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Japan

4 SIM notes · 1 coworking city

eSIM / SIM

1 warning

eSIMBNESIM / Yoho / ESIM888Watch outAtlas research

Onlineyesterday

Repeated complaints: no refunds and connections that drop. Skip these brands for Japan unless you already know they work on your device.

eSIMUbigiAtlas research

10 GB / 7 days$14Online5G4mo ago

Popular Japan eSIM. A May 2026 traveler had signal in Tokyo, Hiroshima, Fukuoka and Sapporo; only a rural pocket in Chiba dropped. Gave a local IP with no geo-blocks.

eSIMBambooSIMAtlas research

Unlimited / 7 days$24.74Onlineyesterday

Unlimited-style Japan travel eSIM for a week. Pricier than Ubigi's 10 GB pack, useful if you are tethering or uploading a lot.

LocalSakura Mobile / Mobal / IIJmioAtlas research

Onlineyesterday

Physical tourist SIMs still used when you want a Japanese number or longer stays. Sakura Mobile, Mobal and IIJmio are the names travelers keep repeating.

Coworking

Tokyo & Osaka

Highest approval scores, but cafe wifi is surprisingly slow. Traditional kissaten and some independents ban laptops and calls. Manga/net cafes give a private booth and wired internet for about ¥400–600/hour.

WeWork · The Hive · Impact Hub · Fabbit · Starbucks Japan · Tully's · Doutor · Manga / net cafe