Cost of living in Ivano-Frankivs'k (Ukraine) is 80% cheaper than in Zurich (Switzerland)
This comparison is lacking data. It provides a decent comparison, but it is not yet reliable. It is based on 803 prices entered by 131 different people.
For example, to keep the same standard of living that would require CHF 8,200 in Zurich you would need to make just about CHF 1,669 (46,845₴) in Ivano-Frankivs'k.