Cost of living in Białystok (Poland) is 106% more expensive than in Zaporizhzhya (Ukraine)
WARNING! This comparison is based on only a few data points. At this point it is only a guess. It is based on 154 prices entered by 9 different people.
For example, you would need at least 24,755₴ (3,192 zł) in Białystok to maintain the same standard of living that you can have with 12,000₴ in Zaporizhzhya.