Which is the best network for germany?

Monetizing, Advertising & Marketing Advertising Networks
1

In december i had ~2,6€ RPM for interstitial with admob. Anything better?

2

Try mC? RPM performance varies with nature of app. You need to test yourself.

3

you won’t find anything better than AdMob

4

MobileCoreis always been the best for interstitial!! Try Mobilecore