Japan eSIM — reviews & details
Japan 3GB 30Days (IIJ) · 3 GB · 30 days
620 reviews
Coverage & networks
- Japan NTT docomo 4G
Traveller reviews
Wei L.
United States · Jul 2025
No more hunting for a SIM card kiosk on arrival. Customer support answered my question quickly. A must-have for international travel.
Grace
GotoeSIM Support
· 1 year ago So glad to hear this, Wei! Delighted the speeds worked well for you. — Grace
Arjun R.
UAE · Jul 2025
Installed in minutes by scanning the QR code. Ran hotspot to my laptop with no issues.
Emma
GotoeSIM Support
· 1 year ago So glad to hear this, Arjun! Wonderful to hear it worked smoothly in Japan. Safe travels, and see you on your next trip! – Emma 💜
Katya B.
Thailand · Jul 2025
Connected the moment I landed in Japan. Speeds were solid for maps, messaging and browsing. Great experience overall.
James
GotoeSIM Support
· 1 year ago Cheers, Katya! Thrilled it made staying connected effortless. Come back anytime! – James 💜
Somchai W.
Singapore · Jul 2025
Installed in minutes by scanning the QR code. Signal held up well on trains and in rural areas. Zero regrets.
Anna
GotoeSIM Support
· 1 year ago Thanks for sharing, Somchai! So happy the Japan eSIM kept you connected. Wishing you many more connected adventures! — Anna, eSIM TopUp Support
Lea S.
Mexico · Jun 2025
Connected the moment I landed. The QR code arrived instantly by email. Will use eSIM TopUp for my next trip for sure.
Sara
GotoeSIM Support
· 1 year ago Thanks a lot, Lea! Delighted the speeds worked well for you. Wishing you many more connected adventures! – Sara 💜
James D.
India · Jun 2025
Great value compared to roaming charges. Topping up was straightforward when I needed more.
James
GotoeSIM Support
· 1 year ago Thanks a lot, James! So pleased it saved you from roaming bills. Come back anytime! — James
Mei H.
Indonesia · Jun 2025
First time using an eSIM and it was painless. Ran hotspot to my laptop with no issues. Telling my friends about this.
Yuki
GotoeSIM Support
· 1 year ago Thanks a lot, Mei! Love that you were online the moment you landed in Japan. Wishing you many more connected adventures! — Yuki
Ravi H.
Spain · Jun 2025
First time using an eSIM and it was painless. Setup instructions in the app were clear and simple. Zero regrets.
Diego
GotoeSIM Support
· 1 year ago Thanks for sharing, Ravi! So happy the Japan eSIM kept you connected. Safe travels, and see you on your next trip! — Diego, eSIM TopUp Support
Arjun C.
Italy · Jun 2025
Installed in minutes by scanning the QR code. Data lasted the whole trip with room to spare. Zero regrets.
Priya
GotoeSIM Support
· 1 year ago Cheers, Arjun! Love that you were online the moment you landed in Japan. Wishing you many more connected adventures! – Priya 💜
Sven L.
South Korea · Jun 2025
No more hunting for a SIM card kiosk on arrival. Customer support answered my question quickly. Telling my friends about this.
James
GotoeSIM Support
· 1 year ago Really appreciate this, Sven! Great to know the setup was quick and easy. — James, eSIM TopUp Support
Anna W.
Thailand · Jun 2025
Bought it the night before my flight — smooth process. Coverage was strong even outside the city. Zero regrets.
Mark
GotoeSIM Support
· 1 year ago Thanks a lot, Anna! So happy the Japan eSIM kept you connected. Safe travels, and see you on your next trip! — Mark, eSIM TopUp Support
Pablo N.
Indonesia · Jun 2025
First time using an eSIM and it was painless. Activation was automatic when I arrived. Five stars from me.
Tom
GotoeSIM Support
· 1 year ago Thanks for sharing, Pablo! Love that you were online the moment you landed in Japan. — Tom, eSIM TopUp Support
Sarah L.
UAE · Jun 2025
Install took me two tries but was fine after that.
Omar
GotoeSIM Support
· 1 year ago Appreciate you sharing this, Sarah. 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. — Omar
Anna D.
Vietnam · Jun 2025
No more hunting for a SIM card kiosk on arrival. Activation was automatic when I arrived. Will use eSIM TopUp for my next trip for sure.
Yuki
GotoeSIM Support
· 1 year ago Thank you so much, Anna! Delighted the speeds worked well for you. We're here whenever you travel again. — Yuki
Mateo T.
France · Jun 2025
Connected the moment I landed. Streaming and video calls worked without buffering.
Diego
GotoeSIM Support
· 1 year ago Thank you so much, Mateo! Wonderful to hear it worked smoothly in Japan. Wishing you many more connected adventures! – Diego 💜
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?