Japan eSIM — reviews & details
Japan 3GB 30Days (IIJ) · 3 GB · 30 days
117 reviews
Coverage & networks
- Japan NTT docomo 4G
Traveller reviews
Andre P.
Portugal · Jul 2026
Honestly better than buying a local SIM at the airport. Topping up was straightforward when I needed more. Zero regrets.
Ken
GotoeSIM Support
· 1 month ago So glad to hear this, Andre! Thrilled it made staying connected effortless. – Ken, GotoeSIM Support
Ravi T.
Philippines · Jul 2026
Installed in minutes by scanning the QR code in Japan. Topping up was straightforward when I needed more.
Yuki
GotoeSIM Support
· 1 month ago Thank you so much, Ravi! Delighted the speeds worked well for you. We're here whenever you travel again. – Yuki, GotoeSIM Support
Sven C.
Thailand · Jul 2026
Did the job without any drama. Coverage was strong even outside the city. Would definitely buy again.
Laura
GotoeSIM Support
· 1 month ago Thanks for sharing, Sven! Wonderful to hear it worked smoothly in Japan. We're here whenever you travel again. – Laura 💜
Sarah D.
Ireland · Jul 2026
First time using an eSIM and it was painless. The QR code arrived instantly by email. Telling my friends about this.
David
GotoeSIM Support
· 1 month ago So glad to hear this, Sarah! Delighted the speeds worked well for you. – David, GotoeSIM Support
Isabella P.
South Korea · Jul 2026
Great value compared to roaming charges. Speeds were solid for maps, messaging and browsing. Exactly as described — no surprises.
Laura
GotoeSIM Support
· 1 month ago Thanks a lot, Isabella! Great to know the setup was quick and easy. Enjoy your journeys! — Laura
Katya N.
Mexico · Jul 2026
Did the job without any drama. Speeds were solid for maps, messaging and browsing. Great experience overall.
Priya
GotoeSIM Support
· 1 month ago Thank you so much, Katya! Wonderful to hear it worked smoothly in Japan. — Priya, GotoeSIM Support
Louis N.
South Korea · Jul 2026
Honestly better than buying a local SIM at the airport. Activation was automatic when I arrived.
Sophie
GotoeSIM Support
· 1 month ago Thanks for sharing, Louis! So happy the Japan eSIM kept you connected. Wishing you many more connected adventures! — Sophie
Mei R.
South Korea · Jul 2026
Installed in minutes by scanning the QR code. Customer support answered my question quickly. Five stars from me.
David
GotoeSIM Support
· 1 month ago Thank you for the kind words, Mei! Delighted the speeds worked well for you. Enjoy your journeys! – David, GotoeSIM Support
Nguyen B.
Turkey · Jul 2026
Used this on my trip and it worked perfectly in Japan. Streaming and video calls worked without buffering. Highly recommend for any traveller.
Omar
GotoeSIM Support
· 1 month ago So glad to hear this, Nguyen! So happy the Japan eSIM kept you connected. Enjoy your journeys! – Omar, GotoeSIM Support
Omar D.
Philippines · Jul 2026
Honestly better than buying a local SIM at the airport in Japan. Setup instructions in the app were clear and simple. Zero regrets.
Tom
GotoeSIM Support
· 1 month ago Cheers, Omar! Delighted the speeds worked well for you. – Tom, GotoeSIM Support
Hugo T.
Thailand · Jul 2026
Installed in minutes by scanning the QR code in Japan. Ran hotspot to my laptop with no issues. Will use GotoeSIM for my next trip for sure.
David
GotoeSIM Support
· 1 month ago Thank you so much, Hugo! Great to know the setup was quick and easy. – David, GotoeSIM Support
Haruto S.
Japan · Jul 2026
No more hunting for a SIM card kiosk on arrival in Japan. Ran hotspot to my laptop with no issues. A must-have for international travel.
David
GotoeSIM Support
· 1 month ago So glad to hear this, Haruto! Thrilled it made staying connected effortless. Safe travels, and see you on your next trip! — David, GotoeSIM Support
Chloe G.
Brazil · Jul 2026
Bought it the night before my flight — smooth process. Customer support answered my question quickly. Great experience overall.
Ingrid
GotoeSIM Support
· 2 months ago Thanks for sharing, Chloe! Thrilled it made staying connected effortless. Safe travels, and see you on your next trip! – Ingrid, GotoeSIM Support
Olivia R.
Turkey · Jul 2026
No more hunting for a SIM card kiosk on arrival in Japan. Speeds were solid for maps, messaging and browsing. Telling my friends about this.
Priya
GotoeSIM Support
· 2 months ago Thank you for the kind words, Olivia! Thrilled it made staying connected effortless. Enjoy your journeys! — Priya
Hugo W.
Portugal · Jul 2026
Super easy to set up before I flew out. Streaming and video calls worked without buffering. Will use GotoeSIM for my next trip for sure.
Omar
GotoeSIM Support
· 2 months ago Thanks a lot, Hugo! Love that you were online the moment you landed in Japan. Enjoy your journeys! — 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. · 7 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 💜