2 weeks in Japan - looking for ideas

[elanshin]

If you have an iPhone you can get a digital Suica or Pasmo card straight through the Apple Wallet. See below link, it's very easy.

Add a Suica, PASMO or ICOCA card to Apple Wallet – Apple Support (AU)

Add a Suica, PASMO or ICOCA card to Apple Wallet on your iPhone or Apple Watch to use public transport and make purchases using Apple Pay.

support.apple.com

If you already hold a physical card then you can also convert it into digital. The cards will be set in express mode, so you don't need to unlock your phone to tap at the gates.

Be careful with that, there are issues with foreign VISA cards and topping up via apple pay. MasterCard is fine, just VISA.

JR East did something a little while ago and broke VISA basically and afaik they haven't fixed it properly yet.