Instapage is by far the best tool to create landing pages for both: Desktop AND Mobile.
I have tested many tools for landing pages, but Instapage is the clear winner; mainly because their mobile landing pages are really awesome!
The offers and features of Instapage are well described on their website www.instapage.com.
You may also watch this introduction to see how it works:
Because I simply love everything about it:
As of today it does cost a little more than other landing page solutions, but believe me: It's a much better deal than anywhere else if you see the results!
A must-have tool if you invest in online advertisement!
Andrea AnderheggenFounder & CEO, SalesGrowth GmbH
Instapage and SalesGrowth are independent companies.