Cost of living in Niš (Serbia) is 53% cheaper than in Al Ain (United Arab Emirates)
This comparison is lacking data. It provides a decent comparison, but it is not yet reliable. It is based on 600 prices entered by 28 different people.
For example, to keep the same standard of living that would require Dirham 21,000 in Al Ain you would need to make just about Dirham 9,809 (279,816 Дин.) in Niš.