Japan eSIM — reviews & details
Japan 3GB 30Days (IIJ) · 3 GB · 30 days
620 reviews
Coverage & networks
- Japan NTT docomo 4G
Traveller reviews
Ravi C.
Mexico · Sep 2025
Bought it the night before my flight — smooth process. Topping up was straightforward when I needed more. Highly recommend for any traveller.
Sara
GotoeSIM Support
· 11 months ago Cheers, Ravi! Delighted the speeds worked well for you. — Sara
Camila N.
India · Sep 2025
Super easy to set up before I flew out. Speeds were solid for maps, messaging and browsing. Highly recommend for any traveller.
Tom
GotoeSIM Support
· 11 months ago Thanks for sharing, Camila! Great to know the setup was quick and easy. Wishing you many more connected adventures! — Tom, eSIM TopUp Support
Mei W.
Sweden · Sep 2025
Did the job without any drama. Streaming and video calls worked without buffering.
Laura
GotoeSIM Support
· 11 months ago Thank you so much, Mei! Wonderful to hear it worked smoothly in Japan. — Laura
Lea V.
Brazil · Sep 2025
Used this on my trip and it worked perfectly. Topping up was straightforward when I needed more. Zero regrets.
Diego
GotoeSIM Support
· 11 months ago Thanks a lot, Lea! Wonderful to hear it worked smoothly in Japan. – Diego 💜
Mateo F.
United States · Sep 2025
Installed in minutes by scanning the QR code. The QR code arrived instantly by email. Five stars from me.
Sophie
GotoeSIM Support
· 11 months ago So glad to hear this, Mateo! Delighted the speeds worked well for you. – Sophie 💜
Sophia N.
India · Sep 2025
No more hunting for a SIM card kiosk on arrival in Japan. Streaming and video calls worked without buffering.
Mark
GotoeSIM Support
· 11 months ago Thank you so much, Sophia! Delighted the speeds worked well for you. Safe travels, and see you on your next trip! — Mark
James R.
Saudi Arabia · Aug 2025
Used this on my trip and it worked perfectly. Data lasted the whole trip with room to spare. Exactly as described — no surprises.
James
GotoeSIM Support
· 11 months ago Thanks a lot, James! Wonderful to hear it worked smoothly in Japan. Come back anytime! – James 💜
Camila V.
Philippines · Aug 2025
First time using an eSIM and it was painless in Japan. Signal held up well on trains and in rural areas. Would definitely buy again.
Omar
GotoeSIM Support
· 11 months ago Really appreciate this, Camila! Great to know the setup was quick and easy. — Omar
Thomas W.
Italy · Aug 2025
Connected the moment I landed in Japan. Signal held up well on trains and in rural areas. Will use eSIM TopUp for my next trip for sure.
Sophie
GotoeSIM Support
· 11 months ago Thanks for sharing, Thomas! Love that you were online the moment you landed in Japan. – Sophie 💜
Beatriz B.
Indonesia · Aug 2025
Good coverage in the city, a bit patchy in remote areas.
Ingrid
GotoeSIM Support
· 11 months ago Thank you for taking the time, Beatriz. Glad it mostly worked for you in Japan — we're always improving our coverage. Any questions, our team is at esimtopup.io/support. — Ingrid, eSIM TopUp Support
Linh R.
France · Aug 2025
No more hunting for a SIM card kiosk on arrival. Setup instructions in the app were clear and simple. Five stars from me.
Anna
GotoeSIM Support
· 11 months ago Thanks for sharing, Linh! Delighted the speeds worked well for you. Come back anytime! — Anna, eSIM TopUp Support
Wei F.
United Kingdom · Aug 2025
Honestly better than buying a local SIM at the airport in Japan. Coverage was strong even outside the city.
Grace
GotoeSIM Support
· 11 months ago Really appreciate this, Wei! So happy the Japan eSIM kept you connected. – Grace 💜
Katya L.
Japan · Aug 2025
No more hunting for a SIM card kiosk on arrival. Coverage was strong even outside the city. Great experience overall.
Tom
GotoeSIM Support
· 11 months ago Thanks for sharing, Katya! Wonderful to hear it worked smoothly in Japan. Come back anytime! — Tom
Katya D.
Malaysia · Aug 2025
Connected the moment I landed. Customer support answered my question quickly. Telling my friends about this.
James
GotoeSIM Support
· 11 months ago So glad to hear this, Katya! Wonderful to hear it worked smoothly in Japan. Wishing you many more connected adventures! — James, eSIM TopUp Support
Anna V.
Mexico · Aug 2025
Used this on my trip and it worked perfectly. Data lasted the whole trip with room to spare. Would definitely buy again.
James
GotoeSIM Support
· 11 months ago Thanks a lot, Anna! Thrilled it made staying connected effortless. Come back anytime! – James 💜
Frequently asked questions
How much does the Japan eSIM cost?
The Japan 3GB 30Days (IIJ) plan costs $2.70 for 3 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 eSIM TopUp 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
Pablo L. · 2 weeks ago
How long does the QR code take to arrive after payment?
Priya H. · 1 month ago
How do I check how much data I have left?
Mateo M. · 2 months ago
Will this keep my WhatsApp active with my home number?
Giulia H. · 3 months ago
Does this work on an iPhone 13?
Omar H. · 5 months ago
Is roaming charged extra or is it all included?
Ingrid F. · 6 months ago
Thanks, installed with no problems on my Samsung.
Haruto V. · 6 months ago
Can I use it in nearby countries too?
Noah D. · 7 months ago
Can I use this for hotspot/tethering?
James S. · 7 months ago
Do I need to install it before I travel or after I arrive?
Katya W. · 8 months ago
Can I top up the same eSIM instead of buying a new one?
Noah V. · 8 months ago
Does the validity start on purchase or on first use?
Liam V. · 10 months ago
Which networks does this connect to?