Seikatsu JapanSeikatsu Japan

Category

Mobile & Internet

SIM cards, Wi-Fi, phone contracts, fees, cancellation rules, and language support.

Start with the decision points

Mobile contracts in Japan can be difficult when plan pages, cancellation rules, and support desks are mainly in Japanese. Start by checking whether you need a phone number, how long you will stay, which payment methods are accepted, and whether support is available after signup.

Understand Japanese phone billsChoose a SIM cardCompare support languagesCheck cancellation rules

Recommended reading order

Use this category as a decision path: understand the basics, prepare documents and costs, compare options, then confirm the final checklist.

10 articles

Service checks

Compare support, costs, and conditions before applying

These service notes are not rankings. Use them to confirm language support, documents, fees, and cancellation rules on the official site.

ServiceLanguagesSuitable forCheck before applyingOfficial site
Mobal Japan SIMChecked: 2026-06-11EnglishNew arrivals who need English supportCheck the official plan page for current setup costs, monthly fees, and data limits.Confirm conditions
Sakura MobileChecked: 2026-06-11English, ChinesePeople who want support in English or ChineseCheck the latest fees, campaign rules, device costs, and delivery fees on the official site.Confirm conditions
GTN MobileChecked: 2026-06-11English, Chinese, Vietnamese, Tagalog, NepaliResidents who need multilingual supportCheck current monthly fees, initial fees, and supported payment methods.Confirm conditions