Cost of living in Düsseldorf (Germany) is 29% 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 260 prices entered by 54 different people.
For example, to keep the same standard of living that would require CHF 6,800 in Aarau you would need to make just about CHF 4,861 (€4,276) in Düsseldorf.