Japan eSIM — reviews & details
Japan 2GB/Day (IIJ) · 2 GB/day · 1 days
620 reviews
Coverage & networks
- Japan NTT docomo 4G
Traveller reviews
Aisha S.
UAE · Aug 2026
Bought it the night before my flight — smooth process. Streaming and video calls worked without buffering.
James
eSIM TopUp Support
· 2 days ago Thank you so much, Aisha! Wonderful to hear it worked smoothly in Japan. — James
Min-jun M.
Netherlands · Aug 2026
Used this on my trip and it worked perfectly. Ran hotspot to my laptop with no issues.
Yuki
eSIM TopUp Support
· 3 days ago Thank you so much, Min-jun! Thrilled it made staying connected effortless. Wishing you many more connected adventures! — Yuki
Nguyen G.
Turkey · Aug 2026
Exactly what I needed for travelling. Streaming and video calls worked without buffering. Will use eSIM TopUp for my next trip for sure.
Anna
eSIM TopUp Support
· 4 days ago Thank you for the kind words, Nguyen! Thrilled it made staying connected effortless. – Anna 💜
Elena N.
Spain · Aug 2026
Great value compared to roaming charges. Data lasted the whole trip with room to spare. Zero regrets.
Tom
eSIM TopUp Support
· 5 days ago Thank you so much, Elena! Wonderful to hear it worked smoothly in Japan. Come back anytime! — Tom
Diego D.
Thailand · Aug 2026
Install took me two tries but was fine after that. The QR code arrived instantly by email.
Ingrid
eSIM TopUp Support
· 6 days ago Appreciate you sharing this, Diego. Good to hear it did the job, and we're working to make it even better. Reach us anytime at esimtopup.io/support if we can help. – Ingrid 💜
Camila V.
Philippines · Aug 2026
Great value compared to roaming charges. Customer support answered my question quickly. Would definitely buy again.
James
eSIM TopUp Support
· 6 days ago Cheers, Camila! Love that you were online the moment you landed in Japan. We're here whenever you travel again. – James 💜
Min-jun K.
Sweden · Aug 2026
Did the job without any drama. Data lasted the whole trip with room to spare. Telling my friends about this.
Anna
eSIM TopUp Support
· 1 week ago Thank you for the kind words, Min-jun! Great to know the setup was quick and easy. Wishing you many more connected adventures! — Anna, eSIM TopUp Support
Sofia N.
Saudi Arabia · Aug 2026
Connected the moment I landed. Signal held up well on trains and in rural areas. Highly recommend for any traveller.
Mark
eSIM TopUp Support
· 1 week ago Thank you for the kind words, Sofia! Delighted the speeds worked well for you. Come back anytime! – Mark, eSIM TopUp Support
Olivia C.
Saudi Arabia · Aug 2026
Connected the moment I landed. Signal held up well on trains and in rural areas.
Diego
eSIM TopUp Support
· 1 week ago Thank you for the kind words, Olivia! Delighted the speeds worked well for you. Enjoy your journeys! – Diego, eSIM TopUp Support
Min-jun W.
Canada · Aug 2026
Exactly what I needed for travelling. Customer support answered my question quickly. Great experience overall.
Sophie
eSIM TopUp Support
· 1 week ago Thanks a lot, Min-jun! So pleased it saved you from roaming bills. Come back anytime! — Sophie, eSIM TopUp Support
Somchai H.
United States · Jul 2026
Installed in minutes by scanning the QR code. Activation was automatic when I arrived. Made staying connected effortless.
Yuki
eSIM TopUp Support
· 2 weeks ago Thanks for sharing, Somchai! Great to know the setup was quick and easy. Enjoy your journeys! — Yuki
Beatriz T.
Vietnam · Jul 2026
Bought it the night before my flight — smooth process in Japan. Streaming and video calls worked without buffering. Telling my friends about this.
Sara
eSIM TopUp Support
· 2 weeks ago Cheers, Beatriz! So happy the Japan eSIM kept you connected. Safe travels, and see you on your next trip! – Sara, eSIM TopUp Support
Lea F.
Australia · Jul 2026
Saved me a fortune on my holiday. Speeds were solid for maps, messaging and browsing. Five stars from me.
Sophie
eSIM TopUp Support
· 2 weeks ago Really appreciate this, Lea! Thrilled it made staying connected effortless. – Sophie 💜
Yuki H.
Australia · Jul 2026
Did the job without any drama. Speeds were solid for maps, messaging and browsing. Zero regrets.
Anna
eSIM TopUp Support
· 2 weeks ago So glad to hear this, Yuki! Great to know the setup was quick and easy. Come back anytime! — Anna
Olivia H.
Ireland · Jul 2026
First time using an eSIM and it was painless. Ran hotspot to my laptop with no issues. Zero regrets.
Laura
eSIM TopUp Support
· 3 weeks ago Thank you for the kind words, Olivia! So pleased it saved you from roaming bills. Enjoy your journeys! – Laura 💜
Frequently asked questions
How much does the Japan eSIM cost?
The Japan 2GB/Day (IIJ) plan costs $3.00 for 2 GB/day over 1 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
Wei H. · 6 days ago
How do I check how much data I have left?
Ananya B. · 2 weeks ago
Do I need to install it before I travel or after I arrive?
Pablo L. · 1 month ago
Thanks, installed with no problems on my Samsung.
Min-jun P. · 1 month ago
How long does the QR code take to arrive after payment?
Camila K. · 5 months ago
Which networks does this connect to?
Arjun P. · 7 months ago
Does this work on an iPhone 13?
Arjun D. · 7 months ago
Can I use it in nearby countries too?
Priya N. · 8 months ago
Can I top up the same eSIM instead of buying a new one?
Marco V. · 9 months ago
Does the validity start on purchase or on first use?
Ingrid V. · 9 months ago
Great guide, the setup steps were really helpful.
Diego L. · 10 months ago
Can I use this for hotspot/tethering?
Andre M. · 10 months ago
Will this keep my WhatsApp active with my home number?