Japan eSIM — reviews & details
Japan 5GB 30Days (IIJ) · 5 GB · 30 days
165 reviews
Coverage & networks
- Japan NTT docomo 4G
Traveller reviews
Min-jun L.
Saudi Arabia · Mar 2026
Installed in minutes by scanning the QR code. Coverage was strong even outside the city.
Anna
GotoeSIM Support
· 6 months ago Thank you so much, Min-jun! Delighted the speeds worked well for you. Enjoy your journeys! — Anna, GotoeSIM Support
Mohammed W.
United Kingdom · Mar 2026
Super easy to set up before I flew out. Ran hotspot to my laptop with no issues. Great experience overall.
Emma
GotoeSIM Support
· 6 months ago Cheers, Mohammed! So pleased it saved you from roaming bills. Come back anytime! – Emma, GotoeSIM Support
Fatima R.
Indonesia · Mar 2026
Solid overall, just wish there was a bit more data for the price. Coverage was strong even outside the city.
Sara
GotoeSIM Support
· 6 months ago Thanks for the honest feedback, Fatima. We're constantly optimising speeds and coverage across Japan. Reach us anytime at gotoesim.com/support if we can help. — Sara
Pablo K.
Spain · Mar 2026
Super easy to set up before I flew out. The QR code arrived instantly by email. Made staying connected effortless.
Ken
GotoeSIM Support
· 6 months ago Really appreciate this, Pablo! Great to know the setup was quick and easy. – Ken, GotoeSIM Support
Pablo M.
Singapore · Mar 2026
Great value compared to roaming charges. Customer support answered my question quickly. Zero regrets.
Mark
GotoeSIM Support
· 6 months ago Cheers, Pablo! Wonderful to hear it worked smoothly in Japan. Safe travels, and see you on your next trip! – Mark, GotoeSIM Support
Sarah B.
Egypt · Mar 2026
Super easy to set up before I flew out. Speeds were solid for maps, messaging and browsing. A must-have for international travel.
Diego
GotoeSIM Support
· 6 months ago Thanks a lot, Sarah! Great to know the setup was quick and easy. — Diego
Mohammed F.
Thailand · Mar 2026
Bought it the night before my flight — smooth process. Signal held up well on trains and in rural areas. Would definitely buy again.
David
GotoeSIM Support
· 6 months ago Really appreciate this, Mohammed! So happy the Japan eSIM kept you connected. — David, GotoeSIM Support
Viktor F.
United States · Mar 2026
Super easy to set up before I flew out in Japan. Speeds were solid for maps, messaging and browsing. Telling my friends about this.
Priya
GotoeSIM Support
· 6 months ago Thanks for sharing, Viktor! So pleased it saved you from roaming bills. — Priya, GotoeSIM Support
Sri B.
Germany · Feb 2026
Decent speeds, though slower than I expected in a few spots. Activation was automatic when I arrived.
Tom
GotoeSIM Support
· 6 months ago We're really sorry, Sri. That's not the experience we want for Japan. Please contact us at gotoesim.com/support and we'll sort it out. – Tom 💜
Lucia M.
Malaysia · Feb 2026
Saved me a fortune on my holiday in Japan. I kept my normal number for calls while using this for data.
Omar
GotoeSIM Support
· 6 months ago Thank you for the kind words, Lucia! So happy the Japan eSIM kept you connected. – Omar, GotoeSIM Support
Louis K.
Spain · Feb 2026
No more hunting for a SIM card kiosk on arrival. Setup instructions in the app were clear and simple. Exactly as described — no surprises.
Priya
GotoeSIM Support
· 6 months ago Cheers, Louis! Great to know the setup was quick and easy. Safe travels, and see you on your next trip! — Priya
Nguyen T.
Egypt · Feb 2026
Used this on my trip and it worked perfectly. Speeds were solid for maps, messaging and browsing. Would definitely buy again.
Priya
GotoeSIM Support
· 6 months ago So glad to hear this, Nguyen! Love that you were online the moment you landed in Japan. — Priya
Haruto D.
Brazil · Feb 2026
First time using an eSIM and it was painless in Japan. Ran hotspot to my laptop with no issues.
Anna
GotoeSIM Support
· 6 months ago So glad to hear this, Haruto! Great to know the setup was quick and easy. – Anna, GotoeSIM Support
Isabella K.
Indonesia · Feb 2026
Did the job without any drama. The QR code arrived instantly by email. Five stars from me.
Priya
GotoeSIM Support
· 6 months ago Really appreciate this, Isabella! So happy the Japan eSIM kept you connected. – Priya 💜
Anna D.
Saudi Arabia · Feb 2026
Great value compared to roaming charges. Setup instructions in the app were clear and simple. Great experience overall.
Ingrid
GotoeSIM Support
· 6 months ago Really appreciate this, Anna! Love that you were online the moment you landed in Japan. – 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