If you are moving to Japan or staying long-term, getting a reliable SIM card is essential.
This guide compares the best SIM cards in Japan for foreigners based on:
- Price
- Data amount
- English support
- Contract flexibility
- Ease of application
Whether you are a student, worker, or long-term resident, this article will help you choose the best option.
Quick Comparison Table (2026)
| Provider | Monthly Cost | Contract | English Support | Best For |
|---|---|---|---|---|
| Rakuten Mobile | From ¥1,078 | No long-term contract | Partial | Heavy data users |
| IIJmio | From ¥850 | Flexible | Limited | Budget users |
| Mobal | From ¥1,650 | No contract | Full English | New arrivals |
| Sakura Mobile | From ¥2,980 | Flexible | Full English | Short-term stay |
| LINEMO | From ¥990 | No contract | Limited | Light users |
Prices may change. Always check official websites for latest details.
📱 Quick SIM Recommendation
If you want the easiest setup:
- Best Overall Value → Choose a major MVNO with strong coverage
- Best for Short-Term Stay → No long contract and low cancellation fee
- Best for Heavy Data Users → Unlimited or high-cap plan
Always confirm SIM size compatibility and ID requirements before applying.
👉 Check Official SIM Plans
👉 Compare Current Promotions
👉 Apply Online
1. Rakuten Mobile
Best overall value for residents who use a lot of data.
Pros
- Very low starting price
- No contract
- Unlimited data in many areas
- Easy online application
Cons
- Coverage weaker in rural areas
- Mostly Japanese support
Best for: long-term residents with stable address and bank account.
2. IIJmio
Best low-cost SIM for budget users.
Pros
- Very cheap plans
- Flexible data options
- Reliable Docomo network
Cons
- Website mainly Japanese
- Some setup complexity
Best for: residents comfortable with basic Japanese.
3. Mobal
Best for newcomers who just arrived.
Pros
- Full English support
- No Japanese bank account required
- Easy sign-up from overseas
Cons
- Slightly more expensive
- Limited high-data options
Best for: people who just landed in Japan.
4. Sakura Mobile
Best for short-term stays.
Pros
- English customer support
- Tourist-friendly
- Flexible duration
Cons
- Higher monthly price
- Slower speeds at peak times
Best for: students and temporary workers.
5. LINEMO
Best low-data option.
Pros
- Affordable small-data plans
- No contract
- Simple pricing
Cons
- Japanese-only support
- No physical store support
Best for: light data users who use Wi-Fi most of the time.
SIM Card vs Pocket WiFi
If you are unsure whether to choose a SIM or Pocket WiFi:
Choose a SIM if:
- You stay long-term
- You want lower monthly costs
- You use one device
Choose Pocket WiFi if:
- You need internet for multiple devices
- You move frequently
- You want simple setup
(See our full comparison guide: Pocket WiFi vs SIM Card in Japan)
How to Apply for a SIM Card in Japan
You usually need:
- Residence card
- Japanese address
- Bank account or credit card
- Phone compatible with Japanese bands
Delivery typically takes 2–5 days.
Some providers allow airport pickup.
Average Monthly Cost in Japan
For residents:
- 3GB plan → ¥900–¥1,500
- 10GB plan → ¥1,500–¥2,500
- Unlimited → ¥2,000–¥3,500
Short-term tourist SIMs are usually more expensive.
Which SIM Should You Choose?
Long-term resident with stable job
→ Rakuten Mobile
Budget-focused user
→ IIJmio
Just arrived, no bank account yet
→ Mobal
Staying 3–6 months
→ Sakura Mobile
Final Recommendation
For most foreign residents living long-term in Japan, Rakuten Mobile offers the best balance of price and flexibility.
However, if you need English support and easy onboarding, Mobal is the safest choice.
Choose based on:
- Length of stay
- Japanese language ability
- Budget
- Data usage
Disclaimer
Plan prices, data limits, and contract conditions change frequently.
This article is for informational purposes only and does not constitute financial or contractual advice. Always confirm the latest details on the official website of each provider before applying.
📱 Quick SIM Recommendation
If you want the easiest setup:
- Best Overall Value → Choose a major MVNO with strong coverage
- Best for Short-Term Stay → No long contract and low cancellation fee
- Best for Heavy Data Users → Unlimited or high-cap plan
Always confirm SIM size compatibility and ID requirements before applying.
👉 Check Official SIM Plans
👉 Compare Current Promotions
👉 Apply Online
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