a detailed tutorial on how to enable or disable this feature.
Now youre in complete control of when your Android apps get updated.
FAQ
I installed an app via an APK file outside of Google Play.
How do I automatically update it?
You will have to manually install a new APK file when one becomes available.
Google Play controls will only control the apps you downloaded from Google Play.
How do I get rid of the notifications while still allowing my apps to automatically update?
From the Google Play configs, there is a selection for Notifications.
Checking it will turn notifications on, while unchecking it turns it off.