Is it possible to open an ios app from a Facebook Fan Page through deep-linking?

Is it possible to open an ios app from a Facebook Fan Page through
deep-linking?

We enabled deep-linking for our ios app. It is working perfectly for
wallposts / timeline posts.
But our client created a fan page from where he give some gifts (virtual
economy gifts) Example:
"Take these free coins here : insert URL here "
When we click that URL from the Facebook App on IOS, it is sending us to
app Store. Again, we have it working for wallposts and timeline posts.
And that URL is working on PC: it opens their facebook App and gives the
coins.
I've looked at the description of deep-linking in the Facebook Developper
page. Here is what it says:
"(Facebook Login required) If enabled, links in newsfeed/timeline stories
will launch this native app, and the original url will be passed as part
of the Intent's data."
So we thought maybe it was just impossible.
Anyone has been able to get this working?
Thanks