Japan eSIM — reviews & details
Japan 5GB 30Days (IIJ) · 5 GB · 30 days
165 reviews
Coverage & networks
- Japan NTT docomo 4G
Traveller reviews
Haruto C.
Indonesia · Feb 2026
Saved me a fortune on my holiday. Data lasted the whole trip with room to spare. Would definitely buy again.
Emma
GotoeSIM Support
· 7 months ago Thanks a lot, Haruto! So pleased it saved you from roaming bills. – Emma, GotoeSIM Support
Sofia T.
UAE · Feb 2026
Used this on my trip and it worked perfectly. Ran hotspot to my laptop with no issues. Will use GotoeSIM for my next trip for sure.
Tom
GotoeSIM Support
· 7 months ago Thank you so much, Sofia! So happy the Japan eSIM kept you connected. Enjoy your journeys! – Tom, GotoeSIM Support
Haruto T.
Singapore · Feb 2026
Installed in minutes by scanning the QR code. Streaming and video calls worked without buffering. Will use GotoeSIM for my next trip for sure.
Sophie
GotoeSIM Support
· 7 months ago Cheers, Haruto! Great to know the setup was quick and easy. Wishing you many more connected adventures! — Sophie
Sophia T.
Philippines · Feb 2026
Connected the moment I landed. Signal held up well on trains and in rural areas. Great experience overall.
James
GotoeSIM Support
· 7 months ago So glad to hear this, Sophia! Great to know the setup was quick and easy. Wishing you many more connected adventures! – James 💜
Elena T.
Ireland · Jan 2026
Installed in minutes by scanning the QR code. Coverage was strong even outside the city. Exactly as described — no surprises.
Anna
GotoeSIM Support
· 7 months ago Thank you for the kind words, Elena! Great to know the setup was quick and easy. Enjoy your journeys! – Anna, GotoeSIM Support
Linh H.
Australia · Jan 2026
Solid overall, just wish there was a bit more data for the price. Coverage was strong even outside the city.
Laura
GotoeSIM Support
· 7 months ago Appreciate you sharing this, Linh. Glad it mostly worked for you in Japan — we're always improving our coverage. Reach us anytime at gotoesim.com/support if we can help. – Laura, GotoeSIM Support
James K.
Canada · Jan 2026
Saved me a fortune on my holiday. Coverage was strong even outside the city.
Yuki
GotoeSIM Support
· 7 months ago Thanks a lot, James! Great to know the setup was quick and easy. – Yuki, GotoeSIM Support
Diego L.
Sweden · Jan 2026
Used this on my trip and it worked perfectly. I kept my normal number for calls while using this for data. Will use GotoeSIM for my next trip for sure.
Laura
GotoeSIM Support
· 7 months ago Thank you for the kind words, Diego! Delighted the speeds worked well for you. Come back anytime! – Laura, GotoeSIM Support
Omar S.
France · Jan 2026
First time using an eSIM and it was painless. Streaming and video calls worked without buffering. Highly recommend for any traveller.
Tom
GotoeSIM Support
· 7 months ago Thanks a lot, Omar! So pleased it saved you from roaming bills. Enjoy your journeys! – Tom 💜
Louis L.
India · Jan 2026
Super easy to set up before I flew out. Setup instructions in the app were clear and simple. Zero regrets.
Emma
GotoeSIM Support
· 7 months ago Thanks for sharing, Louis! So happy the Japan eSIM kept you connected. Wishing you many more connected adventures! — Emma, GotoeSIM Support
Noah P.
New Zealand · Jan 2026
Saved me a fortune on my holiday. Coverage was strong even outside the city.
Ken
GotoeSIM Support
· 7 months ago Thank you for the kind words, Noah! Thrilled it made staying connected effortless. We're here whenever you travel again. – Ken 💜
Ryan H.
Egypt · Jan 2026
Used this on my trip and it worked perfectly. Ran hotspot to my laptop with no issues. Will use GotoeSIM for my next trip for sure.
Priya
GotoeSIM Support
· 7 months ago Thank you so much, Ryan! So happy the Japan eSIM kept you connected. We're here whenever you travel again. — Priya
Emma R.
Vietnam · Jan 2026
Bought it the night before my flight — smooth process. Topping up was straightforward when I needed more.
Ken
GotoeSIM Support
· 7 months ago Thanks a lot, Emma! So pleased it saved you from roaming bills. We're here whenever you travel again. – Ken, GotoeSIM Support
Ava L.
Switzerland · Jan 2026
Installed in minutes by scanning the QR code. Speeds were solid for maps, messaging and browsing. Telling my friends about this.
Mark
GotoeSIM Support
· 7 months ago So glad to hear this, Ava! So pleased it saved you from roaming bills. – Mark, GotoeSIM Support
Mei P.
Indonesia · Jan 2026
Bought it the night before my flight — smooth process. The QR code arrived instantly by email.
Emma
GotoeSIM Support
· 7 months ago Really appreciate this, Mei! So happy the Japan eSIM kept you connected. We're here whenever you travel again. — Emma, 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