Japan eSIM — reviews & details
Japan 5GB 30Days (IIJ) · 5 GB · 30 days
620 reviews
Coverage & networks
- Japan NTT docomo 4G
Traveller reviews
Louis L.
United States · May 2025
Decent speeds, though slower than I expected in a few spots.
Mark
GotoeSIM Support
· 1 year ago Thank you for taking the time, Louis. 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 💜
Pablo G.
United Kingdom · May 2025
Good coverage in the city, a bit patchy in remote areas.
Ingrid
GotoeSIM Support
· 1 year ago Thank you for taking the time, Pablo. We're constantly optimising speeds and coverage across Japan. Reach us anytime at esimtopup.io/support if we can help. — Ingrid, eSIM TopUp Support
Mohammed V.
India · Apr 2025
Decent speeds, though slower than I expected in a few spots. Activation was automatic when I arrived.
Yuki
GotoeSIM Support
· 1 year ago Thanks for the honest feedback, Mohammed. 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. — Yuki
Carlos M.
South Korea · Apr 2025
Install took me two tries but was fine after that. The QR code arrived instantly by email.
Diego
GotoeSIM Support
· 1 year ago Thank you for taking the time, 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. — Diego, eSIM TopUp Support
Thomas R.
United Kingdom · Mar 2025
Good coverage in the city, a bit patchy in remote areas.
Diego
GotoeSIM Support
· 1 year ago Thank you for taking the time, Thomas. 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. – Diego 💜
Anna B.
France · Mar 2025
Install took me two tries but was fine after that.
Grace
GotoeSIM Support
· 1 year ago Thanks for the honest feedback, Anna. Glad it mostly worked for you in Japan — we're always improving our coverage. Any questions, our team is at esimtopup.io/support. — Grace
Camila W.
France · Feb 2025
Worked fine but took a little while to connect at first.
Laura
GotoeSIM Support
· 1 year ago Thank you for taking the time, Camila. 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
Sarah N.
South Korea · Feb 2025
Decent speeds, though slower than I expected in a few spots.
Grace
GotoeSIM Support
· 1 year ago Thanks for the honest feedback, Sarah. 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
Haruto L.
Canada · Feb 2025
Worked fine but took a little while to connect at first.
Anna
GotoeSIM Support
· 1 year ago Appreciate you sharing this, Haruto. 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. — Anna
Chloe G.
Portugal · Jan 2025
Good coverage in the city, a bit patchy in remote areas.
Tom
GotoeSIM Support
· 1 year ago Thank you for taking the time, Chloe. We're constantly optimising speeds and coverage across Japan. Reach us anytime at esimtopup.io/support if we can help. — Tom, eSIM TopUp Support
Marco T.
Indonesia · Jan 2025
Solid overall, just wish there was a bit more data for the price.
Mark
GotoeSIM Support
· 1 year ago Appreciate you sharing this, Marco. Glad it mostly worked for you in Japan — we're always improving our coverage. Any questions, our team is at esimtopup.io/support. – Mark 💜
Nadia R.
Brazil · Dec 2024
Decent speeds, though slower than I expected in a few spots. I kept my normal number for calls while using this for data.
David
GotoeSIM Support
· 1 year ago Thanks for the honest feedback, Nadia. 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. — David
Zoe G.
Italy · Dec 2024
Install took me two tries but was fine after that.
Yuki
GotoeSIM Support
· 1 year ago Thanks for the honest feedback, Zoe. We're constantly optimising speeds and coverage across Japan. Any questions, our team is at esimtopup.io/support. — Yuki
Wei B.
Japan · Dec 2024
Worked fine but took a little while to connect at first.
Anna
GotoeSIM Support
· 1 year ago Appreciate you sharing this, Wei. Glad it mostly worked for you in Japan — we're always improving our coverage. Any questions, our team is at esimtopup.io/support. – Anna, eSIM TopUp Support
Diego G.
Switzerland · Dec 2024
Worked fine but took a little while to connect at first.
James
GotoeSIM Support
· 1 year ago Thanks for the honest feedback, Diego. We're constantly optimising speeds and coverage across Japan. Any questions, our team is at esimtopup.io/support. – James 💜
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?