Japan eSIM — reviews & details
Japan 20GB 30Days (IIJ) · 20 GB · 30 days
620 reviews
Coverage & networks
- Japan NTT docomo 4G
Traveller reviews
Mei M.
Germany · Jan 2025
Bought it the night before my flight — smooth process. Speeds were solid for maps, messaging and browsing. Will use eSIM TopUp for my next trip for sure.
Omar
GotoeSIM Support
· 1 year ago Thanks for sharing, Mei! So pleased it saved you from roaming bills. Enjoy your journeys! – Omar, eSIM TopUp Support
Max N.
India · Jan 2025
Saved me a fortune on my holiday. Customer support answered my question quickly.
Tom
GotoeSIM Support
· 1 year ago Really appreciate this, Max! So pleased it saved you from roaming bills. Enjoy your journeys! – Tom, eSIM TopUp Support
Anna H.
Germany · Jan 2025
Great value compared to roaming charges. Speeds were solid for maps, messaging and browsing.
Sara
GotoeSIM Support
· 1 year ago Really appreciate this, Anna! Wonderful to hear it worked smoothly in Japan. We're here whenever you travel again. — Sara, eSIM TopUp Support
Aisha G.
United States · Jan 2025
Used this on my trip and it worked perfectly. Ran hotspot to my laptop with no issues. Highly recommend for any traveller.
Diego
GotoeSIM Support
· 1 year ago So glad to hear this, Aisha! So happy the Japan eSIM kept you connected. We're here whenever you travel again. — Diego
Aisha C.
Japan · Jan 2025
Connected the moment I landed. I kept my normal number for calls while using this for data. Will use eSIM TopUp for my next trip for sure.
Grace
GotoeSIM Support
· 1 year ago Really appreciate this, Aisha! Love that you were online the moment you landed in Japan. Come back anytime! — Grace
Viktor B.
Netherlands · Jan 2025
Did the job without any drama. I kept my normal number for calls while using this for data.
Emma
GotoeSIM Support
· 1 year ago So glad to hear this, Viktor! Thrilled it made staying connected effortless. Enjoy your journeys! — Emma
Carlos M.
Ireland · Jan 2025
Exactly what I needed for travelling. Setup instructions in the app were clear and simple.
Anna
GotoeSIM Support
· 1 year ago Thanks a lot, Carlos! So pleased it saved you from roaming bills. Safe travels, and see you on your next trip! — Anna, eSIM TopUp Support
Sarah W.
Spain · Jan 2025
Bought it the night before my flight — smooth process. Activation was automatic when I arrived. Zero regrets.
Sophie
GotoeSIM Support
· 1 year ago Really appreciate this, Sarah! So happy the Japan eSIM kept you connected. Enjoy your journeys! – Sophie 💜
Ryan N.
Philippines · Jan 2025
Used this on my trip and it worked perfectly in Japan. Signal held up well on trains and in rural areas.
David
GotoeSIM Support
· 1 year ago Cheers, Ryan! Love that you were online the moment you landed in Japan. Enjoy your journeys! – David, eSIM TopUp Support
Lucia N.
Malaysia · Jan 2025
Bought it the night before my flight — smooth process in Japan. Ran hotspot to my laptop with no issues. Made staying connected effortless.
Ingrid
GotoeSIM Support
· 1 year ago Thank you so much, Lucia! Thrilled it made staying connected effortless. Come back anytime! – Ingrid, eSIM TopUp Support
Yuki F.
India · Jan 2025
Great value compared to roaming charges. Topping up was straightforward when I needed more. Zero regrets.
Grace
GotoeSIM Support
· 1 year ago Thanks a lot, Yuki! So happy the Japan eSIM kept you connected. We're here whenever you travel again. – Grace 💜
Ravi L.
Brazil · Jan 2025
Installed in minutes by scanning the QR code in Japan. Setup instructions in the app were clear and simple. Zero regrets.
Ingrid
GotoeSIM Support
· 1 year ago Thank you for the kind words, Ravi! Great to know the setup was quick and easy. We're here whenever you travel again. — Ingrid
Priya P.
Singapore · Jan 2025
Great value compared to roaming charges. Streaming and video calls worked without buffering. Would definitely buy again.
Grace
GotoeSIM Support
· 1 year ago Thanks a lot, Priya! Love that you were online the moment you landed in Japan. Wishing you many more connected adventures! — Grace, eSIM TopUp Support
Mateo T.
Thailand · Jan 2025
Honestly better than buying a local SIM at the airport. Activation was automatic when I arrived. Highly recommend for any traveller.
Priya
GotoeSIM Support
· 1 year ago Thank you for the kind words, Mateo! Great to know the setup was quick and easy. Wishing you many more connected adventures! — Priya
Emma R.
Vietnam · Jan 2025
No more hunting for a SIM card kiosk on arrival in Japan. Customer support answered my question quickly. Would definitely buy again.
Diego
GotoeSIM Support
· 1 year ago So glad to hear this, Emma! Great to know the setup was quick and easy. — Diego, eSIM TopUp Support
Frequently asked questions
How much does the Japan eSIM cost?
The Japan 20GB 30Days (IIJ) plan costs $12.30 for 20 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
Katya K. · 2 months ago
Is 5G supported or just 4G?
Katya V. · 7 months ago
Thanks, installed with no problems on my Samsung.
Beatriz C. · 8 months ago
Is roaming charged extra or is it all included?
Lea B. · 8 months ago
Will this keep my WhatsApp active with my home number?
Kenji R. · 9 months ago
Do I need to install it before I travel or after I arrive?
Zoe V. · 9 months ago
How do I check how much data I have left?
Grace C. · 10 months ago
Great guide, the setup steps were really helpful.
Camila M. · 11 months ago
Can I use it in nearby countries too?
Mateo B. · 11 months ago
Which networks does this connect to?
Beatriz R. · 11 months ago
Does the validity start on purchase or on first use?
Sarah V. · 11 months ago
How long does the QR code take to arrive after payment?
Thomas N. · 1 year ago
Can I top up the same eSIM instead of buying a new one?