We were contemplating if we should get the sim card before our trip to Switzerland and Austria, or to buy at the airport as we had bad experience in Germany. After doing our research, we decided to purchase the sim card prior the trip.
Getting a prepaid sim card in Japan can be quite simple, however, not many people will consider that as compared to a prepaid sim card and WiFi rental egg. WiFi egg can be shared with many people and sim card cost in Japan is slightly higher and does not guarantee good connectivity.
Getting a prepaid card in Munich or Germany was not as easy as I thought it would be, even though I read up on the experiences other people had. I thought of getting the sim card at the airport. However, after the research it seems like buying the Sim card