Traveling in Japan is an amazing experience, but staying connected can be challenging, especially if you need access to reliable internet for maps, translation tools, or social media. Public Wi-Fi is available in tourist-heavy areas, but it’s not always convenient or fast.
This makes getting a dedicated SIM card for your trip a practical solution. Here’s everything you need to know about the best SIM card options for tourists in Japan in 2024.
Why Do Tourists Need a SIM Card in Japan?
Many international travelers rely on mobile data for smooth navigation, accessing train schedules, or staying connected with friends and family.
While Japan offers free Wi-Fi hotspots in select locations like airports, train stations, and some cafes, the coverage isn’t comprehensive. Having a tourist SIM card ensures you’re connected at all times, without interruptions or dependence on public Wi-Fi.
Types of SIM Cards for Tourists
You’ll find two main categories of SIM cards in Japan:
Data-Only SIM Cards: These are perfect if you only need access to the internet and plan to use apps like WhatsApp, Google Maps, and Instagram.
Voice + Data SIM Cards: These come with a local Japanese number, allowing you to make and receive calls along with data usage.
Additionally, eSIMs are becoming increasingly popular. They allow you to activate a plan digitally without needing to replace a physical SIM card.
Best SIM Card Providers for Tourists in Japan
Mobal
Plan: 30 days with unlimited data (7GB at high speed)
Cost: Starting at $39 per month
Pickup Options: Delivery to your hotel or airport, free worldwide shipping
Additional Features: Comes with a local phone number and pre-activation, meaning you can use it as soon as you land.
Best For: Long-stay travelers or those needing voice and SMS capabilities.
Sakura Mobile
Plans: 8, 15, or 30 days with up to 25GB of high-speed data
Cost: Starting at around $31
Pickup Options: Can be delivered to your hotel, airport, or home before departure
Notable Feature: 24/7 customer service and user-friendly activation guide.
Best For: Tourists looking for flexible plans and reliable customer support.
Ninja WiFi SIM
Plan Options: 7 days with 1GB/day or 30 days with 20GB total
Cost: ¥3,795 (7 days), ¥5,049 (30 days)
Pickup Points: Airports, hotels, or vending machines across Japan
Special Features: Known for great pocket Wi-Fi rental options, with some plans including unlimited data.
Best For: Tourists who need a short-term SIM with generous data limits.
IIJmio Travel SIM
Plan: 3GB valid for 30 days
Cost: ¥2,480, available in electronics stores like Bic Camera and Yodobashi
Unique Feature: Plans are available only for purchase in Japan.
Best For: Travelers who prefer buying SIM cards locally after arrival.
How to Buy a SIM Card in Japan
Pre-Order Online
Many providers, such as Mobal and Sakura Mobile, allow you to order SIM cards online before your trip. They can deliver the SIM to your home, hotel, or an airport pickup location.
Purchase at Airports
Airports like Narita, Haneda, and Kansai International have vending machines and kiosks offering pre-activated SIM cards. This is a convenient option if you didn’t buy one before arrival.
Local Retail Stores
Electronics stores like Bic Camera, Yodobashi Camera, and Kojima sell a variety of travel SIMs. The IIJmio Travel SIM is a popular choice here. You may also find good deals and discounts when purchasing in-store.
eSIM: The Future of Connectivity
If your phone supports eSIM technology, it offers a hassle-free solution for staying connected. Providers like Airalo and Holafly offer eSIMs tailored to tourists. Plans include 1GB (valid for 7 days) at $4.50, or 10GB (valid for 30 days) at $18. eSIMs allow instant activation without needing to swap out physical SIM cards, making them ideal for travelers visiting multiple countries.
Comparing SIM Card Plans for Tourists
| Provider | Duration | Data | Price (Approx.) | Notable Features |
| Mobal | 30 days | 7GB at high speed, unlimited after | $39 | Pre-activated, voice + SMS |
| Sakura Mobile | 30 days | 25GB | $31 | Flexible delivery options |
| Ninja WiFi SIM | 15 days | 1GB/day | ¥4,422 (~$30) | Pocket Wi-Fi option available |
| Airalo eSIM | 30 days | 10GB | $18 | Digital-only, easy activation |
Things to Keep in Mind
Phone Compatibility: Ensure your phone is unlocked and supports Japanese networks. Some devices may not be compatible with Japan’s 4G/5G networks.
Data Usage Limits: While some plans offer unlimited data, high-speed access may be capped. Check the fair usage policy for each provider.
Voice and SMS: If you need a local phone number, opt for SIMs like Mobal that offer voice services. Some data-only SIMs may not support calling.
Network Coverage: Japan has excellent coverage across urban areas, but some remote regions might experience weak signals. Stick to providers known for reliability, like Docomo and SoftBank networks, which power many tourist SIMs.
FAQs
Q: How much do Japan SIM cards cost?
A: Prices for Japan SIM cards vary depending on the provider, data plan, and duration. You can generally expect to pay between ¥2,000 and ¥5,000 for a basic plan. Some providers offer discounts for longer stays or multiple SIM cards.
Q: Where can I buy a Japan SIM card?
A: You can purchase a Japan SIM card at the airport, convenience stores, or online. Buying online can be convenient, as you can have the SIM card delivered to your accommodation before you arrive in Japan.
Q: Do I need to unlock my phone to use a Japan SIM card?
A: Yes, your phone must be unlocked to use a Japan SIM card. Check with your mobile carrier to determine if your phone is unlocked or if you need to unlock it.
Q: How do I activate my Japan SIM card?
A: The activation process varies depending on the provider. Generally, you will need to insert the SIM card into your phone, follow the on-screen instructions, and then activate your plan online or by calling customer support.
Q: What is an eSIM and how does it work?
A: An eSIM is a digital SIM card that is embedded in your device. It allows you to activate a mobile plan without needing a physical SIM card. To use an eSIM, you will need a compatible device and an eSIM plan from a provider like Airalo.
Q: What is the best data plan for a Japan tourist?
A: The best data plan for you depends on how much data you need and how long you will be in Japan. If you plan to use your phone heavily for navigation, social media, and streaming, you will need a larger data plan. However, if you only need to check emails and use basic apps, a smaller plan may be sufficient.
Conclusion
Getting a SIM card in Japan ensures you stay connected throughout your trip, whether for navigation, communicating with locals, or sharing your experiences online.
Providers like Mobal and Sakura Mobile are excellent for longer stays, offering both voice and data services, while Ninja WiFi provides great short-term data options. If your phone supports eSIM, platforms like Airalo make connectivity even easier.
Choose the plan that fits your travel needs and enjoy seamless internet access in Japan! Whether you’re in bustling Tokyo or exploring the serene countryside, having a reliable SIM card will enhance your travel experience and keep you connected wherever you go.
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