Japan eSIM — reviews & details
Japan 5GB 30Days (IIJ) · 5 GB · 30 days
165 reviews
Coverage & networks
- Japan NTT docomo 4G
Traveller reviews
Emma M.
Switzerland · Jul 2026
Bought it the night before my flight — smooth process in Japan. Speeds were solid for maps, messaging and browsing. Made staying connected effortless.
Emma
GotoeSIM Support
· 2 months ago So glad to hear this, Emma! So pleased it saved you from roaming bills. Come back anytime! – Emma 💜
Yuki G.
Sweden · Jul 2026
Good coverage in the city, a bit patchy in remote areas. Speeds were solid for maps, messaging and browsing.
Ken
GotoeSIM Support
· 2 months ago Thank you for taking the time, Yuki. 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. — Ken, GotoeSIM Support
Grace H.
Switzerland · Jul 2026
Connected the moment I landed. Data lasted the whole trip with room to spare.
Ken
GotoeSIM Support
· 2 months ago Thanks a lot, Grace! Love that you were online the moment you landed in Japan. Enjoy your journeys! – Ken, GotoeSIM Support
Sarah F.
Indonesia · Jun 2026
Connected the moment I landed. Coverage was strong even outside the city. Would definitely buy again.
Grace
GotoeSIM Support
· 2 months ago Thank you so much, Sarah! So happy the Japan eSIM kept you connected. Enjoy your journeys! — Grace
Ingrid V.
Thailand · Jun 2026
Installed in minutes by scanning the QR code. Streaming and video calls worked without buffering.
Laura
GotoeSIM Support
· 2 months ago So glad to hear this, Ingrid! Wonderful to hear it worked smoothly in Japan. Wishing you many more connected adventures! – Laura 💜
Olivia K.
Egypt · Jun 2026
Honestly better than buying a local SIM at the airport. Data lasted the whole trip with room to spare. A must-have for international travel.
Diego
GotoeSIM Support
· 2 months ago Thank you for the kind words, Olivia! Delighted the speeds worked well for you. Wishing you many more connected adventures! — Diego
Pablo N.
Singapore · Jun 2026
Great value compared to roaming charges in Japan. Ran hotspot to my laptop with no issues.
Ingrid
GotoeSIM Support
· 2 months ago Thank you so much, Pablo! Delighted the speeds worked well for you. Wishing you many more connected adventures! – Ingrid 💜
Elena K.
Egypt · Jun 2026
Did the job without any drama. Signal held up well on trains and in rural areas. Great experience overall.
Yuki
GotoeSIM Support
· 2 months ago Thank you so much, Elena! Thrilled it made staying connected effortless. We're here whenever you travel again. — Yuki, GotoeSIM Support
Mohammed M.
United States · Jun 2026
Bought it the night before my flight — smooth process. Coverage was strong even outside the city.
Sara
GotoeSIM Support
· 2 months ago Thanks for sharing, Mohammed! Thrilled it made staying connected effortless. Come back anytime! – Sara, GotoeSIM Support
Lucas M.
Spain · Jun 2026
Exactly what I needed for travelling. Activation was automatic when I arrived.
Priya
GotoeSIM Support
· 2 months ago Thank you so much, Lucas! Delighted the speeds worked well for you. – Priya, GotoeSIM Support
Sarah H.
United Kingdom · Jun 2026
Honestly better than buying a local SIM at the airport. Activation was automatic when I arrived. Zero regrets.
Tom
GotoeSIM Support
· 2 months ago Thank you so much, Sarah! Delighted the speeds worked well for you. Safe travels, and see you on your next trip! — Tom
Viktor P.
Indonesia · Jun 2026
Saved me a fortune on my holiday. I kept my normal number for calls while using this for data. Great experience overall.
Sophie
GotoeSIM Support
· 2 months ago Thanks for sharing, Viktor! Great to know the setup was quick and easy. – Sophie 💜
Carlos P.
Australia · Jun 2026
Honestly better than buying a local SIM at the airport. Activation was automatic when I arrived. Zero regrets.
Laura
GotoeSIM Support
· 2 months ago Thank you so much, Carlos! Wonderful to hear it worked smoothly in Japan. Safe travels, and see you on your next trip! – Laura 💜
James B.
Egypt · Jun 2026
Connected the moment I landed. Setup instructions in the app were clear and simple. Five stars from me.
Anna
GotoeSIM Support
· 2 months ago Really appreciate this, James! Thrilled it made staying connected effortless. We're here whenever you travel again. – Anna 💜
Yuki N.
Japan · Jun 2026
Used this on my trip and it worked perfectly. Data lasted the whole trip with room to spare. Would definitely buy again.
Ken
GotoeSIM Support
· 2 months ago Cheers, Yuki! Love that you were online the moment you landed in Japan. Safe travels, and see you on your next trip! — Ken, 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