Cost of living in Düsseldorf (Germany) is 30% cheaper than in Aarau (Switzerland)
WARNING! This comparison is based on only a few data points. At this point it is only a guess. It is based on 269 prices entered by 55 different people.
For example, to keep the same standard of living that would require CHF 6,500 in Aarau you would need to make just about CHF 4,546 (€4,027) in Düsseldorf.