So you have to redo a lot of work for the iOS version? If you spend more hours than expected, just put in another proposal. You've got my vote
I will try to make a full research first, before making a decision, as the changes include a refactoring of the ChainParameters data.
To make things harder, Breadwallet iOS team has not commited changes to Github since January 4th (last version is build 202 and "real" version you get from App Store is build 250) so there is a good chance that all the legwork I have to do on iOS build 202, has already been implemented by them in the last 3 months somewhere between build 202 and 250.
It would be a bit silly to throw tens of hours at the effort and see one day that it's already there when an official commit is finally made. There is no way to know until that day comes.
I will contact with Breadwallet team and ask but I don't know how jealous they are, regarding their codebase. Another option is waiting a couple weeks and see if they finally update the repository.
What I will likely need to turn into a proposal, is the implementation of a "getutxo" API in Iquidus Explorer. It will be absolutely necessary to have the "private key sweep" feature. Breadwallet has it's own, but it's hosted on their servers and it's Bitcoin only.