Yes, for most travelers in 2026, having both is the most efficient way to navigate Japan. The JR Pass is a flat-fee ticket for long-distance travel on JR-operated trains, including most Shinkansen (bullet trains). However, the JR Pass does not cover private subway lines (like the Tokyo Metro), city buses, or non-JR regional trains (like the Odakyu line to Hakone). This is where the Suica (or Pasmo/IC card) comes in. The Suica is a pre-paid, rechargeable card that you "tap and go" for almost all forms of public transit, including the subways and buses that the JR Pass misses. It also works as a digital wallet for vending machines and convenience stores. In 2026, most travelers use the digital Suica on their iPhone or Android, which can be topped up instantly. Think of the JR Pass as your "long-distance flight" and the Suica as your "local Uber/bus" money; having both ensures you never have to stand in line at a ticket machine or worry about whether a specific station accepts your pass.