Japan eSIM — reviews & details
Japan 3GB 30Days · 3 GB · 30 days
620 reviews
Coverage & networks
- Japan NTT docomo 5G Rakuten Mobile 5G KDDI/au 5G SoftBank 5G
Traveller reviews
Mei C.
Turkey · Feb 2026
Did the job without any drama. Setup instructions in the app were clear and simple. Would definitely buy again.
Yuki
eSIM TopUp Support
· 6 months ago Cheers, Mei! Great to know the setup was quick and easy. – Yuki 💜
Max P.
Switzerland · Feb 2026
Super easy to set up before I flew out. Signal held up well on trains and in rural areas. Great experience overall.
James
eSIM TopUp Support
· 6 months ago Cheers, Max! Thrilled it made staying connected effortless. – James, eSIM TopUp Support
Somchai C.
Egypt · Feb 2026
No more hunting for a SIM card kiosk on arrival in Japan. Topping up was straightforward when I needed more. A must-have for international travel.
Sophie
eSIM TopUp Support
· 6 months ago Thanks for sharing, Somchai! So pleased it saved you from roaming bills. — Sophie
Ethan L.
Switzerland · Feb 2026
Great value compared to roaming charges. Setup instructions in the app were clear and simple. Zero regrets.
James
eSIM TopUp Support
· 6 months ago Thanks a lot, Ethan! Love that you were online the moment you landed in Japan. Safe travels, and see you on your next trip! – James 💜
Lea R.
Canada · Jan 2026
Installed in minutes by scanning the QR code. Speeds were solid for maps, messaging and browsing. Made staying connected effortless.
Emma
eSIM TopUp Support
· 6 months ago So glad to hear this, Lea! Wonderful to hear it worked smoothly in Japan. Enjoy your journeys! — Emma, eSIM TopUp Support
Ji-woo D.
Indonesia · Jan 2026
Honestly better than buying a local SIM at the airport in Japan. Ran hotspot to my laptop with no issues. Would definitely buy again.
Sophie
eSIM TopUp Support
· 6 months ago Thanks for sharing, Ji-woo! Great to know the setup was quick and easy. — Sophie, eSIM TopUp Support
Sarah N.
Singapore · Jan 2026
Saved me a fortune on my holiday. Activation was automatic when I arrived. Will use eSIM TopUp for my next trip for sure.
Ken
eSIM TopUp Support
· 6 months ago Thanks for sharing, Sarah! Love that you were online the moment you landed in Japan. Come back anytime! – Ken, eSIM TopUp Support
Sarah P.
New Zealand · Jan 2026
Connected the moment I landed in Japan. Speeds were solid for maps, messaging and browsing. A must-have for international travel.
Grace
eSIM TopUp Support
· 7 months ago Thank you so much, Sarah! So happy the Japan eSIM kept you connected. – Grace 💜
Pablo C.
Singapore · Jan 2026
Exactly what I needed for travelling in Japan. Customer support answered my question quickly.
James
eSIM TopUp Support
· 7 months ago Thank you for the kind words, Pablo! Great to know the setup was quick and easy. — James, eSIM TopUp Support
Zoe H.
Netherlands · Jan 2026
Exactly what I needed for travelling. Activation was automatic when I arrived. A must-have for international travel.
Ken
eSIM TopUp Support
· 7 months ago Thank you for the kind words, Zoe! Love that you were online the moment you landed in Japan. Safe travels, and see you on your next trip! – Ken, eSIM TopUp Support
Nadia H.
Indonesia · Dec 2025
No more hunting for a SIM card kiosk on arrival. I kept my normal number for calls while using this for data.
Emma
eSIM TopUp Support
· 7 months ago Thanks a lot, Nadia! Delighted the speeds worked well for you. — Emma
Sarah V.
Vietnam · Dec 2025
Did the job without any drama. The QR code arrived instantly by email. Would definitely buy again.
Sara
eSIM TopUp Support
· 7 months ago Really appreciate this, Sarah! Delighted the speeds worked well for you. Enjoy your journeys! – Sara 💜
Priya B.
UAE · Dec 2025
Installed in minutes by scanning the QR code. Coverage was strong even outside the city. Telling my friends about this.
Yuki
eSIM TopUp Support
· 7 months ago Cheers, Priya! So pleased it saved you from roaming bills. We're here whenever you travel again. — Yuki, eSIM TopUp Support
Beatriz N.
France · Dec 2025
Bought it the night before my flight — smooth process. Ran hotspot to my laptop with no issues. A must-have for international travel.
Priya
eSIM TopUp Support
· 7 months ago Really appreciate this, Beatriz! Love that you were online the moment you landed in Japan. Wishing you many more connected adventures! — Priya, eSIM TopUp Support
Sofia L.
Sweden · Dec 2025
Connected the moment I landed. I kept my normal number for calls while using this for data.
Laura
eSIM TopUp Support
· 8 months ago Thank you so much, Sofia! Thrilled it made staying connected effortless. We're here whenever you travel again. – Laura 💜
Frequently asked questions
How much does the Japan eSIM cost?
The Japan 3GB 30Days 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 G. · 2 months ago
Is 5G supported or just 4G?
Pablo C. · 2 months ago
How do I check how much data I have left?
Grace G. · 2 months ago
Can I use this for hotspot/tethering?
Marco C. · 3 months ago
Can I use it in nearby countries too?
Lucas D. · 3 months ago
Great guide, the setup steps were really helpful.
Ingrid F. · 5 months ago
Is roaming charged extra or is it all included?
Pablo N. · 6 months ago
Does the validity start on purchase or on first use?
Olivia N. · 6 months ago
Does this work on an iPhone 13?
Linh T. · 8 months ago
Can I top up the same eSIM instead of buying a new one?
Viktor P. · 9 months ago
Thanks, installed with no problems on my Samsung.
Carlos L. · 9 months ago
Will this keep my WhatsApp active with my home number?
Sri N. · 1 year ago
Which networks does this connect to?