Japan eSIM — reviews & details
Japan 5GB 30Days (IIJ) · 5 GB · 30 days
165 reviews
Coverage & networks
- Japan NTT docomo 4G
Traveller reviews
Ingrid H.
Ireland · May 2026
Used this on my trip and it worked perfectly. Customer support answered my question quickly.
Yuki
GotoeSIM Support
· 4 months ago Cheers, Ingrid! Delighted the speeds worked well for you. Wishing you many more connected adventures! — Yuki, GotoeSIM Support
Zoe G.
Turkey · May 2026
Honestly better than buying a local SIM at the airport. Data lasted the whole trip with room to spare.
Yuki
GotoeSIM Support
· 4 months ago Thank you for the kind words, Zoe! Great to know the setup was quick and easy. We're here whenever you travel again. — Yuki, GotoeSIM Support
Omar R.
Japan · May 2026
Connected the moment I landed. Topping up was straightforward when I needed more. Zero regrets.
Emma
GotoeSIM Support
· 4 months ago Thanks a lot, Omar! Love that you were online the moment you landed in Japan. Wishing you many more connected adventures! — Emma, GotoeSIM Support
Min-jun N.
France · May 2026
No more hunting for a SIM card kiosk on arrival in Japan. I kept my normal number for calls while using this for data. A must-have for international travel.
Priya
GotoeSIM Support
· 4 months ago Thanks a lot, Min-jun! Delighted the speeds worked well for you. We're here whenever you travel again. – Priya 💜
Ananya V.
Japan · Apr 2026
Install took me two tries but was fine after that. Speeds were solid for maps, messaging and browsing.
Yuki
GotoeSIM Support
· 4 months ago Thank you for taking the time, Ananya. We're constantly optimising speeds and coverage across Japan. Reach us anytime at gotoesim.com/support if we can help. – Yuki 💜
Omar K.
New Zealand · Apr 2026
Did the job without any drama in Japan. Signal held up well on trains and in rural areas. A must-have for international travel.
Ken
GotoeSIM Support
· 4 months ago Cheers, Omar! Great to know the setup was quick and easy. Enjoy your journeys! — Ken
Camila V.
Brazil · Apr 2026
Bought it the night before my flight — smooth process in Japan. Setup instructions in the app were clear and simple.
Emma
GotoeSIM Support
· 4 months ago Thanks a lot, Camila! Delighted the speeds worked well for you. Safe travels, and see you on your next trip! — Emma
Hana G.
Italy · Apr 2026
Bought it the night before my flight — smooth process. Streaming and video calls worked without buffering. Will use GotoeSIM for my next trip for sure.
David
GotoeSIM Support
· 4 months ago Thanks a lot, Hana! Wonderful to hear it worked smoothly in Japan. Safe travels, and see you on your next trip! — David, GotoeSIM Support
Diego T.
Spain · Apr 2026
Honestly better than buying a local SIM at the airport. Data lasted the whole trip with room to spare.
Tom
GotoeSIM Support
· 4 months ago Thank you so much, Diego! Wonderful to hear it worked smoothly in Japan. – Tom 💜
James G.
Singapore · Apr 2026
Saved me a fortune on my holiday. Topping up was straightforward when I needed more. Will use GotoeSIM for my next trip for sure.
Sophie
GotoeSIM Support
· 4 months ago Really appreciate this, James! Wonderful to hear it worked smoothly in Japan. Wishing you many more connected adventures! — Sophie, GotoeSIM Support
Marco D.
United Kingdom · Apr 2026
Saved me a fortune on my holiday in Japan. Signal held up well on trains and in rural areas. Made staying connected effortless.
Priya
GotoeSIM Support
· 4 months ago Thanks a lot, Marco! So pleased it saved you from roaming bills. – Priya 💜
Marco B.
Canada · Apr 2026
No more hunting for a SIM card kiosk on arrival. Signal held up well on trains and in rural areas. Will use GotoeSIM for my next trip for sure.
Tom
GotoeSIM Support
· 4 months ago Thank you for the kind words, Marco! Delighted the speeds worked well for you. Enjoy your journeys! – Tom 💜
James F.
UAE · Apr 2026
Installed in minutes by scanning the QR code in Japan. Data lasted the whole trip with room to spare.
Grace
GotoeSIM Support
· 4 months ago Thanks for sharing, James! So happy the Japan eSIM kept you connected. Safe travels, and see you on your next trip! – Grace, GotoeSIM Support
Mohammed P.
Philippines · Apr 2026
Great value compared to roaming charges. The QR code arrived instantly by email. Telling my friends about this.
Laura
GotoeSIM Support
· 4 months ago Cheers, Mohammed! Delighted the speeds worked well for you. Come back anytime! – Laura 💜
James T.
Italy · Apr 2026
Worked fine but took a little while to connect at first. Ran hotspot to my laptop with no issues.
Ingrid
GotoeSIM Support
· 4 months ago So sorry to hear this, James. This isn't the standard we aim for. Please contact us at gotoesim.com/support and we'll sort it out. – Ingrid, GotoeSIM Support
Frequently asked questions
How much does the Japan eSIM cost?
The Japan 5GB 30Days (IIJ) plan costs $4.32 for 5 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
Carlos H. · 2 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, Carlos. — Tom
Liam V. · 3 months ago
Which networks does this connect to?
You'll be on top local networks, Liam — full details are on the plan page under Coverage. — Grace
Liam D. · 3 months ago
Is roaming charged extra or is it all included?
Roaming is included in the plan, Liam — no extra charges, it's all prepaid. — Ken, GotoeSIM Support
Lea K. · 4 months ago
How long does the QR code take to arrive after payment?
Your QR code arrives instantly, Lea — within seconds of payment, by email and in your account. — Mark
Arjun T. · 4 months ago
Do I need to install it before I travel or after I arrive?
Install on Wi-Fi before you fly, Arjun — it switches on when you land. — Omar
James T. · 5 months ago
Is 5G supported or just 4G?
5G is available where covered, James — you'll always get the best speed on offer. — Yuki, GotoeSIM Support
Katya M. · 5 months ago
Does the validity start on purchase or on first use?
Validity usually starts when you first connect in your destination, Katya — not at purchase. – Priya, GotoeSIM Support
Budi T. · 6 months ago
Can I top up the same eSIM instead of buying a new one?
Yes Budi, you can top up the same eSIM anytime — no need to buy a new one. – Mark, GotoeSIM Support
Grace S. · 8 months ago
Great guide, the setup steps were really helpful.
So glad it helped, Grace! We're always here if you need anything. — Diego
Mei V. · 1 year ago
Thanks, installed with no problems on my Samsung.
It works great on modern Samsung phones, Mei! Add it via SIM manager and you're set. – Sara, GotoeSIM Support
Chloe M. · 1 year ago
Can I use it in nearby countries too?
For nearby countries, Chloe, a regional plan may suit you better — happy to help you pick. – James 💜
Grace D. · 1 year ago
Can I use this for hotspot/tethering?
Tethering is supported, Grace! Feel free to hotspot to your other devices. – David, GotoeSIM Support