Japan eSIM — reviews & details
Japan 3GB 30Days (IIJ) · 3 GB · 30 days
117 reviews
Coverage & networks
- Japan NTT docomo 4G
Traveller reviews
Lucas F.
Canada · Jul 2026
Installed in minutes by scanning the QR code. Setup instructions in the app were clear and simple. Five stars from me.
Laura
GotoeSIM Support
· 2 months ago Cheers, Lucas! Love that you were online the moment you landed in Japan. – Laura 💜
Noah H.
Italy · Jun 2026
Connected the moment I landed. The QR code arrived instantly by email.
Anna
GotoeSIM Support
· 2 months ago Really appreciate this, Noah! Great to know the setup was quick and easy. – Anna 💜
Yuki V.
Netherlands · Jun 2026
Did the job without any drama. Data lasted the whole trip with room to spare. A must-have for international travel.
Sophie
GotoeSIM Support
· 2 months ago Thanks for sharing, Yuki! Wonderful to hear it worked smoothly in Japan. We're here whenever you travel again. — Sophie
Giulia V.
United Kingdom · Jun 2026
Connected the moment I landed. Topping up was straightforward when I needed more. Will use GotoeSIM for my next trip for sure.
Ingrid
GotoeSIM Support
· 2 months ago So glad to hear this, Giulia! So happy the Japan eSIM kept you connected. — Ingrid
Ananya R.
India · Jun 2026
First time using an eSIM and it was painless. Streaming and video calls worked without buffering. Exactly as described — no surprises.
Emma
GotoeSIM Support
· 2 months ago Thanks a lot, Ananya! Delighted the speeds worked well for you. – Emma, GotoeSIM Support
Ava M.
Poland · Jun 2026
No more hunting for a SIM card kiosk on arrival. I kept my normal number for calls while using this for data.
Yuki
GotoeSIM Support
· 2 months ago Thanks for sharing, Ava! So happy the Japan eSIM kept you connected. — Yuki, GotoeSIM Support
Ananya G.
Saudi Arabia · Jun 2026
No more hunting for a SIM card kiosk on arrival in Japan. Speeds were solid for maps, messaging and browsing.
David
GotoeSIM Support
· 2 months ago Thank you for the kind words, Ananya! Love that you were online the moment you landed in Japan. We're here whenever you travel again. — David, GotoeSIM Support
Linh M.
Netherlands · Jun 2026
No more hunting for a SIM card kiosk on arrival. Activation was automatic when I arrived.
Laura
GotoeSIM Support
· 2 months ago Thanks a lot, Linh! Great to know the setup was quick and easy. We're here whenever you travel again. – Laura, GotoeSIM Support
Hugo V.
Japan · Jun 2026
First time using an eSIM and it was painless in Japan. I kept my normal number for calls while using this for data.
James
GotoeSIM Support
· 2 months ago So glad to hear this, Hugo! Love that you were online the moment you landed in Japan. Safe travels, and see you on your next trip! – James, GotoeSIM Support
Ava H.
Spain · Jun 2026
Install took me two tries but was fine after that. Topping up was straightforward when I needed more.
Yuki
GotoeSIM Support
· 2 months ago Apologies for the trouble, Ava. We'd love the chance to make this right. Reach our team at gotoesim.com/support so we can help right away. – Yuki, GotoeSIM Support
Linh V.
Brazil · Jun 2026
Bought it the night before my flight — smooth process. Streaming and video calls worked without buffering. Five stars from me.
Tom
GotoeSIM Support
· 2 months ago Thanks for sharing, Linh! Delighted the speeds worked well for you. We're here whenever you travel again. – Tom, GotoeSIM Support
Marco T.
Thailand · Jun 2026
Good coverage in the city, a bit patchy in remote areas.
Sophie
GotoeSIM Support
· 2 months ago Thank you for taking the time, Marco. Good to hear it did the job, and we're working to make it even better. Any questions, our team is at gotoesim.com/support. – Sophie, GotoeSIM Support
Liam M.
South Korea · Jun 2026
Honestly better than buying a local SIM at the airport. Data lasted the whole trip with room to spare. Zero regrets.
Sara
GotoeSIM Support
· 2 months ago Thanks for sharing, Liam! Great to know the setup was quick and easy. – Sara 💜
Arjun H.
Thailand · Jun 2026
Bought it the night before my flight — smooth process. The QR code arrived instantly by email. Made staying connected effortless.
Anna
GotoeSIM Support
· 2 months ago Cheers, Arjun! Wonderful to hear it worked smoothly in Japan. We're here whenever you travel again. – Anna 💜
Ingrid T.
India · Jun 2026
Connected the moment I landed. Speeds were solid for maps, messaging and browsing. Made staying connected effortless.
Omar
GotoeSIM Support
· 2 months ago Thank you for the kind words, Ingrid! So pleased it saved you from roaming bills. Wishing you many more connected adventures! — Omar
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 💜