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
Carlos P.
France · May 2026
Installed in minutes by scanning the QR code. Customer support answered my question quickly. Five stars from me.
Ingrid
eSIM TopUp Support
· 3 months ago Thanks a lot, Carlos! So pleased it saved you from roaming bills. — Ingrid
Zoe V.
Vietnam · May 2026
Exactly what I needed for travelling in Japan. Ran hotspot to my laptop with no issues. Five stars from me.
Yuki
eSIM TopUp Support
· 3 months ago Thanks a lot, Zoe! Thrilled it made staying connected effortless. – Yuki, eSIM TopUp Support
Lucia B.
Germany · May 2026
Bought it the night before my flight — smooth process. Ran hotspot to my laptop with no issues. Highly recommend for any traveller.
Grace
eSIM TopUp Support
· 3 months ago Really appreciate this, Lucia! Wonderful to hear it worked smoothly in Japan. – Grace 💜
Lucia H.
Thailand · May 2026
Did the job without any drama. Setup instructions in the app were clear and simple.
Anna
eSIM TopUp Support
· 3 months ago Thanks for sharing, Lucia! Thrilled it made staying connected effortless. Enjoy your journeys! – Anna 💜
Wei P.
UAE · May 2026
Honestly better than buying a local SIM at the airport. Speeds were solid for maps, messaging and browsing. A must-have for international travel.
Tom
eSIM TopUp Support
· 3 months ago Thanks for sharing, Wei! So pleased it saved you from roaming bills. Wishing you many more connected adventures! — Tom
Linh W.
Thailand · May 2026
Install took me two tries but was fine after that.
Sara
eSIM TopUp Support
· 3 months ago Appreciate you sharing this, Linh. Glad it mostly worked for you in Japan — we're always improving our coverage. Any questions, our team is at esimtopup.io/support. – Sara 💜
Anna F.
Singapore · May 2026
Super easy to set up before I flew out. Speeds were solid for maps, messaging and browsing. Zero regrets.
David
eSIM TopUp Support
· 3 months ago Really appreciate this, Anna! So happy the Japan eSIM kept you connected. Come back anytime! — David
Ethan N.
Mexico · Apr 2026
Saved me a fortune on my holiday. The QR code arrived instantly by email. Zero regrets.
Ken
eSIM TopUp Support
· 3 months ago Thanks for sharing, Ethan! So happy the Japan eSIM kept you connected. — Ken
Carlos L.
Poland · Apr 2026
Decent speeds, though slower than I expected in a few spots.
Emma
eSIM TopUp Support
· 3 months ago Appreciate you sharing this, Carlos. Good to hear it did the job, and we're working to make it even better. Any questions, our team is at esimtopup.io/support. – Emma 💜
Yuki N.
Thailand · Apr 2026
Saved me a fortune on my holiday. The QR code arrived instantly by email. Will use eSIM TopUp for my next trip for sure.
James
eSIM TopUp Support
· 3 months ago Thank you for the kind words, Yuki! Love that you were online the moment you landed in Japan. — James
Ava B.
Ireland · Apr 2026
Saved me a fortune on my holiday. I kept my normal number for calls while using this for data.
Grace
eSIM TopUp Support
· 3 months ago Really appreciate this, Ava! So happy the Japan eSIM kept you connected. – Grace 💜
Sophia N.
New Zealand · Apr 2026
Used this on my trip and it worked perfectly. I kept my normal number for calls while using this for data.
Laura
eSIM TopUp Support
· 3 months ago Thanks a lot, Sophia! So happy the Japan eSIM kept you connected. Enjoy your journeys! – Laura, eSIM TopUp Support
Somchai R.
United Kingdom · Apr 2026
Bought it the night before my flight — smooth process. Data lasted the whole trip with room to spare. Great experience overall.
Mark
eSIM TopUp Support
· 3 months ago Thank you for the kind words, Somchai! Thrilled it made staying connected effortless. Safe travels, and see you on your next trip! — Mark, eSIM TopUp Support
Ingrid S.
Netherlands · Apr 2026
Saved me a fortune on my holiday. Signal held up well on trains and in rural areas. Exactly as described — no surprises.
Yuki
eSIM TopUp Support
· 3 months ago Cheers, Ingrid! Delighted the speeds worked well for you. Safe travels, and see you on your next trip! – Yuki, eSIM TopUp Support
Yuki L.
Egypt · Apr 2026
Did the job without any drama. Setup instructions in the app were clear and simple.
Emma
eSIM TopUp Support
· 3 months ago Cheers, Yuki! So pleased it saved you from roaming bills. Come back anytime! – Emma 💜
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?