Japan eSIM — reviews & details
Japan 3GB 30Days (IIJ) · 3 GB · 30 days
620 reviews
Coverage & networks
- Japan NTT docomo 4G
Traveller reviews
Daniel N.
Portugal · Dec 2025
Exactly what I needed for travelling. Activation was automatic when I arrived.
Anna
GotoeSIM Support
· 8 months ago Thanks for sharing, Daniel! Great to know the setup was quick and easy. – Anna 💜
Katya N.
France · Dec 2025
Installed in minutes by scanning the QR code. Streaming and video calls worked without buffering. Zero regrets.
Ken
GotoeSIM Support
· 8 months ago Thanks a lot, Katya! Delighted the speeds worked well for you. Wishing you many more connected adventures! – Ken, eSIM TopUp Support
Liam D.
Poland · Dec 2025
Install took me two tries but was fine after that. Activation was automatic when I arrived.
Grace
GotoeSIM Support
· 8 months ago Appreciate you sharing this, Liam. Glad it mostly worked for you in Japan — we're always improving our coverage. Any questions, our team is at esimtopup.io/support. — Grace, eSIM TopUp Support
Ava H.
Sweden · Nov 2025
Good coverage in the city, a bit patchy in remote areas. Signal held up well on trains and in rural areas.
Yuki
GotoeSIM Support
· 8 months ago Thanks for the honest feedback, Ava. We're constantly optimising speeds and coverage across Japan. Reach us anytime at esimtopup.io/support if we can help. – Yuki, eSIM TopUp Support
Ethan T.
Ireland · Nov 2025
No more hunting for a SIM card kiosk on arrival. Customer support answered my question quickly.
Laura
GotoeSIM Support
· 8 months ago Thank you for the kind words, Ethan! Love that you were online the moment you landed in Japan. Come back anytime! — Laura
Daniel C.
Turkey · Nov 2025
Worked fine but took a little while to connect at first. Ran hotspot to my laptop with no issues.
Laura
GotoeSIM Support
· 8 months ago Thank you for taking the time, Daniel. Glad it mostly worked for you in Japan — we're always improving our coverage. Reach us anytime at esimtopup.io/support if we can help. – Laura 💜
Ethan T.
Portugal · Nov 2025
Super easy to set up before I flew out. Streaming and video calls worked without buffering. Zero regrets.
Emma
GotoeSIM Support
· 8 months ago Cheers, Ethan! So happy the Japan eSIM kept you connected. — Emma
Pablo S.
Portugal · Nov 2025
Connected the moment I landed in Japan. Coverage was strong even outside the city. Zero regrets.
Yuki
GotoeSIM Support
· 8 months ago Cheers, Pablo! So pleased it saved you from roaming bills. Safe travels, and see you on your next trip! – Yuki 💜
Zoe K.
United Kingdom · Nov 2025
Install took me two tries but was fine after that.
Mark
GotoeSIM Support
· 8 months ago So sorry to hear this, Zoe. That's not the experience we want for Japan. Please contact us at esimtopup.io/support and we'll sort it out. – Mark 💜
Mei V.
India · Nov 2025
Used this on my trip and it worked perfectly. Setup instructions in the app were clear and simple.
Ken
GotoeSIM Support
· 8 months ago Cheers, Mei! Wonderful to hear it worked smoothly in Japan. Come back anytime! – Ken, eSIM TopUp Support
Daniel T.
United Kingdom · Nov 2025
Did the job without any drama. Topping up was straightforward when I needed more. Great experience overall.
Ken
GotoeSIM Support
· 8 months ago Really appreciate this, Daniel! So pleased it saved you from roaming bills. – Ken, eSIM TopUp Support
Haruto G.
United States · Nov 2025
Saved me a fortune on my holiday. Ran hotspot to my laptop with no issues. A must-have for international travel.
Anna
GotoeSIM Support
· 9 months ago Thank you so much, Haruto! Thrilled it made staying connected effortless. Safe travels, and see you on your next trip! – Anna 💜
Kenji B.
United Kingdom · Nov 2025
Did the job without any drama. Topping up was straightforward when I needed more. A must-have for international travel.
Sara
GotoeSIM Support
· 9 months ago So glad to hear this, Kenji! Delighted the speeds worked well for you. — Sara
Sarah F.
Brazil · Nov 2025
Connected the moment I landed in Japan. Topping up was straightforward when I needed more.
Anna
GotoeSIM Support
· 9 months ago Thanks a lot, Sarah! So happy the Japan eSIM kept you connected. Enjoy your journeys! – Anna, eSIM TopUp Support
Hugo M.
Turkey · Nov 2025
Bought it the night before my flight — smooth process. Speeds were solid for maps, messaging and browsing. Zero regrets.
Omar
GotoeSIM Support
· 9 months ago Thanks for sharing, Hugo! Great to know the setup was quick and easy. Safe travels, and see you on your next trip! – Omar 💜
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?