Cost of living in Jeddah (Saudi Arabia) is 29% cheaper than in Al Ain (United Arab Emirates)
WARNING! This comparison is based on only a few data points. At this point it is only a guess. It is based on 835 prices entered by 102 different people.
For example, to keep the same standard of living that would require Dirham 18,000 in Al Ain you would need to make just about Dirham 12,803 (﷼ 13,073) in Jeddah.