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
James H.
Vietnam · Aug 2025
Installed in minutes by scanning the QR code. Ran hotspot to my laptop with no issues. Would definitely buy again.
Anna
eSIM TopUp Support
· 1 year ago Cheers, James! Great to know the setup was quick and easy. Come back anytime! — Anna
Louis H.
Netherlands · Aug 2025
Bought it the night before my flight — smooth process. Activation was automatic when I arrived. Five stars from me.
Mark
eSIM TopUp Support
· 1 year ago Thank you for the kind words, Louis! So happy the Japan eSIM kept you connected. We're here whenever you travel again. — Mark, eSIM TopUp Support
Beatriz V.
Brazil · Aug 2025
Exactly what I needed for travelling. I kept my normal number for calls while using this for data.
Priya
eSIM TopUp Support
· 1 year ago So glad to hear this, Beatriz! Wonderful to hear it worked smoothly in Japan. Safe travels, and see you on your next trip! – Priya 💜
Anna D.
Egypt · Aug 2025
Super easy to set up before I flew out. Topping up was straightforward when I needed more.
David
eSIM TopUp Support
· 1 year ago Really appreciate this, Anna! Wonderful to hear it worked smoothly in Japan. Safe travels, and see you on your next trip! – David, eSIM TopUp Support
Sarah W.
Thailand · Aug 2025
Did the job without any drama. Streaming and video calls worked without buffering.
Ken
eSIM TopUp Support
· 1 year ago Thank you for the kind words, Sarah! So happy the Japan eSIM kept you connected. — Ken, eSIM TopUp Support
Kenji R.
Australia · Aug 2025
Installed in minutes by scanning the QR code. Coverage was strong even outside the city. Telling my friends about this.
Mark
eSIM TopUp Support
· 1 year ago Thanks for sharing, Kenji! Love that you were online the moment you landed in Japan. Come back anytime! — Mark
Somchai D.
Brazil · Jul 2025
First time using an eSIM and it was painless. I kept my normal number for calls while using this for data. Five stars from me.
Ingrid
eSIM TopUp Support
· 1 year ago Thank you so much, Somchai! So pleased it saved you from roaming bills. Enjoy your journeys! – Ingrid, eSIM TopUp Support
Sri R.
Singapore · Jul 2025
Great value compared to roaming charges. Streaming and video calls worked without buffering.
Sara
eSIM TopUp Support
· 1 year ago Really appreciate this, Sri! Thrilled it made staying connected effortless. Enjoy your journeys! – Sara, eSIM TopUp Support
Sophia D.
Ireland · Jul 2025
Used this on my trip and it worked perfectly. Activation was automatic when I arrived in Japan. Will use eSIM TopUp for my next trip for sure.
Ken
eSIM TopUp Support
· 1 year ago Thank you for the kind words, Sophia! Delighted the speeds worked well for you. Wishing you many more connected adventures! — Ken
Sofia C.
Switzerland · Jul 2025
Exactly what I needed for travelling. I kept my normal number for calls while using this for data. Great experience overall.
Laura
eSIM TopUp Support
· 1 year ago So glad to hear this, Sofia! Thrilled it made staying connected effortless. – Laura 💜
Daniel R.
Australia · Jul 2025
Honestly better than buying a local SIM at the airport. Speeds were solid for maps, messaging and browsing.
Laura
eSIM TopUp Support
· 1 year ago Really appreciate this, Daniel! So happy the Japan eSIM kept you connected. Come back anytime! — Laura, eSIM TopUp Support
Lucia G.
Switzerland · Jul 2025
Installed in minutes by scanning the QR code. Speeds were solid for maps, messaging and browsing. Made staying connected effortless.
James
eSIM TopUp Support
· 1 year ago Cheers, Lucia! So pleased it saved you from roaming bills. We're here whenever you travel again. — James
Liam R.
Indonesia · Jul 2025
Used this on my trip and it worked perfectly. Customer support answered my question quickly. Telling my friends about this.
Mark
eSIM TopUp Support
· 1 year ago Thank you so much, Liam! So happy the Japan eSIM kept you connected. — Mark, eSIM TopUp Support
Nguyen G.
Turkey · Jul 2025
Saved me a fortune on my holiday. Topping up was straightforward when I needed more.
James
eSIM TopUp Support
· 1 year ago So glad to hear this, Nguyen! Wonderful to hear it worked smoothly in Japan. We're here whenever you travel again. – James 💜
Sofia K.
Thailand · Jul 2025
Honestly better than buying a local SIM at the airport. Streaming and video calls worked without buffering.
Anna
eSIM TopUp Support
· 1 year ago Thank you so much, Sofia! Great to know the setup was quick and easy. Come back anytime! — Anna, 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?