Best eSIM for Japan and How to Buy & Activate It

Staying connected while traveling in Japan is crucial, whether you’re exploring Tokyo’s neon-lit streets, visiting Kyoto’s ancient temples, or enjoying Hokkaido’s scenic landscapes. Traditional SIM cards often come with long queues, language barriers, and hidden fees, making them a hassle. Fortunately, eSIMs offer a seamless solution that allows travelers to get connected instantly without any physical SIM cards. In this guide, we’ll explore the best eSIM options for Japan and walk you through how to buy and activate them.

What is an eSIM?

An eSIM (embedded SIM) is a digital SIM that allows you to activate a mobile plan without using a physical SIM card. It enables travelers to switch networks, purchase data plans online, and stay connected without needing to visit a local store.

Why Use an eSIM in Japan?

Instant activation – No need to wait in line at the airport or visit a store.
Seamless coverage – Works across urban and rural areas in Japan.
Cost-effective – No hidden fees or overpriced roaming charges.
Flexibility – Choose a plan that suits your travel duration and data needs.
Convenience – No risk of losing or damaging a physical SIM card.

Best eSIMs for Japan

Here are the top eSIM providers for travelers in Japan:

1. Airalo Japan eSIM

Website: Airalo
Pros:
- Easy to set up via the Airalo app.
- Multiple data plans for different trip durations.
- Works in major cities and rural areas.
Cons:
- Data-only plans (no local phone number).
- No unlimited data option.

2. Ubigi Japan eSIM

Website: Ubigi
Pros:
- Offers 5G coverage in major cities.
- Various affordable data packages.
- Easy top-up via the Ubigi app.
Cons:
- Requires an internet connection for initial activation.
- No voice calls or SMS features.

3. Holafly Japan eSIM

Website: Holafly
Pros:
- Unlimited data plans available.
- Simple activation with a QR code.
- 24/7 customer support.
Cons:
- More expensive compared to other eSIM providers.
- No phone number for calls and texts.

4. Nomad Japan eSIM

Website: Nomad
Pros:
- Competitive pricing for short and long stays.
- Supports multiple devices.
- Works with major Japanese mobile networks.
Cons:
- No local phone number.
- No customer support for technical issues.

5. Sakura Mobile eSIM

Website: Sakura Mobile
Pros:
- Offers both data and voice plans.
- Great coverage, including rural areas.
- Flexible plans for tourists and business travelers.
Cons:
- Slightly higher prices compared to competitors.
- Requires identity verification for activation.

6. Japan Wireless eSIM

Website: Japan Wireless
Pros:
- Offers high-speed 4G/LTE connection.
- Multiple data plans available.
- Reliable connectivity throughout Japan.
Cons:
- Requires manual APN settings configuration.
- No option for unlimited data.

How to Buy and Activate an eSIM in Japan

Getting an eSIM for Japan is simple and can be done before or during your trip.

Step 1: Check Device Compatibility

Before purchasing an eSIM, make sure your smartphone supports eSIM technology. Most modern iPhones (iPhone XR and later) and high-end Android devices (Samsung Galaxy S20 and later, Google Pixel 4 and later) are eSIM-compatible.

Step 2: Choose an eSIM Provider

Select an eSIM provider based on your data needs, budget, and travel duration. Visit the provider’s website or download their app to browse available plans.

Step 3: Purchase and Install the eSIM

After choosing a plan, complete the purchase online.
You will receive a QR code via email or within the provider’s app.
Go to your device settings and scan the QR code to install the eSIM.

Step 4: Activate Your eSIM

Enable your eSIM in your phone’s settings.
Make sure your primary SIM is turned off (if needed) to avoid roaming charges.
Test your connection to ensure it’s working before you arrive in Japan.

Next time you travel to Japan, opt for an eSIM for a hassle-free and seamless internet experience!