Quick Answer: Japan offers three main home internet options: fiber optic (fastest, ¥4,000-6,000/month, requires installation), plug-in home routers (no installation, ¥3,000-5,000/month), and pocket WiFi (portable, ¥3,000-4,000/month). New arrivals typically start with a home router or pocket WiFi for immediate connectivity, then upgrade to fiber for long-term living.
Option 1: Fiber Optic Internet (光回線 / Hikari)
The gold standard for home internet in Japan. Fiber offers the fastest and most stable connection, typically 1 Gbps download speeds (actual: 200-600 Mbps depending on building infrastructure).
| Service | Monthly Price | Notes |
|---|---|---|
| docomo Hikari | ¥4,400–5,720 | Discount with docomo/ahamo mobile |
| SoftBank Hikari | ¥4,180–5,720 | Discount with SoftBank/LINEMO mobile |
| au Hikari | ¥4,180–5,610 | Discount with au/povo mobile |
| NURO Hikari | ¥5,200 | 2 Gbps plan, limited availability |
Pros: Fastest speeds, most stable, unlimited data, no peak-hour slowdowns.
Cons: Requires installation appointment (2-4 weeks wait, sometimes longer). May need landlord permission. Installation fee ¥16,500-44,000 (often waived with 2-year commitment).
Option 2: Plug-In Home Routers (ホームルーター)
A wireless router that plugs into a power outlet — no installation, no construction work. Uses the mobile network (4G/5G) to provide WiFi.
| Service | Monthly Price | Network |
|---|---|---|
| docomo home 5G | ¥4,950 | docomo 5G/4G, unlimited data |
| SoftBank Air | ¥3,080–5,368 | SoftBank 5G/4G, unlimited data |
| Rakuten Turbo | ¥4,840 | Rakuten 5G/4G |
| WiMAX (various providers) | ¥3,500–4,500 | au/WiMAX network |
Pros: No installation needed — plug in and connect within minutes. No landlord permission required. Easy to take when you move.
Cons: Slower than fiber (typically 30-150 Mbps actual). Can experience congestion during evening peak hours. typically need to be used at registered address only (cannot take to work).
Option 3: Pocket WiFi (モバイルルーター)
A small battery-powered device that creates a WiFi hotspot wherever you go.
| Service | Monthly Price | Data Limit |
|---|---|---|
| WiMAX (portable) | ¥3,500–4,500 | Unlimited (fair use policy) |
| Rakuten WiFi Pocket | ¥1,078–3,278 | Same as Rakuten mobile plan |
| Rental pocket WiFi | ¥3,000–5,000 | Varies by provider |
Pros: Portable — use anywhere. No installation. Useful as a temporary solution.
Cons: Needs charging (battery life 8-12 hours). Slower than fiber. Another device to carry.
Setup Timeline Comparison
| Option | Time to Connect | Contract Length |
|---|---|---|
| Fiber (Hikari) | 2–6 weeks | Typically 2 years |
| Home Router | 2–5 days (delivery) | Typically 3 years (device payment) |
| Pocket WiFi | 1–3 days (delivery) | Varies (some no-contract) |
Recommendation for New Arrivals
- Immediate: Use your mobile SIM's tethering for the first few days
- Short-term (first 1-3 months): Get a home router or pocket WiFi — no installation needed, quick setup
- Long-term: Apply for fiber internet once you're settled in your apartment and know you'll stay for a year or more
Q: Do I need landlord permission for fiber internet?
If your building already has fiber infrastructure installed (common in newer apartments), typically no. If new construction work is needed (drilling holes), you generally need permission. Ask your landlord or management company first.
Q: Can I bundle my mobile plan with home internet for a discount?
Yes. docomo + docomo Hikari, SoftBank + SoftBank Hikari, and au + au Hikari all offer bundle discounts (typically ¥500-1,100/month off the mobile plan). This can make a significant difference over time.
Disclaimer: Pricing is approximate and based on publicly available information as of early 2026. Installation fees, contract terms, and pricing may vary. Please confirm current details on each provider's official website.
