Blog10 Best Japan eSIM Options for Tourists

10 Best Japan eSIM Options for Tourists

Traveling to Japan for work or vacation is an exciting experience, but managing your mobile connectivity with a traditional SIM card can quickly become a headache. You have to swap SIM cards and deal with roaming charges, which can be time-consuming, expensive, and stressful.

Luckily, there’s an easier solution - an eSIM or a digital SIM card. With an eSIM for Japan, you can activate your mobile service as soon as you arrive, choose from flexible data plans, and avoid costly roaming fees.

Whether you’re visiting Japan for a short vacation or staying longer, this article will guide you on the best Japan eSIM to help you stay connected easily during your trip.

Keep reading!

Key Highlights:

  • A Japan eSIM offers instant activation, flexible plans, and helps avoid roaming charges for travellers.
  • Most Japanese eSIM providers let you choose from flexible data plans—daily, monthly, or long-term—depending on your usage and needs.
  • The top eSIM providers for Japan in 2025 include Ubigi, Airalo, Holafly, Jetpac, Mobal, Saily, Japan Wireless, Sakura Mobile, Nomad, and KKday.
  • Look for strong network coverage, fair pricing, device compatibility, and responsive customer service when choosing a Japan eSIM service provider.
10 Best Japan eSIM for Travellers | Top Picks of 2025

Why Do You Need a Japan eSIM?

A Japan eSIM offers instant and cost-effective connectivity without the hassle of swapping SIM cards for travellers. It’s easy to set up and often comes with flexible data plans.

  • Instant Connectivity: Activate your mobile service immediately upon arrival in Japan.
  • Flexible Data Plans: Choose from a variety of data packages, ranging from 1 GB to unlimited data, to suit your travel needs.
  • Cost-Effective: Avoid high roaming charges by opting for affordable eSIM plans tailored for Japan.
  • Easy Setup: Most often, you can easily set up the eSIM by scanning a QR code or entering a code provided by your carrier.
  • No SIM Swapping: Eliminate the hassle of purchasing and swapping physical SIM cards during your trip.

Make Calls & Texts Anywhere in Japan with a Virtual Number

Top 10 Providers of Japan eSIMs

1. Ubigi

Ubigi is one of the most trusted providers of eSIM for Japan travel. It operates on major Japanese networks, like NTT Docomo and KDDI, offering robust 4G and 5G coverage across cities and rural areas.
ubigi homepageRegarding the data plan, there are various options available from one-time use to unlimited. Moreover, its mobile app allows you to manage multiple eSIMs from a single device, while also offering real-time data tracking and quick top-ups.
 

Key Features

  • Reusable eSIM
  • Data Sharing
  • Multi-Device Support

Pricing

Plan

Data Allowance

Validity

Price

Expo 2025 Japan

1 GB3 days$3.5
5 GB15 days$12
20 GB30 days$30

Japan

1 GB30 days$4
3 GB15 days$8
10 GB7 days$14
10 GB30 days$17
Unlimited7 days$26
24 GB (2 GB per month)12 months$29
25 GB30 days$34
50 GB30 days$59
Unlimited30 days$69
60 GB (5 GB per month)12 months$78

2. Airalo

Airalo offers eSIM for Japan travellers and locals. Recognized as the world’s first eSIM marketplace and also one of the best eSIM card providers for international travel, it provides flexible data allowances tailored to your specific requirements. You can manage your plan directly from the app, where you can check data usage, monitor the validity period, and top up when needed.

