Pocket WiFi for Japan

A Pocket WiFi is a portable wireless router that provides high-speed internet access across Japan. It is a popular option for travelers who need to connect multiple devices at the same time, such as smartphones, tablets, and laptops.

Key Features

Connectivity: Supports up to 5 devices simultaneously

Speed: High-speed internet (up to 150 Mbps) with unlimited data

Flexibility: Rental periods from 5 to 30 days

Pricing: From $54.79 for 5 days or $150.55 for 30 days

Pros

Ideal for groups or families traveling together

Easy pickup at airports or hotels

Reliable and fast coverage throughout Japan

Unlimited data usage

Cons

Requires frequent charging

4 hours via wall socket

9 hours via USB

Must be carried at all times to stay connected

Device must be returned after use (pre-paid return envelope provided)

Internet access is limited if your group splits up

Loss or damage fee of 20,000 yen if the device is lost

Pocket WiFi is best suited for travelers with multiple devices who stay together throughout the trip.

Data SIM Card for Japan

A Japan data SIM card allows you to access Japan's high-speed mobile networks directly from your smartphone. This option is ideal for solo travelers with an unlocked phone.

Key Features

Connectivity: High-speed mobile internet

Data Plans: 50GB or 100GB options available

Validity:

15 days – $45.12

30 days – $51.75

Compatibility: Micro and Nano SIM sizes

Pickup: Delivered to airport or hotel in Japan

Pros

Lightweight and easy to use

No additional device or charging required

Cost-effective for longer stays

Works on all unlocked iPhones, iPads, and Android devices

No return required—discard after use

Cons

Phone must be unlocked

Requires physically swapping SIM cards

Can only be used on one device

Data only (no voice calls or SMS)

eSIM for Japan

An eSIM is a digital SIM card that you install by scanning a QR code—no physical card is required. It connects you instantly to premium high-speed mobile networks in Japan.

Key Features

Setup: QR code activation before or during your trip

Data Plans: 10GB or 20GB options available

Validity: Up to 30 days

Compatibility: Works on eSIM-enabled smartphones and devices

Pros

Instant activation—no shipping or pickup required

No extra device to carry

Environmentally friendly (no plastic SIM card)

Can be re-downloaded on the same device if needed

Ideal for short-term travelers and solo users

Cons

Requires an eSIM-compatible device

Can only be used on one device at a time
(hotspot sharing is possible)

Pocket WiFi vs SIM Card vs eSIM

Each internet option in Japan serves a different type of traveler:

Pocket WiFi: Best for groups and multiple devices

SIM Card: Best for solo travelers with unlocked phones

eSIM: Best for convenience, instant setup, and modern devices

To help you choose the right option, we provide a full comparison table outlining cost, convenience, compatibility, and usage scenarios—so you can select the best internet solution for your Japan trip.