Journey japan esim eSIM – Review & Full Test 2025

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Countries covered

1 countries

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Starting at

19,00 €

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Network

5G

📊

Data

Starting at 10 GB

Calls/SMS

No

🌐

App

No

99% coverage throughout Japan via NTT Docomo.

Flexible data plans from 10GB to unlimited for 30 days.

Quick activation by QR code, no app needed.

Responsive 24/7 support in English and Japanese.

Hotspot allowed without restriction.

Competitive prices starting at €17, avoiding roaming and pocket WiFi.

Official ratings

Destinations & coverage

Journey Japan eSIM covers exclusively Japan with 99% coverage across all 47 prefectures, from cities like Tokyo and Osaka to rural areas.

By region

Key points

Advantages

  • Japan's most reliable Docomo network with high speeds.
  • Ultra-simple and immediate installation.
  • Exceptional multilingual 24/7 human support.
  • Unlimited hotspot for sharing connection.
  • Transparent prices with no hidden fees.
  • Keep your physical SIM for calls/SMS.
⚠️

Disadvantages

  • Coverage limited to Japan only.
  • No dedicated mobile app.
  • No plans with calls or SMS included.
  • No ratings found on Trustpilot or stores.
  • Fixed 30-day duration with no short options.

Customer reviews

website

5/5

The eSIM worked perfectly in Tokyo throughout the stay, with plenty of data left at the end.

December 1, 2025

website

5/5

Goodbye pocket WiFi at the airport, Journey Japan eSIM is simple and I will use it for every trip to Japan.

November 1, 2025

website

5/5

Back from a 3-week trip with no issues, easy setup and it works immediately.

October 1, 2025

Description

Journey Japan eSIM is a provider specialized in eSIMs for Japan, designed by travelers for travelers. It uses the reliable NTT Docomo network with 99% coverage across all 47 prefectures, data plans from 10GB to unlimited valid for 30 days, starting at $19 (about €17). Simple activation via QR code received by email, 24/7 support in English and Japanese, hotspot allowed. Perfect for tourists visiting Tokyo, Osaka or rural areas, avoiding airport queues and roaming fees.

How it works

Make sure your phone is unlocked and eSIM compatible (iPhone XS+, Samsung S20+, etc.).

Select 10GB, 20GB, 50GB or unlimited on jjesim.com and pay securely.

The code arrives by email within minutes.

Scan the QR code in Settings > Cellular > Add eSIM.

At the Japanese airport, activate the eSIM and allow data roaming.

Select the eSIM for data, enable hotspot if needed.

⚠️ If it fails

✅ Check stable internet connection and device compatibility. Contact 24/7 chat for help.

✅ Activate Airplane mode then off, select data eSIM and restart.

✅ Monitor usage via site, limit HD streaming and auto updates.

Alternatives

FAQ

For a standard trip, choose 20GB or 50GB at $29-49 (25-42€), ideal for browsing, GPS and streaming over 30 days.

Yes, unlimited tethering/hotspot allowed on all plans.

Check on the website: iPhone XS+, Galaxy S20+, Pixel 4+ and most recent unlocked eSIM-compatible devices.

No, transparent prices with no additional fees or throttling.

24/7 chat on site in English and Japanese, fast response.

Yes, use physical SIM for calls and eSIM for data.

All plans are valid for 30 days from activation.

Company info

Legal name: Sekai Studios, Inc.

Founders: Chris Broad

Website: https://jjesim.com

Support

24/7

chat

Accepted payments

Visa, Mastercard

Platforms

Web

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