Japan eSIM — reviews & details
Japan 5GB 30Days (IIJ) · 5 GB · 30 days
620 reviews
Coverage & networks
- Japan NTT docomo 4G
Traveller reviews
Noah W.
Mexico · Dec 2025
Solid overall, just wish there was a bit more data for the price. Activation was automatic when I arrived.
Sophie
GotoeSIM Support
· 7 months ago Appreciate you sharing this, Noah. Good to hear it did the job, and we're working to make it even better. Reach us anytime at esimtopup.io/support if we can help. – Sophie, eSIM TopUp Support
Zoe N.
UAE · Dec 2025
Decent speeds, though slower than I expected in a few spots.
Ingrid
GotoeSIM Support
· 7 months ago Thanks for the honest feedback, Zoe. We're constantly optimising speeds and coverage across Japan. Reach us anytime at esimtopup.io/support if we can help. — Ingrid
Viktor D.
Ireland · Dec 2025
Decent speeds, though slower than I expected in a few spots. Speeds were solid for maps, messaging and browsing.
Laura
GotoeSIM Support
· 8 months ago Thank you for taking the time, Viktor. We're constantly optimising speeds and coverage across Japan. Any questions, our team is at esimtopup.io/support. — Laura, eSIM TopUp Support
Carlos G.
Portugal · Nov 2025
Good coverage in the city, a bit patchy in remote areas.
Grace
GotoeSIM Support
· 8 months ago Appreciate you sharing this, Carlos. 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. — Grace, eSIM TopUp Support
Anna N.
Philippines · Nov 2025
Install took me two tries but was fine after that.
Diego
GotoeSIM Support
· 9 months ago Thank you for taking the time, Anna. Good to hear it did the job, and we're working to make it even better. Any questions, our team is at esimtopup.io/support. – Diego 💜
Lucia F.
Germany · Oct 2025
Solid overall, just wish there was a bit more data for the price.
Mark
GotoeSIM Support
· 9 months ago Appreciate you sharing this, Lucia. Good to hear it did the job, and we're working to make it even better. Reach us anytime at esimtopup.io/support if we can help. – Mark 💜
Chloe M.
Philippines · Oct 2025
Solid overall, just wish there was a bit more data for the price.
Grace
GotoeSIM Support
· 9 months ago Appreciate you sharing this, Chloe. Good to hear it did the job, and we're working to make it even better. Any questions, our team is at esimtopup.io/support. — Grace, eSIM TopUp Support
Andre C.
Portugal · Oct 2025
Good coverage in the city, a bit patchy in remote areas.
James
GotoeSIM Support
· 10 months ago Appreciate you sharing this, Andre. Glad it mostly worked for you in Japan — we're always improving our coverage. Any questions, our team is at esimtopup.io/support. – James 💜
Liam S.
Egypt · Oct 2025
Solid overall, just wish there was a bit more data for the price. Coverage was strong even outside the city.
Yuki
GotoeSIM Support
· 10 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. — Yuki, eSIM TopUp Support
Omar L.
New Zealand · Sep 2025
Decent speeds, though slower than I expected in a few spots.
Grace
GotoeSIM Support
· 10 months ago Thanks for the honest feedback, Omar. Good to hear it did the job, and we're working to make it even better. Reach us anytime at esimtopup.io/support if we can help. — Grace
Somchai R.
Germany · Sep 2025
Worked fine but took a little while to connect at first. Speeds were solid for maps, messaging and browsing.
Ingrid
GotoeSIM Support
· 11 months ago Thanks for the honest feedback, Somchai. 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
Viktor D.
United States · Aug 2025
Worked fine but took a little while to connect at first.
David
GotoeSIM Support
· 11 months ago Thank you for taking the time, Viktor. We're constantly optimising speeds and coverage across Japan. Any questions, our team is at esimtopup.io/support. – David 💜
Elena H.
Indonesia · Aug 2025
Decent speeds, though slower than I expected in a few spots. Coverage was strong even outside the city.
Omar
GotoeSIM Support
· 11 months ago Thanks for the honest feedback, Elena. Good to hear it did the job, and we're working to make it even better. Any questions, our team is at esimtopup.io/support. — Omar, eSIM TopUp Support
Sven M.
Canada · Aug 2025
Worked fine but took a little while to connect at first.
Grace
GotoeSIM Support
· 1 year ago Thanks for the honest feedback, Sven. Good to hear it did the job, and we're working to make it even better. Reach us anytime at esimtopup.io/support if we can help. — Grace, eSIM TopUp Support
Max M.
New Zealand · Jul 2025
Install took me two tries but was fine after that. Signal held up well on trains and in rural areas.
Sara
GotoeSIM Support
· 1 year ago Thanks for the honest feedback, Max. 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. – Sara, eSIM TopUp Support
Frequently asked questions
How much does the Japan eSIM cost?
The Japan 5GB 30Days (IIJ) plan costs $4.05 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 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
Sofia K. · 2 weeks ago
Do I need to install it before I travel or after I arrive?
Ravi V. · 1 month ago
Is roaming charged extra or is it all included?
Daniel C. · 3 months ago
How do I check how much data I have left?
James N. · 3 months ago
Does this work on an iPhone 13?
Nadia K. · 3 months ago
Can I top up the same eSIM instead of buying a new one?
Min-jun P. · 3 months ago
Does the validity start on purchase or on first use?
Aisha R. · 3 months ago
Can I use this for hotspot/tethering?
Nadia D. · 4 months ago
Thanks, installed with no problems on my Samsung.
Sri T. · 5 months ago
Is 5G supported or just 4G?
Diego V. · 5 months ago
Can I use it in nearby countries too?
Liam G. · 5 months ago
Great guide, the setup steps were really helpful.
Ava F. · 10 months ago
How long does the QR code take to arrive after payment?