Which is better: pocket WiFi or SIM card?

Pocket WiFi for groups or multiple devices. SIM card if traveling solo with one unlocked phone. Pocket WiFi has better coverage in rural areas and no phone compatibility issues.

Can I use my home country's roaming plan?

Roaming works but costs $10-15 per day minimum. Pocket WiFi or local SIM saves money for stays over 3 days. Check roaming rates before relying on home carrier.

Does free WiFi work well in Japan?

Limited and unreliable. Major stations and convenience stores have it, but requires registration at each location. Speed varies and connection drops frequently. Better as backup than primary internet.

What if my phone isn't unlocked?

Contact your carrier to unlock before travel, or rent a pocket WiFi device. Most phones can be unlocked for international travel. iPhone users can check in Settings > General > About.

How fast is internet in Japan?

Very fast. 4G LTE speeds average 20-50 Mbps. 5G available in major cities with speeds over 100 Mbps. Rural areas still get good 4G coverage on major networks.

How to Get Internet and WiFi in Japan

Get connected in Japan through pocket WiFi rentals (most reliable), SIM cards, or eSIMs. Pocket WiFi devices cost ¥500-800 per day and work nationwide. Free WiFi exists but is limited and requires registration at each hotspot.

Choose your connection method before arrival. Pocket WiFi offers best coverage and speed for groups. SIM cards work for unlocked phones. eSIMs are convenient for compatible devices. Data-only plans are cheapest—voice calls expensive in Japan.
Book pocket WiFi online 3-7 days ahead. Reserve through Japan Wireless, WiFiBB, or Global WiFi. Pick airport pickup or hotel delivery. Battery lasts 6-8 hours, supports 5-10 devices. Unlimited data plans cost ¥600-800 daily.
Buy SIM card on arrival or order ahead. Available at Narita/Haneda airports, convenience stores, and electronics shops. IIJmio, B-Mobile, and Mobal offer tourist SIMs. 15GB for 30 days costs ¥3,000-4,000. Bring passport and unlocked phone.
Set up eSIM before or during travel. Download eSIM app (Airalo, Ubigi, or carrier apps) before departure. Purchase Japan data plan and activate on arrival. iPhone XS or newer, Google Pixel 3 or newer support eSIM.
Register for free WiFi as backup. Download Japan WiFi app or register at individual hotspots. Available at convenience stores, train stations, and some cafes. Connection requires email registration and has time limits per session.

Which is better: pocket WiFi or SIM card?: Pocket WiFi for groups or multiple devices. SIM card if traveling solo with one unlocked phone. Pocket WiFi has better coverage in rural areas and no phone compatibility issues.
Can I use my home country's roaming plan?: Roaming works but costs $10-15 per day minimum. Pocket WiFi or local SIM saves money for stays over 3 days. Check roaming rates before relying on home carrier.
Does free WiFi work well in Japan?: Limited and unreliable. Major stations and convenience stores have it, but requires registration at each location. Speed varies and connection drops frequently. Better as backup than primary internet.
What if my phone isn't unlocked?: Contact your carrier to unlock before travel, or rent a pocket WiFi device. Most phones can be unlocked for international travel. iPhone users can check in Settings > General > About.
How fast is internet in Japan?: Very fast. 4G LTE speeds average 20-50 Mbps. 5G available in major cities with speeds over 100 Mbps. Rural areas still get good 4G coverage on major networks.