GoJapan eSIM – Review & Full Test 2026

🌍

Countries covered

1 countries

💶

Starting at

0,47 €

📶

Network

5G

📊

Data

Starting at 500 MB

❌

Calls/SMS

No

Japan specialization with high-performance local networks (KDDI, Softbank).

Ultra-simple activation via QR code, no mobile app.

Flexible plans up to unlimited and 365 days, hotspot allowed.

Competitive prices from €4.58, ideal to avoid roaming.

Stable coverage in city and rural areas, for GPS and streaming.

Destinations & coverage

By region

Key points

✅

Advantages

  • ✓ Focused expertise on Japan with good local networks.
  • ✓ Simple activation via QR code, no complications.
  • ✓ Plan flexibility (fixed or unlimited data, long durations).
  • ✓ Hotspot OK, multi-device usage possible.
  • ✓ Competitive prices vs usual operator roaming.
⚠️

Disadvantages

  • ✗ Coverage limited to Japan only.
  • ✗ Data only, no Japanese calls/SMS included.
  • ✗ Depends on phone eSIM compatibility.
  • ✗ Few visible online ratings.
  • ✗ Support potentially limited outside business hours.

Customer reviews

site_propre

4/5

“

eSIM installed in 2 minutes, stable data everywhere in Tokyo and Kyoto, perfect hotspot for tablet.

April 1, 2026

blog_test

4/5

“

Unlimited plan ideal for 1 month, low price, smooth 5G connection even on rural trips.

March 1, 2026

forum_voyage

4/5

“

Easy to use with kids, shared data without issues, good value for money in Japan.

February 1, 2026

Description

GoJapan eSIM is a French platform specialized in eSIMs for Japan, founded in 2016 and based in Tokyo. It offers data-only plans from 500MB to unlimited, valid 1 to 365 days on KDDI au and Softbank networks (4G/5G). Simple activation via QR code without app, hotspot allowed, keeping physical SIM for calls/SMS. Competitive prices from 0.5USD, stable connection in urban and rural areas, perfect for GPS, social networks and streaming when traveling in Japan.

How it works

Go to GoJapan website, select Japan, choose data and duration, pay by card or PayPal.

Immediately get the QR code by email after secure payment.

Make sure your iPhone XS+ or eSIM-compatible Android is unlocked.

Go to Settings > Cellular/Mobile > Add eSIM, scan the QR code.

Select GoJapan eSIM for data, keep physical SIM for calls, activate data roaming.

Disable/enable airplane mode, check 4G/5G signal.

⚠️ If it fails

✅ Check phone compatibility, stable WiFi connection, restart. Contact support if it persists.

✅ Enable airplane mode for 30s, select eSIM for mobile data and roaming. Restart device.

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

✅ Check authorization in plan terms, test on personal WiFi first.

Alternatives

FAQ

For a short stay, choose 5-10GB/7-15 days; for a long trip, unlimited/30-365 days depending on usage.

Yes, tethering/hotspot is allowed to share data with tablets or laptops.

Yes for iPhone XS+, Google Pixel 3+, Samsung S20+ and most eSIM Androids; check settings.

Yes, use the physical SIM for calls/SMS and GoJapan eSIM for data only.

No, data-only plans; use your personal SIM for voice communications.

Buy a new plan and add it; no automatic recharge but full flexibility.

4G/5G via KDDI au and Softbank, stable in urban and rural areas.

Company info

Legal name: GOJAPAN Mobile

Address: Tokyo, Japan

Email: [email protected]

Website: https://gojapan.ne.jp

Support

Accepted payments

Visa, Mastercard, PayPal

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