freedom4u

In general it is a great app. But be aware that you may end up paying a lot more for your ticket than necessary because the ticket suggestion can be very bad when your journey goes from one transportation network (Verkehrsverbund) to the next one. Here is an example: Going from Andelfingen to Einsiedeln. The app tells you a ticket price of CHF 67.20 with a Z-Pass Schwyz/Zug-ZVV Day pass. (Full price fare, roundtrip, 2nd class, on a Sunday). The last station in the Zürcher Verkehrsverbund is Schindellegi-Feusisberg which is also in the Tarifverbund Schwyz. So if you get a roundtrip ticket from