Japan eSIM — reviews & details
Japan 5GB 30Days · 5 GB · 30 days
620 reviews
Coverage & networks
- Japan NTT docomo 5G Rakuten Mobile 5G KDDI/au 5G SoftBank 5G
Traveller reviews
Grace M.
Canada · May 2026
Great value compared to roaming charges. I kept my normal number for calls while using this for data. Five stars from me.
Sophie
GotoeSIM Support
· 2 months ago Really appreciate this, Grace! So happy the Japan eSIM kept you connected. — Sophie, eSIM TopUp Support
Priya H.
Brazil · May 2026
Honestly better than buying a local SIM at the airport. Setup instructions in the app were clear and simple. Zero regrets.
Mark
GotoeSIM Support
· 2 months ago Thanks a lot, Priya! Thrilled it made staying connected effortless. We're here whenever you travel again. – Mark 💜
Nadia F.
Vietnam · May 2026
Did the job without any drama. Setup instructions in the app were clear and simple. Five stars from me.
Emma
GotoeSIM Support
· 2 months ago Thanks a lot, Nadia! Thrilled it made staying connected effortless. – Emma, eSIM TopUp Support
Marco C.
Ireland · May 2026
Great value compared to roaming charges. Data lasted the whole trip with room to spare. A must-have for international travel.
Priya
GotoeSIM Support
· 2 months ago Thanks for sharing, Marco! So happy the Japan eSIM kept you connected. Enjoy your journeys! – Priya 💜
Ava S.
Vietnam · May 2026
Good coverage in the city, a bit patchy in remote areas.
Diego
GotoeSIM Support
· 2 months ago Appreciate you sharing this, Ava. 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, eSIM TopUp Support
Max V.
Poland · May 2026
Great value compared to roaming charges. Signal held up well on trains and in rural areas. Highly recommend for any traveller.
Sophie
GotoeSIM Support
· 2 months ago Thank you for the kind words, Max! So happy the Japan eSIM kept you connected. Safe travels, and see you on your next trip! — Sophie, eSIM TopUp Support
Fatima R.
Japan · May 2026
Decent speeds, though slower than I expected in a few spots.
Priya
GotoeSIM Support
· 2 months ago So sorry to hear this, Fatima. This isn't the standard we aim for. Please contact us at esimtopup.io/support and we'll sort it out. – Priya, eSIM TopUp Support
Sri P.
Egypt · May 2026
Great value compared to roaming charges. Customer support answered my question quickly. Exactly as described — no surprises.
Ingrid
GotoeSIM Support
· 2 months ago Thanks for sharing, Sri! So happy the Japan eSIM kept you connected. Enjoy your journeys! – Ingrid 💜
Isabella R.
New Zealand · May 2026
Honestly better than buying a local SIM at the airport. The QR code arrived instantly by email. Telling my friends about this.
Diego
GotoeSIM Support
· 2 months ago Thank you so much, Isabella! Love that you were online the moment you landed in Japan. — Diego
Viktor B.
India · May 2026
Decent speeds, though slower than I expected in a few spots.
Ingrid
GotoeSIM Support
· 2 months ago Thank you for taking the time, Viktor. 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
Sri F.
Ireland · May 2026
Did the job without any drama. Streaming and video calls worked without buffering. Would definitely buy again.
Grace
GotoeSIM Support
· 2 months ago Thank you for the kind words, Sri! Wonderful to hear it worked smoothly in Japan. Safe travels, and see you on your next trip! – Grace, eSIM TopUp Support
Nguyen C.
India · May 2026
Honestly better than buying a local SIM at the airport. Customer support answered my question quickly. A must-have for international travel.
James
GotoeSIM Support
· 2 months ago Really appreciate this, Nguyen! So happy the Japan eSIM kept you connected. — James, eSIM TopUp Support
Lucia F.
Saudi Arabia · May 2026
Saved me a fortune on my holiday in Japan. Data lasted the whole trip with room to spare. Made staying connected effortless.
Sophie
GotoeSIM Support
· 2 months ago Really appreciate this, Lucia! So happy the Japan eSIM kept you connected. Safe travels, and see you on your next trip! – Sophie 💜
Haruto D.
Ireland · May 2026
Bought it the night before my flight — smooth process. Signal held up well on trains and in rural areas. Made staying connected effortless.
Yuki
GotoeSIM Support
· 2 months ago Thanks a lot, Haruto! Delighted the speeds worked well for you. Safe travels, and see you on your next trip! – Yuki 💜
Nguyen B.
Ireland · May 2026
Good coverage in the city, a bit patchy in remote areas.
Yuki
GotoeSIM Support
· 2 months ago Thank you for taking the time, Nguyen. 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. – Yuki, eSIM TopUp Support
Frequently asked questions
How much does the Japan eSIM cost?
The Japan 5GB 30Days 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
Andre K. · 1 month ago
Can I top up the same eSIM instead of buying a new one?
Sophia K. · 1 month ago
Does this work on an iPhone 13?
Emma T. · 2 months ago
Do I need to install it before I travel or after I arrive?
Marco B. · 3 months ago
Can I use this for hotspot/tethering?
Nguyen K. · 5 months ago
Thanks, installed with no problems on my Samsung.
Grace H. · 5 months ago
Does the validity start on purchase or on first use?
Ethan B. · 6 months ago
Great guide, the setup steps were really helpful.
Grace C. · 7 months ago
Can I use it in nearby countries too?
Camila P. · 8 months ago
Is roaming charged extra or is it all included?
Giulia M. · 9 months ago
Which networks does this connect to?
Fatima T. · 9 months ago
Will this keep my WhatsApp active with my home number?
Haruto H. · 1 year ago
How do I check how much data I have left?