Japan eSIM — reviews & details
Japan 3GB 30Days (IIJ) · 3 GB · 30 days
117 reviews
Coverage & networks
- Japan NTT docomo 4G
Traveller reviews
Sarah C.
Thailand · Apr 2026
Did the job without any drama. Ran hotspot to my laptop with no issues.
Mark
GotoeSIM Support
· 4 months ago Really appreciate this, Sarah! Thrilled it made staying connected effortless. Come back anytime! — Mark, GotoeSIM Support
Ryan K.
Philippines · Apr 2026
Exactly what I needed for travelling. Activation was automatic when I arrived. A must-have for international travel.
Ken
GotoeSIM Support
· 4 months ago Thanks for sharing, Ryan! So happy the Japan eSIM kept you connected. We're here whenever you travel again. — Ken, GotoeSIM Support
Marco G.
Brazil · Apr 2026
Used this on my trip and it worked perfectly in Japan. Data lasted the whole trip with room to spare. Will use GotoeSIM for my next trip for sure.
Anna
GotoeSIM Support
· 4 months ago Thanks a lot, Marco! Thrilled it made staying connected effortless. Enjoy your journeys! – Anna, GotoeSIM Support
Daniel W.
Singapore · Apr 2026
Used this on my trip and it worked perfectly. Setup instructions in the app were clear and simple. A must-have for international travel.
Laura
GotoeSIM Support
· 4 months ago Thank you so much, Daniel! Delighted the speeds worked well for you. Enjoy your journeys! — Laura
Elena D.
United Kingdom · Apr 2026
Did the job without any drama. Streaming and video calls worked without buffering.
Sophie
GotoeSIM Support
· 4 months ago Thank you for the kind words, Elena! Great to know the setup was quick and easy. Wishing you many more connected adventures! – Sophie, GotoeSIM Support
Haruto G.
South Korea · Apr 2026
Exactly what I needed for travelling in Japan. Data lasted the whole trip with room to spare. Zero regrets.
Laura
GotoeSIM Support
· 4 months ago Really appreciate this, Haruto! So happy the Japan eSIM kept you connected. Enjoy your journeys! — Laura
Marco V.
Malaysia · Apr 2026
Used this on my trip and it worked perfectly. Speeds were solid for maps, messaging and browsing.
David
GotoeSIM Support
· 4 months ago Thanks a lot, Marco! So happy the Japan eSIM kept you connected. We're here whenever you travel again. – David 💜
Min-jun P.
Portugal · Apr 2026
Honestly better than buying a local SIM at the airport. Topping up was straightforward when I needed more. Zero regrets.
Anna
GotoeSIM Support
· 4 months ago Thank you so much, Min-jun! Delighted the speeds worked well for you. We're here whenever you travel again. — Anna
Noah F.
Singapore · Apr 2026
No more hunting for a SIM card kiosk on arrival. Topping up was straightforward when I needed more. Made staying connected effortless.
Yuki
GotoeSIM Support
· 4 months ago Thanks a lot, Noah! Delighted the speeds worked well for you. We're here whenever you travel again. — Yuki, GotoeSIM Support
Aisha N.
Switzerland · Apr 2026
First time using an eSIM and it was painless. Setup instructions in the app were clear and simple.
Omar
GotoeSIM Support
· 4 months ago Thanks for sharing, Aisha! Wonderful to hear it worked smoothly in Japan. – Omar, GotoeSIM Support
Olivia C.
United Kingdom · Apr 2026
Super easy to set up before I flew out in Japan. Speeds were solid for maps, messaging and browsing.
Priya
GotoeSIM Support
· 4 months ago So glad to hear this, Olivia! So pleased it saved you from roaming bills. Come back anytime! – Priya, GotoeSIM Support
Lucia G.
Egypt · Apr 2026
First time using an eSIM and it was painless in Japan. Ran hotspot to my laptop with no issues. Will use GotoeSIM for my next trip for sure.
Priya
GotoeSIM Support
· 4 months ago Thank you for the kind words, Lucia! Delighted the speeds worked well for you. Safe travels, and see you on your next trip! – Priya 💜
Giulia L.
Saudi Arabia · Apr 2026
Good coverage in the city, a bit patchy in remote areas. Topping up was straightforward when I needed more.
James
GotoeSIM Support
· 4 months ago Thank you for taking the time, Giulia. Good to hear it did the job, and we're working to make it even better. Reach us anytime at gotoesim.com/support if we can help. — James, GotoeSIM Support
Kenji R.
Mexico · Apr 2026
No more hunting for a SIM card kiosk on arrival. I kept my normal number for calls while using this for data. Highly recommend for any traveller.
Anna
GotoeSIM Support
· 4 months ago Thank you for the kind words, Kenji! So pleased it saved you from roaming bills. Safe travels, and see you on your next trip! — Anna
Viktor H.
Poland · Apr 2026
Used this on my trip and it worked perfectly. Activation was automatic when I arrived in Japan. Telling my friends about this.
Yuki
GotoeSIM Support
· 4 months ago Really appreciate this, Viktor! So pleased it saved you from roaming bills. Wishing you many more connected adventures! – Yuki, GotoeSIM Support
Frequently asked questions
How much does the Japan eSIM cost?
The Japan 3GB 30Days (IIJ) plan costs $2.88 for 3 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
Ava H. · 3 days ago
Does the validity start on purchase or on first use?
Linh S. · 5 days ago
Can I top up the same eSIM instead of buying a new one?
Diego S. · 4 months ago
Is 5G supported or just 4G?
5G is available where covered, Diego — you'll always get the best speed on offer. – Grace, GotoeSIM Support
Min-jun B. · 4 months ago
Will this keep my WhatsApp active with my home number?
Yes Min-jun, WhatsApp keeps working with your home number — the eSIM only carries data. — Sara, GotoeSIM Support
Lucia W. · 6 months ago
Which networks does this connect to?
You'll be on top local networks, Lucia — full details are on the plan page under Coverage. — Tom
Elena R. · 7 months ago
Does the validity start on purchase or on first use?
Validity usually starts when you first connect in your destination, Elena — not at purchase. — Priya, GotoeSIM Support
Ji-woo P. · 8 months ago
Do I need to install it before I travel or after I arrive?
Install on Wi-Fi before you fly, Ji-woo — it switches on when you land. – Ingrid, GotoeSIM Support
Mohammed B. · 9 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, Mohammed. — Mark
Viktor W. · 9 months ago
Great guide, the setup steps were really helpful.
So glad it helped, Viktor! We're always here if you need anything. – Omar, GotoeSIM Support
Anna P. · 10 months ago
Can I use this for hotspot/tethering?
Tethering is supported, Anna! Feel free to hotspot to your other devices. – Laura, GotoeSIM Support
Max S. · 10 months ago
Thanks, installed with no problems on my Samsung.
It works great on modern Samsung phones, Max! Add it via SIM manager and you're set. — Yuki
Budi B. · 10 months ago
Can I use it in nearby countries too?
For nearby countries, Budi, a regional plan may suit you better — happy to help you pick. — Diego, GotoeSIM Support
Priya L. · 11 months ago
Does this work on an iPhone 13?
Absolutely, Priya! Any iPhone XS or newer supports it. Scan the QR in Settings › Cellular. — David, GotoeSIM Support
Mohammed H. · 1 year ago
Can I top up the same eSIM instead of buying a new one?
Yes Mohammed, you can top up the same eSIM anytime — no need to buy a new one. – Diego 💜