Cost of living in Ivano-Frankivs'k (Ukraine) is 63% cheaper than in Arezzo (Italy)
This comparison is lacking data. It provides a decent comparison, but it is not yet reliable. It is based on 97 prices entered by 8 different people.
For example, to keep the same standard of living that would require €2,700 in Arezzo you would need to make just about €989 (32,145₴) in Ivano-Frankivs'k.