I have used Adstream for my publishing/editing company and I loved how it was able to reach different types of clients in different areas of life. To me, that is crucial because I am able to reach a broader audience which in turn helps me package my product differently for different clients.
Google AdMob is the best choice in my opinion for any developer or company looking for a reliable way to monetize their app traffic and generate revenue from relevant ads displayed inside their mobile app, and it can be easily integrated into any IOS or Android App.
I personally am not involved in the decision to renew the product, but I had only positive experiences with the product and thus would recommend its use and renewal.
I love Adstream because it does a great job at streamlining its ads to different components and different industry providers unlike Apple iAds and Google AdMob. It also is very helpful for a new business like myself to reach different audiences and hopefully generate some revenue from these types of diversified ads.
No special reason for choosing Google AdMob. Out point is easy to gain appropriate knowledge from youtube.com and people who work with us. We won't have another similar application so far. However, we feel it works well and makes us happy because of easy function and experience. So I recommend this if we need to apply this for our company activity.
Before I got into it my other friends told me there are way better Ad providers. But being a Google fan I still signed up.
Now I remember writing to AdMob, requesting them to give me earning rates... But they never replied. So zero return on investment. They just keep you guessing.