Staying connected in Japan can be a major challenge, whether you are here for a two-week vacation or moving here for good. For short-term travelers, the struggle often lies in avoiding expensive, slow roaming speeds and navigating confusing prepaid options at the airport. For long-term residents, the hurdles are even higher, involving strict screening processes, mandatory Japanese bank accounts, and complex two-year contracts.
Sakura Mobile has grown through high customer ratings and word-of-mouth from real users by consistently solving the connectivity challenges visitors and residents face in Japan. This guide explains why Sakura Mobile is trusted by international travelers and residents, and helps you choose the best SIM, eSIM, or WiFi plan for your stay in Japan.
Why Choose Sakura Mobile? (3 Powerful Reasons)
Before comparing products, here is why Sakura Mobile stands out across all our services:
- In-Person Support at Airports and in Tokyo: We understand that reliable, face-to-face support is key to giving our customers peace of mind. We have self-operated counters at Kansai International and Fukuoka airports for on-the-spot setup. We also offer easy pickup at Narita and Haneda, plus direct support at our Shinjuku office in Tokyo.


- Uncompromising "Local Network" Quality: Many global eSIMs use "roaming," routing data through foreign servers, which causes lag. Sakura Mobile connects directly to Japan's top networks (docomo, au, and SoftBank) for the same high-speed, stable connection that locals use daily.
- 100% English Support & Total Transparency: Whether you are visiting for two weeks or moving here for years, dealing with Japanese tech services can be frustrating. We provide end-to-end English support—from our website and setup manuals to our customer service team. Plus, our pricing is completely transparent from day one, with no hidden fees or confusing traps.
Short-Term & Tourist Products (Under 90 Days)

Whether you are exploring the neon streets of Tokyo or hiking in the peaceful mountains of Hokkaido, reliable internet is essential. Our Travel Products are designed to get you connected the moment you land, with zero setup hassle and no complicated return processes. Let's find the best fit for your trip.
General Overview
- Best For: Tourists, business travelers, and temporary returnees.
- Feature: These are "data-only" plans (no phone number included).
- Device Requirement: To use a SIM or eSIM, your smartphone must be SIM-unlocked. If your phone is locked to your home carrier, don't worry—our Travel Pocket WiFi works perfectly with any device!
- Network Quality: All Travel products feature 100% local routing, connecting you directly to Japan's top networks. Unlike cheap roaming eSIMs, you get zero lag and high-speed data.
💡 Bundle Discount: Purchase 2 or more Travel products (any combination of SIM, eSIM, or WiFi) and get 10% OFF the total amount!
Travel eSIM (5G/4G)
- Best For: Travelers with eSIM-compatible smartphones who want to get connected instantly.
- Key Benefit: Instant QR Activation. You can keep your home country's SIM active. Available in 5G Truly Unlimited (au network) and 4G data (docomo network).
Travel Physical SIM Card (5G/4G)
- Best For: Travelers who prefer the simplicity of a traditional physical card they can just "pop in."
- Key Benefit: Full compatibility. It works with most unlocked smartphones. Available in both 5G Truly Unlimited (au network) and 4G data (docomo network).
Travel Pocket WiFi (docomo Network)
- Best For: Families, groups, or individuals traveling with multiple devices.
- Benefits: Connects up to 15 devices (though we recommend around 5 for the best speed). It features a long battery life and is the most cost-effective way to keep a whole group online.
FAQ: Travel Plans
- Q: Can I make normal phone calls with the Travel eSIM/SIM?
A: No, our Travel plans are data-only. They do not include a Japanese phone number (070/080/090). However, you can freely use internet-based calling apps like WhatsApp, LINE, FaceTime, or Skype. If you need a traditional phone number, please check out our Monthly plans.
- Q: What payment methods are accepted?
A: We accept major international credit/debit cards and PayPal for all Travel products.
- Q: eSIM vs. Pocket WiFi: Which is better for my trip?
A: If you are traveling solo and have an unlocked, eSIM-compatible smartphone, the eSIM is the fastest and most convenient choice. If you are traveling with family or a group, the Pocket WiFi is more cost-effective as it allows up to 15 devices to share one secure connection. However, the WiFi range is only about 10-15 meters. If your group plans to split up or explore separately, buying multiple eSIMs or using a combination of Pocket WiFi and eSIMs is highly recommended.
- Q: What if the eSIM or SIM card does not work on my phone?
A: If you add our "Compatibility Insurance" at checkout, we can provide a Pocket WiFi as a free replacement or issue a full refund if your device turns out to be incompatible. We highly recommend adding this option for your peace of mind.
- Q: Will I receive my eSIM immediately after purchase?
A: Yes! Along with your purchase confirmation email, you will receive a second email containing your eSIM information. You can install it and start using your data immediately after purchase.
FAQ
Long-Term & Resident Products (1 Month+)

