Japan eSIM — reviews & details
Japan 3GB 30Days (IIJ) · 3 GB · 30 days
620 reviews
Coverage & networks
- Japan NTT docomo 4G
Traveller reviews
Emma V.
Singapore · Dec 2025
Saved me a fortune on my holiday. Customer support answered my question quickly. Great experience overall.
Laura
GotoeSIM Support
· 8 months ago Thanks for sharing, Emma! Wonderful to hear it worked smoothly in Japan. Wishing you many more connected adventures! — Laura, eSIM TopUp Support
Aisha K.
Malaysia · Dec 2025
Exactly what I needed for travelling. Streaming and video calls worked without buffering. Would definitely buy again.
Ken
GotoeSIM Support
· 8 months ago Cheers, Aisha! Love that you were online the moment you landed in Japan. — Ken
Camila P.
UAE · Dec 2025
Solid overall, just wish there was a bit more data for the price. Data lasted the whole trip with room to spare.
Sophie
GotoeSIM Support
· 8 months ago Thank you for taking the time, Camila. Glad it mostly worked for you in Japan — we're always improving our coverage. Any questions, our team is at esimtopup.io/support. — Sophie, eSIM TopUp Support
Ingrid N.
Japan · Dec 2025
Connected the moment I landed. Customer support answered my question quickly. Exactly as described — no surprises.
David
GotoeSIM Support
· 8 months ago Thanks a lot, Ingrid! So pleased it saved you from roaming bills. Safe travels, and see you on your next trip! – David 💜
Priya M.
Thailand · Dec 2025
Connected the moment I landed. Activation was automatic when I arrived in Japan. Made staying connected effortless.
Laura
GotoeSIM Support
· 8 months ago Thanks a lot, Priya! Thrilled it made staying connected effortless. — Laura, eSIM TopUp Support
Daniel C.
Egypt · Dec 2025
Did the job without any drama. Speeds were solid for maps, messaging and browsing.
Diego
GotoeSIM Support
· 8 months ago Really appreciate this, Daniel! So pleased it saved you from roaming bills. Enjoy your journeys! — Diego, eSIM TopUp Support
Sven G.
Egypt · Dec 2025
First time using an eSIM and it was painless. Activation was automatic when I arrived. A must-have for international travel.
Yuki
GotoeSIM Support
· 8 months ago Thank you so much, Sven! Great to know the setup was quick and easy. Wishing you many more connected adventures! — Yuki
Olivia S.
UAE · Dec 2025
Used this on my trip and it worked perfectly in Japan. Streaming and video calls worked without buffering.
Omar
GotoeSIM Support
· 8 months ago Thanks for sharing, Olivia! So pleased it saved you from roaming bills. — Omar, eSIM TopUp Support
Ingrid C.
Vietnam · Dec 2025
Did the job without any drama. Ran hotspot to my laptop with no issues. Would definitely buy again.
Tom
GotoeSIM Support
· 8 months ago Cheers, Ingrid! Great to know the setup was quick and easy. Wishing you many more connected adventures! — Tom, eSIM TopUp Support
Mei B.
India · Dec 2025
First time using an eSIM and it was painless. I kept my normal number for calls while using this for data. Zero regrets.
Grace
GotoeSIM Support
· 8 months ago Thank you for the kind words, Mei! Delighted the speeds worked well for you. — Grace
Louis P.
United States · Dec 2025
Honestly better than buying a local SIM at the airport. Customer support answered my question quickly. Made staying connected effortless.
Ken
GotoeSIM Support
· 8 months ago Thank you so much, Louis! Wonderful to hear it worked smoothly in Japan. – Ken, eSIM TopUp Support
Yuki V.
France · Dec 2025
Exactly what I needed for travelling. Activation was automatic when I arrived.
David
GotoeSIM Support
· 8 months ago Cheers, Yuki! Delighted the speeds worked well for you. — David, eSIM TopUp Support
Budi H.
Poland · Dec 2025
Installed in minutes by scanning the QR code in Japan. Speeds were solid for maps, messaging and browsing. Highly recommend for any traveller.
Grace
GotoeSIM Support
· 8 months ago Thanks a lot, Budi! So happy the Japan eSIM kept you connected. — Grace, eSIM TopUp Support
Elena M.
Turkey · Dec 2025
Saved me a fortune on my holiday. Topping up was straightforward when I needed more.
Sara
GotoeSIM Support
· 8 months ago Cheers, Elena! Delighted the speeds worked well for you. We're here whenever you travel again. — Sara, eSIM TopUp Support
Emma B.
India · Dec 2025
First time using an eSIM and it was painless in Japan. Topping up was straightforward when I needed more. Would definitely buy again.
Emma
GotoeSIM Support
· 8 months ago Thank you so much, Emma! So pleased it saved you from roaming bills. Come back anytime! — Emma
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?