Hi,
I have been through your post and I am fully confident that we can do this job.
We have an experienced team in objective C, Swift, Xcode, Java and software architecture with a minimum experience of 5 years.
I am very much interested in working on this project.
This is something we are good at it and comes under are skills set.
We can develop this software for you in MAC OS.
More details in chat
I am looking forward to hearing from you soon,
Regards,
Prabhat Tiwari