[samirahmed]

At a glance, this is a very creative way to fuse the best of digital prototyping with the spontaneity of hand drawn prototyping.

However I believe that digital linking and editing stages would be easier if it were on a browser than an iphone.

[lmirosevic]

I use pop a lot and its actually really easy and intuitive. Just my opinion.

[stravid]

Can I use it on an iPad? For non phone app prototypes an iPhone screen seems rather small.