Japan eSIM — reviews & details
Japan 3GB 30Days (IIJ) · 3 GB · 30 days
117 reviews
Coverage & networks
- Japan NTT docomo 4G
Traveller reviews
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
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
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
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
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
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
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
Beatriz G.
Saudi Arabia · Jun 2026
Connected the moment I landed. Signal held up well on trains and in rural areas. Highly recommend for any traveller.
Omar
GotoeSIM Support
· 2 months ago Thanks a lot, Beatriz! Delighted the speeds worked well for you. We're here whenever you travel again. — Omar
Thomas T.
Sweden · Jun 2026
Bought it the night before my flight — smooth process. Activation was automatic when I arrived. Exactly as described — no surprises.
Ken
GotoeSIM Support
· 2 months ago Thanks for sharing, Thomas! Thrilled it made staying connected effortless. Safe travels, and see you on your next trip! – Ken 💜
Linh T.
Canada · Jun 2026
Installed in minutes by scanning the QR code. Activation was automatic when I arrived. A must-have for international travel.
Tom
GotoeSIM Support
· 2 months ago Thanks a lot, Linh! Delighted the speeds worked well for you. Safe travels, and see you on your next trip! – Tom 💜
Thomas G.
Poland · Jun 2026
Connected the moment I landed. Signal held up well on trains and in rural areas. A must-have for international travel.
Omar
GotoeSIM Support
· 2 months ago Thanks a lot, Thomas! So pleased it saved you from roaming bills. We're here whenever you travel again. — Omar
Daniel W.
Australia · Jun 2026
Connected the moment I landed. Streaming and video calls worked without buffering. Great experience overall.
Sophie
GotoeSIM Support
· 2 months ago Thank you so much, Daniel! Delighted the speeds worked well for you. Come back anytime! – Sophie, GotoeSIM Support
Max B.
Ireland · Jun 2026
Honestly better than buying a local SIM at the airport. Setup instructions in the app were clear and simple. Would definitely buy again.
Mark
GotoeSIM Support
· 3 months ago Really appreciate this, Max! Great to know the setup was quick and easy. Wishing you many more connected adventures! – Mark 💜
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. · 4 days ago
Does the validity start on purchase or on first use?
Linh S. · 6 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 💜