To be able to disable automatic updates of apps inside your android phone, all you need to do is disable it. You are allowing Google Play to auto-updates the apps that is why it is updating once you are connected via mobile internet data or WIFI. See the simple steps to be able to disable the updates of your apps below.

Disable auto-updates Android phone Apps

1. Find your Play Store and tap it.

2. Inside your Play Store, press the 3 small horizontal lines found in the upper-left corner of your screen, near the search field. You can also try to swipe your screen from left to right. A menu will appear. Press Settings.

3. Tap the Auto-updates apps.

4. Then, select the radio button with the Don't auto-update apps.

5. Done!