Also does the update not take up so mutch space also?

If you’re on iOS, then I know that you can see the update size in the Updates section of the App Store.

Im on android so is there a diffrence

Try going to the My Apps & Games section in your Google Play app. It should say the size of the update under the name of the app.

You can see it here:

The hand covers any alpha apps that aren’t official yet, don’t worry xD