Pocket WiFi Japan Guide

What Is Pocket WiFi?

A portable router that provides WiFi for multiple devices simultaneously. Rent it, carry it in your pocket, and all your devices connect. Popular for groups and travelers without eSIM-capable phones. — book via Airalo eSIM for the best deal.

Where to Rent

Airport counters: Available immediately on arrival at Narita, Haneda, KIX, and Chitose airports. Providers: Softbank WiFi, IIJ, Japan WiFi Buddy, B-Mobile.
Delivered to hotel: Order online before departure; device arrives at your hotel. Return via prepaid envelope. Most convenient option.
Collected at airport: Pre-order online and pick up at designated counter. Avoids queuing.

Plans and Prices

Daily unlimited: ¥600–900/day
Daily 1–3GB: ¥400–600/day
Note: “Unlimited” often throttles after 500MB–1GB per day to 200kbps. Adequate for maps and messaging, not streaming.

Pros vs eSIM

Advantages: Works for multiple devices, works on any phone, often unlimited plans
Disadvantages: Extra device to carry and charge (8–12h battery), must return at end of trip, can be slow when throttled

Recommendation

Solo traveler with a compatible phone: choose eSIM instead — simpler and usually cheaper. Group of 2–4 sharing devices: pocket WiFi makes sense for the shared value.