Japan eSIM — reviews & details
Japan 50GB 30Days (IIJ) · 50 GB · 30 days
620 reviews
Coverage & networks
- Japan NTT docomo 4G
Traveller reviews
Daniel R.
South Korea · Jun 2026
Super easy to set up before I flew out. Coverage was strong even outside the city.
James
GotoeSIM Support
· 1 month ago So glad to hear this, Daniel! Thrilled it made staying connected effortless. — James
Lucas H.
Ireland · Jun 2026
Did the job without any drama. I kept my normal number for calls while using this for data.
Ingrid
GotoeSIM Support
· 1 month ago Thank you for the kind words, Lucas! Love that you were online the moment you landed in Japan. Enjoy your journeys! – Ingrid, GotoeSIM Support
Mateo F.
UAE · Jun 2026
Bought it the night before my flight — smooth process. Activation was automatic when I arrived in Japan.
Yuki
GotoeSIM Support
· 1 month ago Really appreciate this, Mateo! Great to know the setup was quick and easy. Wishing you many more connected adventures! — Yuki
Arjun P.
UAE · Jun 2026
First time using an eSIM and it was painless in Japan. Customer support answered my question quickly.
Anna
GotoeSIM Support
· 1 month ago Really appreciate this, Arjun! Great to know the setup was quick and easy. Safe travels, and see you on your next trip! – Anna 💜
Daniel D.
Malaysia · Jun 2026
Worked fine but took a little while to connect at first.
Ingrid
GotoeSIM Support
· 1 month ago Thanks for the honest feedback, Daniel. We're constantly optimising speeds and coverage across Japan. Reach us anytime at gotoesim.com/support if we can help. — Ingrid
Ananya D.
United States · Jun 2026
Saved me a fortune on my holiday. Signal held up well on trains and in rural areas.
Yuki
GotoeSIM Support
· 1 month ago Thank you so much, Ananya! Great to know the setup was quick and easy. We're here whenever you travel again. – Yuki 💜
Hana L.
France · Jun 2026
Used this on my trip and it worked perfectly. Customer support answered my question quickly. Exactly as described — no surprises.
Mark
GotoeSIM Support
· 1 month ago Cheers, Hana! Wonderful to hear it worked smoothly in Japan. – Mark 💜
Ethan B.
Turkey · Jun 2026
Installed in minutes by scanning the QR code in Japan. Signal held up well on trains and in rural areas. Great experience overall.
Laura
GotoeSIM Support
· 1 month ago Thank you for the kind words, Ethan! Love that you were online the moment you landed in Japan. We're here whenever you travel again. – Laura 💜
Louis H.
Malaysia · Jun 2026
Great value compared to roaming charges in Japan. Signal held up well on trains and in rural areas. Great experience overall.
Yuki
GotoeSIM Support
· 1 month ago Thank you so much, Louis! Great to know the setup was quick and easy. – Yuki, GotoeSIM Support
Arjun L.
France · Jun 2026
Used this on my trip and it worked perfectly. Speeds were solid for maps, messaging and browsing.
Ken
GotoeSIM Support
· 1 month ago Thanks for sharing, Arjun! So happy the Japan eSIM kept you connected. – Ken 💜
Beatriz P.
Ireland · Jun 2026
Used this on my trip and it worked perfectly. Activation was automatic when I arrived.
Anna
GotoeSIM Support
· 1 month ago Really appreciate this, Beatriz! Wonderful to hear it worked smoothly in Japan. Safe travels, and see you on your next trip! – Anna, GotoeSIM Support
Beatriz F.
UAE · Jun 2026
Honestly better than buying a local SIM at the airport. Coverage was strong even outside the city. Five stars from me.
Sara
GotoeSIM Support
· 1 month ago Thanks for sharing, Beatriz! Wonderful to hear it worked smoothly in Japan. We're here whenever you travel again. — Sara, GotoeSIM Support
Lucas B.
Turkey · Jun 2026
Saved me a fortune on my holiday. Activation was automatic when I arrived in Japan. Highly recommend for any traveller.
Sophie
GotoeSIM Support
· 1 month ago So glad to hear this, Lucas! Great to know the setup was quick and easy. We're here whenever you travel again. – Sophie 💜
Arjun S.
United Kingdom · Jun 2026
Exactly what I needed for travelling. Data lasted the whole trip with room to spare. Telling my friends about this.
Ingrid
GotoeSIM Support
· 1 month ago Cheers, Arjun! Thrilled it made staying connected effortless. — Ingrid
Giulia W.
Netherlands · May 2026
Connected the moment I landed in Japan. Speeds were solid for maps, messaging and browsing. Zero regrets.
Yuki
GotoeSIM Support
· 1 month ago Thanks for sharing, Giulia! Great to know the setup was quick and easy. — Yuki
Frequently asked questions
How much does the Japan eSIM cost?
The Japan 50GB 30Days (IIJ) plan costs $25.50 for 50 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
Beatriz H. · 3 days ago
Can I top up the same eSIM instead of buying a new one?
Topping up is easy, Beatriz! Just add more data to your existing eSIM in the app. – Yuki 💜
Isabella L. · 1 month ago
Do I need to install it before I travel or after I arrive?
Install on Wi-Fi before you fly, Isabella — it switches on when you land. – Diego 💜
Diego K. · 2 months ago
Thanks, installed with no problems on my Samsung.
It works great on modern Samsung phones, Diego! Add it via SIM manager and you're set. – Sara, GotoeSIM Support
Chloe L. · 4 months ago
How long does the QR code take to arrive after payment?
Your QR code arrives instantly, Chloe — within seconds of payment, by email and in your account. — Mark, GotoeSIM Support
Thomas K. · 5 months ago
Does the validity start on purchase or on first use?
The clock starts on first use in-country, Thomas, so buying early is totally fine. — Priya
Isabella V. · 5 months ago
Is 5G supported or just 4G?
5G is available where covered, Isabella — you'll always get the best speed on offer. – Emma, GotoeSIM Support
Hugo V. · 5 months ago
Which networks does this connect to?
You'll be on top local networks, Hugo — full details are on the plan page under Coverage. – Tom, GotoeSIM Support
Louis V. · 6 months ago
Does this work on an iPhone 13?
Yes Louis, it works on iPhone XS and newer — just add the eSIM under Settings › Cellular › Add eSIM. — Sara, GotoeSIM Support
Hana P. · 6 months ago
Is roaming charged extra or is it all included?
No surprise fees, Hana! Roaming is part of the plan and never billed separately. — Omar
Louis B. · 9 months ago
Will this keep my WhatsApp active with my home number?
Yes Louis, WhatsApp keeps working with your home number — the eSIM only carries data. — Anna, GotoeSIM Support
Thomas L. · 11 months ago
Can I use this for hotspot/tethering?
Yes Thomas, hotspot/tethering works fine — share your data to a laptop or tablet anytime. – Grace 💜
Sofia T. · 1 year ago
How do I check how much data I have left?
You can check remaining data anytime in the GotoeSIM app under My eSIMs, Sofia. – Priya, GotoeSIM Support