Japan eSIM — reviews & details
Japan 3GB 30Days (IIJ) · 3 GB · 30 days
117 reviews
Coverage & networks
- Japan NTT docomo 5G
Traveller reviews
Diego H.
Switzerland · May 2026
Exactly what I needed for travelling. Activation was automatic when I arrived. Great experience overall.
Laura
GotoeSIM Support
· 3 months ago Thank you for the kind words, Diego! So pleased it saved you from roaming bills. Safe travels, and see you on your next trip! — Laura
Zoe B.
South Korea · May 2026
Connected the moment I landed. Streaming and video calls worked without buffering. Great experience overall.
Ingrid
GotoeSIM Support
· 3 months ago Thank you so much, Zoe! Great to know the setup was quick and easy. Enjoy your journeys! — Ingrid
Sven K.
Spain · May 2026
Used this on my trip and it worked perfectly. Ran hotspot to my laptop with no issues.
Emma
GotoeSIM Support
· 3 months ago Really appreciate this, Sven! Delighted the speeds worked well for you. We're here whenever you travel again. — Emma
Ananya K.
Switzerland · May 2026
Bought it the night before my flight — smooth process. Data lasted the whole trip with room to spare.
Omar
GotoeSIM Support
· 4 months ago Thanks a lot, Ananya! So pleased it saved you from roaming bills. Enjoy your journeys! – Omar 💜
Emma T.
India · May 2026
No more hunting for a SIM card kiosk on arrival. Topping up was straightforward when I needed more. Five stars from me.
James
GotoeSIM Support
· 4 months ago Cheers, Emma! Delighted the speeds worked well for you. Enjoy your journeys! — James
Nguyen F.
Singapore · May 2026
Great value compared to roaming charges in Japan. Coverage was strong even outside the city. Exactly as described — no surprises.
Sara
GotoeSIM Support
· 4 months ago Thanks a lot, Nguyen! So happy the Japan eSIM kept you connected. – Sara, GotoeSIM Support
Sri P.
Italy · May 2026
Used this on my trip and it worked perfectly. Activation was automatic when I arrived.
Sara
GotoeSIM Support
· 4 months ago Cheers, Sri! So happy the Japan eSIM kept you connected. Safe travels, and see you on your next trip! — Sara
Viktor T.
Australia · Apr 2026
Honestly better than buying a local SIM at the airport. Topping up was straightforward when I needed more. Exactly as described — no surprises.
Yuki
GotoeSIM Support
· 4 months ago Thanks for sharing, Viktor! Wonderful to hear it worked smoothly in Japan. — Yuki, GotoeSIM Support
Mohammed W.
Canada · Apr 2026
Super easy to set up before I flew out. Activation was automatic when I arrived. Telling my friends about this.
Tom
GotoeSIM Support
· 4 months ago Thank you so much, Mohammed! So pleased it saved you from roaming bills. Safe travels, and see you on your next trip! – Tom, GotoeSIM Support
Thomas L.
Egypt · Apr 2026
Great value compared to roaming charges. Setup instructions in the app were clear and simple.
Mark
GotoeSIM Support
· 4 months ago Thanks a lot, Thomas! Delighted the speeds worked well for you. Come back anytime! – Mark, GotoeSIM Support
Ravi R.
India · Apr 2026
Great value compared to roaming charges in Japan. Streaming and video calls worked without buffering. Exactly as described — no surprises.
David
GotoeSIM Support
· 4 months ago So glad to hear this, Ravi! So pleased it saved you from roaming bills. — David, 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
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
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
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. · 5 days ago
Does the validity start on purchase or on first use?
Linh S. · 1 week 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 💜