Airalo also offers 24/7 support through live chat, which helps resolve any issues instantly.
airalo homepage

Key Features

  • Multi-eSIM Storage
  • Intuitive Mobile App
  • Expansive Global Coverage

Pricing

Data

Validity

Cost

1 GB

7 days$4.50

2 GB

15 days$6.50

3 GB

30 days$8.50

5 GB

30 days$11.50

10 GB

30 days$18.00

20 GB

30 days$26.00

3. Holafly

Holafly’s Japan eSIM is perfect for users looking for data usage only, no calls or SMS. It offers unlimited data with each plan, so you don’t need to worry about running out of internet connectivity when traveling the country. Moreover, you can choose a plan for the exact number of days you need, from 1 to 90 days. The price per day gets lower the longer the plan you choose.
holafly homepage

Key Features

  • Unlimited Data Plans
  • 24/7 Customer Support
  • Fast and Reliable Connection

Pricing

Data  Plan

Validity

Price

Unlimited

1 days$6.90
7 days$29.90
15 days$50.90
30 days$74.90
60 days$106.90
90 days$139.90

4. Jetpac

Jetpac offers travel eSIM for Japan with flexible data packages. It offers long-term data plans with a validity period of up to a full year. This makes it suitable for long-term travellers.

jetpac homepageJetpac also provides extra travel services through its app. This includes Smart Delay, which gives you free airport lounge access if your flight is delayed.
 

Key Features

  • Smart Delay Lounge Access
  • Competitive Pricing
  • Fast Track

Pricing

Data  Allowance

Validity

Price

1 GB

4 days$1

3 GB

7 days$7

5 GB

30 days$10

10 GB

30 days$17

15 GB

30 days$19.98

20 GB

30 days$40

30 GB

30 days$29.99

40 GB

30 days$34.99

Unlimited

7 days$24.99

Unlimited

10 days$31.99

5. Mobal

Mobal offers Japan eSIMs for travel for both short trips and longer stays. Unlike many data-only eSIMs, it provides plans that come with a local phone number. With local phone numbers, it offers free incoming calls, while outbound calls are charged at local rates.

Additionally, you can purchase its eSIM without any contracts, so you can cancel at any time.
mobal homepage

Key Features

Pricing

Data Plan

Price (monthly)

1 GB

$11.47

5 GB

$22.18

10 GB

$25.24

30 GB

$30.44

6. Saily

Saily, developed by Nord Security, offers a secure and budget-friendly eSIM for Japan. Its plans start at just $3.99 for 1 GB over 7 days, with strong coverage via top Japanese networks.
saily homepageBeyond the strong coverage, it offers a set of built-in security features that come with the app. Saily’s online web protection blocks malicious sites and helps you browse safely on public Wi-Fi. You can also change your virtual location while browsing public networks. You don’t have to pay extra for these features; they are included with any eSIM plan.
 

Key Features

  • Ad-blocking
  • Web Protection
  • Affordable Plans

Pricing

eSIM Data Plan

Validity

Price

1 GB

7 days$3.99

3 GB

30 days$7.99

5 GB

30 days$10.99

10 GB

30 days$17.99

20 GB

30 days$24.99

Unlimited

15 days$49.99

7. Japan Wireless

Japan Wireless offers both pocket Wi‑Fi and Japan eSIM plans. The eSIM is available in daily and monthly options, making it suitable based on the user’s varying needs.

japan wireless homepageJapan Wireless is also known for easy setup. After you buy a plan, it emails you a QR code. You just need to scan it with your phone, follow the instructions, and your eSIM is ready to use.
 

Key Features

  • Affordable Data Plans
  • Reliable Connection
  • Easy Setup

Pricing

Data Package

Data

Price

Data Plan (monthly)

5 GB$11.20
10 GB$15.70
30 GB$36.70

Daily Plan (per day)

500 MB$1.20
1 GB$1.50
2 GB$2.10

8. Sakura Mobile

Sakura Mobile is a trusted Japan eSIM provider with over 400K users and 10 years+ of experience. Its data plans are flexible, ranging from 1 GB to 200 GB and lasting for 3 to 90 days. Moreover, it offers wide 4G/5G coverage through Japan’s top networks like NTT Docomo and au (KDDI).

sakura mobile homepageBefore purchasing an eSIM, Sakura Mobile allows you to check if your device is compatible. You can visit their official website to view a compatibility list and confirm if your phone supports eSIM.
 

