In Japan, travelers have two options for staying connected with mobile Internet access: a SIM card or a pocket Wi-Fi router. Here is a comparison of the two to help you decide which one is the right one for you.

SIM Card 

A SIM card is a small chip that you put into your phone or tablet. It allows you to access the Internet using the local mobile network. SIM cards are usually easy to obtain, as most convenience stores and electronics stores sell them. They are also usually quite affordable, with most plans costing around 1000 yen per month.

The greatest advantage of a SIM card is that you can use it with your existing device, as long as it is unlocked. This means you don't have to buy a new device or go through the hassle of renting one. You can also use it with multiple devices, so if you have a phone and tablet, you can use the same SIM card for both.

The downside of a SIM card is that it only works with one device at one time. So if you have multiple devices, you will need to purchase separate SIM cards for each one. Also, data speeds may not be as fast as with a pocket Wi-Fi router.

 Pocket Wi-Fi

A pocket Wi-Fi router is a small device that you can carry with you. It connects to the local mobile network and creates a Wi-Fi hotspot that you can use with multiple device It is usually more expensive than a SIM card, but it is a good choice if you need to connect multiple devices.

The greatest advantage of a pocket Wi-Fi router is that you can use it with multiple devices. You can also use it with devices that don't have a SIM card slot, such as laptops and game consoles. Data speeds are usually faster than with a SIM card, so you can enjoy a better internet experience.

The downside of a pocket Wi-Fi router is that it is more expensive than a SIM card, and it can be hard to find in Japan. Also, you need to make sure to keep it charged, as it will only last a few hours on a single charge.

All in all, both a SIM card and a pocket Wi-Fi router are good options for staying connected in Japan. which one you choose depends on your needs and budget If you only need to connect one device, a SIM card is probably the best choice. But if you need to connect multiple devices, a pocket Wi-Fi router is your way to go.

Whichever option you choose, you can be sure you will be able to stay connected in Japan.