Is there any free working admob extension?

MIT App Inventor Help
1

Is there any free working admob extension? I need one for my app! If not, is there any way to add them without any extension?

2

No, see also Which admob extension is outdated 'Jewel's AdMob extension or Oseamiya's AdMob version'? - #11 by Taifun

No

Please search before asking next time!
Taifun

3

I did search, but since I couldn't find, I asked here

4