Key Features

  • Exceptional Customer Support
  • Secure Payment
  • Widest Coverage

Pricing

Data Plan

Validity

Price

Short Trip (1-30 days)

5 days$24.34
8 days$31.29
12 days$39.64
15 days$45.20
21 days$53.20
30 days$62.58

Long Trip (up to 90 days)

45 days$100.83
60 days$111.26
90 days$166.89

9. Nomad

Nomad offers a prepaid Japan eSIM with fast and flexible 4G/5G data across major cities like Tokyo, Osaka, and Kyoto, as well as remote areas. The eSIM supports hotspot and tethering, so you can share your connection with other devices.
nomad homepageFor continuous connectivity, Nomad offers flexible add-on options that automatically activate when your initial plan runs out. For frequent travelers, it also provides Global-EX plans that work in multiple countries for up to a year. The plans can cover up to 81 countries worldwide.
 

Key Features

  • Dual SIM Support
  • Hotspot/Tethering
  • Add-on Data Plans

Pricing

Plan

Validity

Price

5G 1 GB

7 days$6

5G 3 GB

30 days$8

5G 5 GB

30 days$11

5G 10 GB

30 days$17

5G 20 GB

30 days$25

5G 50 GB

30 days$57

10. KKday

KKday offers a simple and affordable prepaid eSIM for Japan with flexible data plans. You can choose plans with daily data limits or unlimited data, available for 3 to 30 days. Its eSIMs work well for browsing, maps, streaming, and video calls.

kkday homepageKKday lets you install the eSIM before your trip, so you’re online the moment you land in Japan. It also offers regular promotions and discount codes, making the plans more affordable and convenient.
 

Key Features

  • Discounts and Promo Codes
  • High Speed Internet
  • Data-only Service

Pricing

Package Options

Starting Price

Docomo Daily High Speed 1 GB/2 GB/Unlimited Data eSIM

$1.6

Docomo 5/7/15/20/25 Days eSIM

$3.09

KDDI/Softbank Daily High Speed 500 MB/1 GB/2 GB/Unlimited Data eSIM

$0.59

Key Features to Look for in the Best eSIM for Japan

When selecting a Japan eSIM, check for strong network coverage, reliable data plan and validity, and device compatibility. Also, ensure it supports hotspot use, offers responsive customer support, and allows easy top-ups.

  • Network Coverage: Ensure the eSIM uses major Japanese networks like NTT Docomo, KDDI, or SoftBank for reliable nationwide service.
  • Data Plan: Select a data package that matches your usage needs, whether it's a daily limit, fixed data, or unlimited access.
  • Plan Validity: Choose a plan that suits the length of your stay in Japan, ensuring it aligns with your travel or business schedule.
  • Phone Compatibility: Verify that your smartphone is eSIM-compatible and is unlocked before purchasing.
  • Hotspot Support: Confirm that your eSIM allows hotspot or tethering if you plan to share your connection.
  • Customer Support: Prioritize providers with reliable and round-the-clock customer service for quick assistance.
  • Top-Up Flexibility: Opt for providers that offer data top-ups or plan extensions in case you plan to extend its use.

Conclusion

An eSIM makes it easy to stay connected when traveling in Japan. It lets you activate your service instantly and avoid the hassle of swapping physical SIM cards. With many options available, you can find the best plan for your needs—whether you're looking for unlimited data, short-term options, or coverage across multiple devices.

For even better convenience, a virtual number offers more flexibility. It lets you make and receive calls and texts over the internet using multiple devices like mobiles, tablets, or laptops. Additionally, you don't have to have to worry about network coverage—it works anywhere with an internet connection. Get a virtual phone number from Calilio today!


Frequently Asked Questions

Can I use an eSIM on multiple devices in Japan?

No, you cannot use an eSIM on multiple devices. In Japan, eSIMs are generally tied to a single device and cannot be used simultaneously on multiple devices. To use an eSIM on different devices, you usually need to deactivate it on one device before activating it on another.

How do I activate my Japan eSIM on arrival?

Are there any restrictions on using eSIMs in Japan?

Can I use my Japan eSIM for voice calls and SMS?

FAQ Illustration

Still have questions?

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