Our articles
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.
Airalo Japan review: honest test and eSIM comparison (2026)
TL;DR Airalo is a well-known eSIM platform that offers plans for Japan, but there are limitations you should know before buying: SoftBank network (less relia...
Internet in Japan: The Complete Guide to Staying Connected (2026)
TL;DR To get internet in Japan in 2026, the simplest and most reliable solution for the vast majority of travelers is the eSIM: instant activation by QR code...
Saily Japan Review: Prices, Network & Honest Assessment (2026)
TL;DR Saily is the eSIM launched by NordVPN, offering competitive prices, a polished app and solid built-in security features. For Japan, plans range from 1 ...
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...
Dual SIM in Japan: Use Your eSIM and SIM at the Same Time
TL;DR With dual SIM, you keep your home SIM card for calls and texts while using a PlanJapan eSIM for data in Japan. Setup takes 2 minutes: just assign the d...
Data-Only eSIM: Do I Keep My Phone Number? (2026)
TL;DR Yes, you keep your phone number. The PlanJapan eSIM is data only: it provides internet connectivity in Japan only (NTT Docomo network). Your primary SI...
Free WiFi in Japan: Where to Find It & Why It's Not Enough
TL;DR Free WiFi exists in Japan â in train stations, konbini, hotels and some cafes â but it's slow, unstable, often limited to 15-30 minutes and rarely avai...
eSIM Japan in Osaka: Coverage, Subway, and Connected Street Food
TL;DR Osaka has excellent 4G/5G coverage on the NTT Docomo network, including in the subway, the pedestrian streets of Dotonbori, and all the way to Universa...
eSIM Japan in Tokyo: 5G Coverage and Neighborhood-by-Neighborhood Guide
TL;DR Tokyo is one of the best-covered cities in the world for mobile networks. With an eSIM on the NTT Docomo network, you get a stable 4G/5G connection in ...
eSIM Japan: Common Problems and How to Fix Them
TL;DR Most eSIM problems in Japan can be fixed in under 2 minutes. The most common causes: data roaming isn't enabled, the eSIM isn't selected for cellular d...
Preparing Your Japan Connection: Complete Checklist Before Departure
TL;DR Preparing your internet connection before traveling to Japan takes 4 steps spread over one week: check your phone's compatibility and order an eSIM (D-...
eSIM Japan Autumn: Stay Connected During the Koyo Season (Guide 2026)
TL;DR Japanese autumn (October to December) offers a unique spectacle with the koyo â fall foliage that sets the archipelago ablaze from north to south. Betw...