Japan eSIM — reviews & details
Japan 5GB 30Days (IIJ) · 5 GB · 30 days
165 reviews
Coverage & networks
- Japan NTT docomo 4G
Traveller reviews
Andre T.
Brazil · Jul 2026
First time using an eSIM and it was painless. The QR code arrived instantly by email.
Mark
GotoeSIM Support
· 1 month ago Cheers, Andre! Delighted the speeds worked well for you. – Mark, GotoeSIM Support
Elena S.
Malaysia · Jul 2026
Saved me a fortune on my holiday. Ran hotspot to my laptop with no issues. Exactly as described — no surprises.
Sara
GotoeSIM Support
· 1 month ago Thank you so much, Elena! Wonderful to hear it worked smoothly in Japan. Come back anytime! – Sara 💜
Lea H.
United Kingdom · Jul 2026
Used this on my trip and it worked perfectly. Setup instructions in the app were clear and simple. Would definitely buy again.
Diego
GotoeSIM Support
· 1 month ago Thank you so much, Lea! Thrilled it made staying connected effortless. Wishing you many more connected adventures! — Diego
Ravi V.
Poland · Jul 2026
Connected the moment I landed. Coverage was strong even outside the city. A must-have for international travel.
David
GotoeSIM Support
· 1 month ago Thanks for sharing, Ravi! Great to know the setup was quick and easy. We're here whenever you travel again. — David
Beatriz G.
Philippines · Jul 2026
Exactly what I needed for travelling in Japan. Streaming and video calls worked without buffering. Zero regrets.
Diego
GotoeSIM Support
· 1 month ago Thanks for sharing, Beatriz! Love that you were online the moment you landed in Japan. – Diego, GotoeSIM Support
Viktor G.
Malaysia · Jul 2026
Super easy to set up before I flew out in Japan. Setup instructions in the app were clear and simple. Would definitely buy again.
David
GotoeSIM Support
· 2 months ago So glad to hear this, Viktor! So pleased it saved you from roaming bills. Wishing you many more connected adventures! — David
Sofia M.
Portugal · Jul 2026
No more hunting for a SIM card kiosk on arrival in Japan. Data lasted the whole trip with room to spare. A must-have for international travel.
Anna
GotoeSIM Support
· 2 months ago Thank you for the kind words, Sofia! Love that you were online the moment you landed in Japan. We're here whenever you travel again. — Anna
Mohammed V.
Ireland · Jul 2026
Bought it the night before my flight — smooth process. Activation was automatic when I arrived. Exactly as described — no surprises.
Anna
GotoeSIM Support
· 2 months ago Thank you for the kind words, Mohammed! So happy the Japan eSIM kept you connected. Enjoy your journeys! – Anna 💜
Ji-woo W.
Sweden · Jul 2026
Saved me a fortune on my holiday. Topping up was straightforward when I needed more.
Laura
GotoeSIM Support
· 2 months ago Thanks a lot, Ji-woo! Wonderful to hear it worked smoothly in Japan. Wishing you many more connected adventures! — Laura, GotoeSIM Support
Grace H.
Switzerland · Jul 2026
Connected the moment I landed. Data lasted the whole trip with room to spare.
Ken
GotoeSIM Support
· 2 months ago Thanks a lot, Grace! Love that you were online the moment you landed in Japan. Enjoy your journeys! – Ken, GotoeSIM Support
Ingrid V.
Thailand · Jun 2026
Installed in minutes by scanning the QR code. Streaming and video calls worked without buffering.
Laura
GotoeSIM Support
· 2 months ago So glad to hear this, Ingrid! Wonderful to hear it worked smoothly in Japan. Wishing you many more connected adventures! – Laura 💜
Olivia K.
Egypt · Jun 2026
Honestly better than buying a local SIM at the airport. Data lasted the whole trip with room to spare. A must-have for international travel.
Diego
GotoeSIM Support
· 2 months ago Thank you for the kind words, Olivia! Delighted the speeds worked well for you. Wishing you many more connected adventures! — Diego
Pablo N.
Singapore · Jun 2026
Great value compared to roaming charges in Japan. Ran hotspot to my laptop with no issues.
Ingrid
GotoeSIM Support
· 2 months ago Thank you so much, Pablo! Delighted the speeds worked well for you. Wishing you many more connected adventures! – Ingrid 💜
Mohammed M.
United States · Jun 2026
Bought it the night before my flight — smooth process. Coverage was strong even outside the city.
Sara
GotoeSIM Support
· 2 months ago Thanks for sharing, Mohammed! Thrilled it made staying connected effortless. Come back anytime! – Sara, GotoeSIM Support
Lucas M.
Spain · Jun 2026
Exactly what I needed for travelling. Activation was automatic when I arrived.
Priya
GotoeSIM Support
· 2 months ago Thank you so much, Lucas! Delighted the speeds worked well for you. – Priya, GotoeSIM Support
Frequently asked questions
How much does the Japan eSIM cost?
The Japan 5GB 30Days (IIJ) plan costs $4.32 for 5 GB over 30 days, paid once with no hidden fees.
How do I activate my Japan eSIM?
Scan the QR code in your phone settings (Cellular/Mobile → Add eSIM) or tap Install in the GotoeSIM app. Install on Wi-Fi before your trip; it activates when you arrive in Japan.
Will this eSIM work on my phone?
It works on any eSIM-compatible, carrier-unlocked phone — iPhone XS and newer, Google Pixel 3 and newer, and recent Samsung Galaxy models.
Can I keep my regular number?
Yes. The eSIM runs alongside your normal SIM, so you keep your number for calls and texts while using data in Japan.
Comments & questions
Carlos H. · 2 months ago
How do I check how much data I have left?
You can check remaining data anytime in the GotoeSIM app under My eSIMs, Carlos. — Tom
Liam V. · 3 months ago
Which networks does this connect to?
You'll be on top local networks, Liam — full details are on the plan page under Coverage. — Grace
Liam D. · 3 months ago
Is roaming charged extra or is it all included?
Roaming is included in the plan, Liam — no extra charges, it's all prepaid. — Ken, GotoeSIM Support
Lea K. · 4 months ago
How long does the QR code take to arrive after payment?
Your QR code arrives instantly, Lea — within seconds of payment, by email and in your account. — Mark
Arjun T. · 4 months ago
Do I need to install it before I travel or after I arrive?
Install on Wi-Fi before you fly, Arjun — it switches on when you land. — Omar
James T. · 5 months ago
Is 5G supported or just 4G?
5G is available where covered, James — you'll always get the best speed on offer. — Yuki, GotoeSIM Support
Katya M. · 5 months ago
Does the validity start on purchase or on first use?
Validity usually starts when you first connect in your destination, Katya — not at purchase. – Priya, GotoeSIM Support
Budi T. · 6 months ago
Can I top up the same eSIM instead of buying a new one?
Yes Budi, you can top up the same eSIM anytime — no need to buy a new one. – Mark, GotoeSIM Support
Grace S. · 8 months ago
Great guide, the setup steps were really helpful.
So glad it helped, Grace! We're always here if you need anything. — Diego
Mei V. · 1 year ago
Thanks, installed with no problems on my Samsung.
It works great on modern Samsung phones, Mei! Add it via SIM manager and you're set. – Sara, GotoeSIM Support
Chloe M. · 1 year ago
Can I use it in nearby countries too?
For nearby countries, Chloe, a regional plan may suit you better — happy to help you pick. – James 💜
Grace D. · 1 year ago
Can I use this for hotspot/tethering?
Tethering is supported, Grace! Feel free to hotspot to your other devices. – David, GotoeSIM Support