Moving to Japan means dealing with a lot of paperwork, from ward office registrations to apartment hunting. Your mobile and internet setup shouldn't be part of the headache. Our monthly plans are designed so the usual carrier roadblocks never become an issue—giving you the stability of a local plan with the flexibility expats actually need.
General Overview
- Best For: Students, expats, and long-term residents.
- Features: No 2-year binding contracts. The minimum usage period is just 1 calendar month.
💡 Loyalty Benefit: Existing monthly users get a discount on the initial fee when adding a second line!
Mobile Identity: Voice + Data or Data-Only SIM
- Voice + Data SIM/eSIM (docomo Network): Includes a Japanese 070/080/090 number, which is essential for opening a bank account or signing a lease. You can get a Japanese phone number even without a Japanese bank account—just use an international credit card.
- Data-Only SIM/eSIM (docomo Network): Perfect for tablets, work devices, or backup internet connections that do not require a phone number.
Portable Flexibility: Monthly Pocket WiFi
- Best For: Digital nomads, remote workers, or those in temporary housing who need internet on the go.
- Key Benefits: Powered by the SoftBank 4G LTE network, offering high-capacity data (up to 100 GB/200 GB) in a compact, portable device.
Home Internet: Sakura Home WiFi & Fiber
- Sakura Home WiFi (Plug-and-Play): Those who can't do fiber construction, prefer not to have technicians in their home, or may move soon. Just plug it into an outlet for instant high-speed internet. It is highly recommended for its simplicity and is a favorite among our staff and anyone looking for a hassle-free setup.
- Sakura Fiber Internet (High-Speed Cable): The ultimate choice for remote workers and gamers. We provide direct Japanese communication support, including coordinating with installation teams and assisting with landlord negotiations to ensure a smooth setup process.
FAQ: Monthly Plans (Voice & Data SIM, Home Internet)
- Q: Can I pay my monthly bill without a Japanese bank account?
A: Yes! This is a major reason expats choose us. We accept most international credit and debit cards (Visa, Mastercard, AMEX, JCB, Discover), so you can set up your phone line before your bank account is ready. If your card does not work, cash payment at convenience stores (Smart Pit) may be available for some plans.
- Q: What is the cancellation policy? Am I locked in for a year?
A: No, we do not have 2-year binding contracts. Our minimum usage period is just 1 calendar month. If you need to cancel your plan, simply submit a request by the 25th of the month, and your cancellation will take effect at the end of that current month.
(Note: If you are requesting a plan change, the new plan will be applied from the following month).- Q: My Residence Card (Zairyu Card) expires in a few months. Can I still apply?
A: Yes. Unlike major carriers that require a visa valid for over a year or two, we accept applications from users with shorter remaining validity on their residence cards. However, your current residential address must be officially registered on the card.
- Q: How long does it take to get Home Internet set up?
A: It depends on the product you choose:
- Sakura Home WiFi: We ship the device on the same or next business day after confirming your application.
- Sakura Fiber Internet: It takes about 1 week if the fiber line is already installed in your building, or 3 weeks to 1.5 months if new construction is required (due to scheduling with the construction company).
FAQ
Note: If you need internet immediately before your fiber installation date, we offer a convenient Pocket WiFi rental option to keep you connected.
Conclusion

Whether for a short trip or a long-term relocation, the stress of a poor internet connection can ruin your experience in Japan.
Sakura Mobile seamlessly connects your stay with local network quality, extensive in-person support, and flexible plans designed for international users. Choose the plan that best fits your lifestyle and start your comfortable internet life today!