Note from Wrike Team: Check out "Side by Side View for Proofing" to vote for the original request.
We're a marketing company who produces weekly ads for a chain of grocery stores. As a result, we have an intensive proofing process where we need to compare two versions of a spread side-by-side.
A semi-usable workaround would be to duplicate the browser window and have two open side-by-side, but our proofs can easily have 100 comments and that makes it hard to follow along in each proof.
We currently use ProofHQ for this (and it works great), however this would be a fantastic addition to Wrike.
Here is an image from Google showing how ProofHQ handles side-by-side proofing: