Japan eSIM — reviews & details
Japan 5GB 30Days (IIJ) · 5 GB · 30 days
165 reviews
Coverage & networks
- Japan NTT docomo 4G
Traveller reviews
Kenji D.
Sweden · Feb 2026
Honestly better than buying a local SIM at the airport in Japan. Data lasted the whole trip with room to spare. A must-have for international travel.
Tom
GotoeSIM Support
· 6 months ago So glad to hear this, Kenji! Love that you were online the moment you landed in Japan. Come back anytime! – Tom 💜
Giulia C.
Singapore · Feb 2026
Exactly what I needed for travelling. Ran hotspot to my laptop with no issues.
Grace
GotoeSIM Support
· 6 months ago Thank you so much, Giulia! Delighted the speeds worked well for you. Come back anytime! – Grace, GotoeSIM Support
Chloe F.
United Kingdom · Feb 2026
Saved me a fortune on my holiday. Customer support answered my question quickly. A must-have for international travel.
Tom
GotoeSIM Support
· 6 months ago Thank you for the kind words, Chloe! So pleased it saved you from roaming bills. – Tom 💜
Somchai L.
Turkey · Feb 2026
Bought it the night before my flight — smooth process. Customer support answered my question quickly. Would definitely buy again.
Mark
GotoeSIM Support
· 6 months ago Thank you for the kind words, Somchai! Thrilled it made staying connected effortless. Come back anytime! — Mark, GotoeSIM Support
Max R.
France · Feb 2026
Worked fine but took a little while to connect at first. I kept my normal number for calls while using this for data.
Emma
GotoeSIM Support
· 7 months ago Appreciate you sharing this, Max. 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. — Emma
Wei S.
Thailand · Feb 2026
Great value compared to roaming charges. Speeds were solid for maps, messaging and browsing. Exactly as described — no surprises.
Omar
GotoeSIM Support
· 7 months ago Thanks a lot, Wei! So happy the Japan eSIM kept you connected. Come back anytime! – Omar, GotoeSIM Support
Katya T.
United States · Feb 2026
Honestly better than buying a local SIM at the airport. Coverage was strong even outside the city. Made staying connected effortless.
Ken
GotoeSIM Support
· 7 months ago Thanks for sharing, Katya! Great to know the setup was quick and easy. Wishing you many more connected adventures! — Ken
Camila R.
Poland · Feb 2026
Good coverage in the city, a bit patchy in remote areas.
Diego
GotoeSIM Support
· 7 months ago We're really sorry, Camila. That's not the experience we want for Japan. Please contact us at gotoesim.com/support and we'll sort it out. — Diego
Ingrid T.
United Kingdom · Feb 2026
Super easy to set up before I flew out. Signal held up well on trains and in rural areas. Zero regrets.
Sophie
GotoeSIM Support
· 7 months ago Thank you so much, Ingrid! Delighted the speeds worked well for you. Come back anytime! – Sophie, GotoeSIM Support
Max R.
New Zealand · Feb 2026
Bought it the night before my flight — smooth process. The QR code arrived instantly by email.
Omar
GotoeSIM Support
· 7 months ago Thank you so much, Max! Love that you were online the moment you landed in Japan. Wishing you many more connected adventures! – Omar 💜
Mei D.
South Korea · Feb 2026
No more hunting for a SIM card kiosk on arrival. Streaming and video calls worked without buffering. A must-have for international travel.
David
GotoeSIM Support
· 7 months ago Thanks for sharing, Mei! Love that you were online the moment you landed in Japan. Safe travels, and see you on your next trip! – David 💜
Haruto W.
Brazil · Feb 2026
Super easy to set up before I flew out. Setup instructions in the app were clear and simple. Exactly as described — no surprises.
Ken
GotoeSIM Support
· 7 months ago Thanks for sharing, Haruto! Delighted the speeds worked well for you. We're here whenever you travel again. – Ken 💜
Kenji C.
Malaysia · Feb 2026
Super easy to set up before I flew out. Ran hotspot to my laptop with no issues.
Mark
GotoeSIM Support
· 7 months ago Thank you so much, Kenji! Delighted the speeds worked well for you. — Mark, GotoeSIM Support
Ji-woo L.
India · Feb 2026
Bought it the night before my flight — smooth process. Signal held up well on trains and in rural areas. Will use GotoeSIM for my next trip for sure.
Mark
GotoeSIM Support
· 7 months ago Thanks a lot, Ji-woo! Thrilled it made staying connected effortless. Safe travels, and see you on your next trip! — Mark, GotoeSIM Support
Nguyen D.
Vietnam · Feb 2026
No more hunting for a SIM card kiosk on arrival in Japan. Data lasted the whole trip with room to spare.
Ingrid
GotoeSIM Support
· 7 months ago So glad to hear this, Nguyen! So happy the Japan eSIM kept you connected. Come back anytime! — Ingrid
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