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
Lea V.
Vietnam · Sep 2025
Honestly better than buying a local SIM at the airport. Customer support answered my question quickly. Telling my friends about this.
Mark
eSIM TopUp Support
· 11 months ago Cheers, Lea! Great to know the setup was quick and easy. Wishing you many more connected adventures! – Mark, eSIM TopUp Support
Giulia B.
France · Sep 2025
Great value compared to roaming charges. I kept my normal number for calls while using this for data. Great experience overall.
Ken
eSIM TopUp Support
· 11 months ago Thanks for sharing, Giulia! Wonderful to hear it worked smoothly in Japan. – Ken 💜
Isabella S.
Saudi Arabia · Aug 2025
Honestly better than buying a local SIM at the airport. Speeds were solid for maps, messaging and browsing. Five stars from me.
Grace
eSIM TopUp Support
· 11 months ago Thank you for the kind words, Isabella! Love that you were online the moment you landed in Japan. Enjoy your journeys! – Grace, eSIM TopUp Support
Somchai S.
Philippines · Aug 2025
First time using an eSIM and it was painless. Activation was automatic when I arrived.
James
eSIM TopUp Support
· 11 months ago Thank you so much, Somchai! Thrilled it made staying connected effortless. — James, eSIM TopUp Support
Mohammed S.
Singapore · Aug 2025
Connected the moment I landed. Ran hotspot to my laptop with no issues. Telling my friends about this.
Grace
eSIM TopUp Support
· 11 months ago Thank you for the kind words, Mohammed! So pleased it saved you from roaming bills. Come back anytime! — Grace, eSIM TopUp Support
Grace W.
New Zealand · Aug 2025
First time using an eSIM and it was painless. Coverage was strong even outside the city. Great experience overall.
Sara
eSIM TopUp Support
· 11 months ago So glad to hear this, Grace! Thrilled it made staying connected effortless. Come back anytime! – Sara, eSIM TopUp Support
Priya B.
Portugal · Aug 2025
No more hunting for a SIM card kiosk on arrival in Japan. I kept my normal number for calls while using this for data. Five stars from me.
David
eSIM TopUp Support
· 11 months ago Thank you for the kind words, Priya! So pleased it saved you from roaming bills. Come back anytime! – David 💜
James L.
Spain · Aug 2025
Super easy to set up before I flew out. Topping up was straightforward when I needed more. Telling my friends about this.
Mark
eSIM TopUp Support
· 11 months ago Thank you for the kind words, James! Great to know the setup was quick and easy. Enjoy your journeys! — Mark, eSIM TopUp Support
Lea G.
New Zealand · Aug 2025
Installed in minutes by scanning the QR code. Activation was automatic when I arrived in Japan.
James
eSIM TopUp Support
· 11 months ago Thank you for the kind words, Lea! So happy the Japan eSIM kept you connected. Enjoy your journeys! — James, eSIM TopUp Support
Ethan L.
Brazil · Aug 2025
Used this on my trip and it worked perfectly. Coverage was strong even outside the city.
Grace
eSIM TopUp Support
· 11 months ago Thank you for the kind words, Ethan! Love that you were online the moment you landed in Japan. Safe travels, and see you on your next trip! — Grace, eSIM TopUp Support
Ravi L.
Ireland · Aug 2025
Saved me a fortune on my holiday. Coverage was strong even outside the city. Five stars from me.
James
eSIM TopUp Support
· 11 months ago So glad to hear this, Ravi! Great to know the setup was quick and easy. Safe travels, and see you on your next trip! – James, eSIM TopUp Support
Grace T.
Mexico · Aug 2025
Saved me a fortune on my holiday. Data lasted the whole trip with room to spare. Zero regrets.
Diego
eSIM TopUp Support
· 11 months ago So glad to hear this, Grace! Thrilled it made staying connected effortless. – Diego 💜
Nguyen P.
Switzerland · Aug 2025
Installed in minutes by scanning the QR code. Customer support answered my question quickly. Will use eSIM TopUp for my next trip for sure.
Priya
eSIM TopUp Support
· 11 months ago So glad to hear this, Nguyen! So pleased it saved you from roaming bills. – Priya, eSIM TopUp Support
Sarah T.
Brazil · Aug 2025
Installed in minutes by scanning the QR code in Japan. Topping up was straightforward when I needed more. Exactly as described — no surprises.
Tom
eSIM TopUp Support
· 11 months ago Thanks a lot, Sarah! So pleased it saved you from roaming bills. — Tom
Grace P.
Vietnam · Aug 2025
Installed in minutes by scanning the QR code in Japan. Data lasted the whole trip with room to spare.
James
eSIM TopUp Support
· 11 months ago Thank you so much, Grace! Love that you were online the moment you landed in Japan. — James, eSIM TopUp Support
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?