Cost of living in Stuttgart (Germany) is 8% more expensive 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 494 prices entered by 61 different people.
For example, you would need at least Dirham 23,729 (€5,679) in Stuttgart to maintain the same standard of living that you can have with Dirham 22,000 in Al Ain.