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Your complete resource for staying connected in Japan. Guides, comparisons, and tips to help you choose the right eSIM and enjoy seamless connectivity throughout your trip.

Ubigi Japan: review, network and comparison with PlanJapan (2026)
Comparison19 Apr 2026 8 min

Ubigi Japan: review, network and comparison with PlanJapan (2026)

TL;DR Ubigi is a French eSIM provider (subsidiary of Transatel/NTT) with a good app and varied plans for Japan. The service uses the NTT Docomo and KDDI netw...

Japan eSIM: Speed, Throughput and Real Connection Test (2026)
Comparison19 Apr 2026 8 min

Japan eSIM: Speed, Throughput and Real Connection Test (2026)

TL;DR In Japan, an eSIM on the NTT Docomo network delivers speeds of 30 to 80 Mbps on 4G LTE and 100 to 300+ Mbps on 5G — more than enough for Maps, HD strea...

VPN and eSIM in Japan: Do You Need a VPN? (2026 Guide)
Comparison19 Apr 2026 8 min

VPN and eSIM in Japan: Do You Need a VPN? (2026 Guide)

TL;DR With an eSIM connected directly to the NTT Docomo network (like PlanJapan), you get a native Japanese IP address — which means all Japanese services wo...

Best eSIM for Japan 2026: Honest Comparison and Buying Guide
Comparison05 Apr 2026 6 min

Best eSIM for Japan 2026: Honest Comparison and Buying Guide

TL;DR The best eSIM for Japan in 2026 depends on your travel style, but for most visitors, a 50 GB plan on the NTT Docomo network is the sweet spot — great c...

Japan eSIM vs Pocket WiFi: Which Should You Choose?
Comparison02 Apr 2026 5 min

Japan eSIM vs Pocket WiFi: Which Should You Choose?

For the vast majority of solo travelers or couples, an eSIM is the most convenient, affordable, and reliable way to stay connected in Japan in 2026. Pocket W...

Japan eSIM: Docomo or SoftBank — Which Network Should You Choose?
Comparison29 Mar 2026 3 min

Japan eSIM: Docomo or SoftBank — Which Network Should You Choose?

TL;DR NTT Docomo and SoftBank are Japan's two largest mobile carriers, but they're not equal. Docomo covers 99% of Japan's territory — including most rural a...

eSIM vs Physical SIM Card: Which to Pick for Japan?
Comparison26 Jul 2025 2 min

eSIM vs Physical SIM Card: Which to Pick for Japan?

Today, staying connected while traveling in Japan is essential: to use Google Maps, translate a menu, book a train or post photos on Instagram.

PlanJapan vs Ubigi, Holafly, Airalo, Saily: Full Comparison
Comparison20 Jun 2025 2 min

PlanJapan vs Ubigi, Holafly, Airalo, Saily: Full Comparison

Full comparison: PlanJapan vs Ubigi, Holafly, Airalo, SailyTravelling in Japan is an incredible experience — as long as you stay connected once you arrive. B...