Internet providers in Japan compared
Prices are the standard published rates and exclude campaign discounts, which change monthly. Check the price and installation needs for your building with the provider before applying.
The English pages of this site have no affiliate links: every provider link goes to the official site. The Japanese pages have affiliate links for some of the providers listed here, and we may receive a commission when someone signs up through one of them.
This page compares 6 providers. The Japanese version of this site has affiliate partnerships with 4 of them (GMO Tokutoku BB Hikari, docomo Hikari, au Hikari, SoftBank Hikari), but this English page has no affiliate links for any provider. GTN Home Internet and Sakura Fiber Internet are not affiliate partners. This is not every provider you can sign up with in Japan.
Language support: Full
- GTN Home Internet
- Sakura Fiber Internet (English, Japanese)
Language support: Japanese only
- GMO Tokutoku BB Hikari
- au Hikari
- SoftBank Hikari
- docomo Hikari
How the table is sorted: providers that take applications in languages other than Japanese come first; within that and the rest, the cheapest apartment monthly price (tax included, no campaign discounts) comes first. This is not a ranking. Prices were checked on each provider's official site (date in the last column).
| Comparison | Language support | Apartment / month | Contract | Time to connection | Checked |
|---|---|---|---|---|---|
| GTN Home Internet | Full | ¥4,180 | 2-year | 1–2 weeks Counted from document and payment registration; the official page does not say whether installation waiting time is included. | 3 October 2026 |
| Sakura Fiber Internet | Full English, Japanese | ¥7,678 | Month to month (no cancellation fee; 1-month minimum) | 1–4 weeks | 3 October 2026 |
| GMO Tokutoku BB Hikari | Japanese only | ¥3,773 | 36 months (no cancellation fee; any remaining installment balance for installation is billed in full when you cancel) | 2–8 weeks Can take longer than 8 weeks depending on the building or the time of year | 27 September 2026 |
| au Hikari | Japanese only | ¥4,180 | House 3-year / Apartment 2-year | 1–8 weeks Can take longer than 8 weeks depending on the building or the time of year | 3 October 2026 |
| SoftBank Hikari | Japanese only | ¥4,180 | 2-year | 1–4 weeks Can take longer than 4 weeks depending on the building or the time of year | 3 October 2026 |
| docomo Hikari | Japanese only | ¥4,400 | 2-year | 2–4 weeks Can take longer than 4 weeks depending on the building or the time of year | 3 October 2026 |