Metromail is available for free

[mesamit]

The first third party Gmail client Metro mail is now available for free

MetroMail | Windows Phone Apps+Games Store (United States)

 

[dlalonde]

It's a 30 day trial with ads. There's an in-app purchase of $1.99.

 

[anon(7900571)]

I will suggest you to use this thread to post app deals http://forums.windowscentral.com/windows-phone-apps/233301-source-app-deals.html