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
Zoe H.
Vietnam · May 2026
Super easy to set up before I flew out. Signal held up well on trains and in rural areas. Will use eSIM TopUp for my next trip for sure.
David
eSIM TopUp Support
· 2 months ago Thanks for sharing, Zoe! Wonderful to hear it worked smoothly in Japan. – David 💜
Kenji G.
Canada · May 2026
Installed in minutes by scanning the QR code. Coverage was strong even outside the city.
Sophie
eSIM TopUp Support
· 2 months ago Thanks for sharing, Kenji! So pleased it saved you from roaming bills. Come back anytime! — Sophie
Zoe B.
Indonesia · May 2026
Used this on my trip and it worked perfectly. Streaming and video calls worked without buffering. Made staying connected effortless.
Tom
eSIM TopUp Support
· 2 months ago Really appreciate this, Zoe! Great to know the setup was quick and easy. Safe travels, and see you on your next trip! — Tom
Ethan V.
New Zealand · May 2026
Worked fine but took a little while to connect at first.
Omar
eSIM TopUp Support
· 2 months ago Thank you for taking the time, Ethan. Glad it mostly worked for you in Japan — we're always improving our coverage. Any questions, our team is at esimtopup.io/support. – Omar, eSIM TopUp Support
Mei P.
New Zealand · May 2026
Exactly what I needed for travelling. Activation was automatic when I arrived.
Anna
eSIM TopUp Support
· 2 months ago Thanks for sharing, Mei! Love that you were online the moment you landed in Japan. Safe travels, and see you on your next trip! — Anna, eSIM TopUp Support
Mei N.
Philippines · May 2026
Decent speeds, though slower than I expected in a few spots. Streaming and video calls worked without buffering.
Priya
eSIM TopUp Support
· 2 months ago Thank you for taking the time, Mei. 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. – Priya 💜
Ingrid K.
Thailand · May 2026
No more hunting for a SIM card kiosk on arrival in Japan. Signal held up well on trains and in rural areas. Made staying connected effortless.
Sara
eSIM TopUp Support
· 2 months ago Cheers, Ingrid! Love that you were online the moment you landed in Japan. Enjoy your journeys! – Sara 💜
Olivia C.
Malaysia · May 2026
Saved me a fortune on my holiday. Customer support answered my question quickly. Great experience overall.
James
eSIM TopUp Support
· 2 months ago Thanks a lot, Olivia! Delighted the speeds worked well for you. – James, eSIM TopUp Support
Ava M.
France · May 2026
Honestly better than buying a local SIM at the airport. Setup instructions in the app were clear and simple. Will use eSIM TopUp for my next trip for sure.
Emma
eSIM TopUp Support
· 2 months ago Thanks for sharing, Ava! Thrilled it made staying connected effortless. Safe travels, and see you on your next trip! – Emma 💜
Thomas K.
Turkey · May 2026
Super easy to set up before I flew out. Activation was automatic when I arrived.
David
eSIM TopUp Support
· 2 months ago Cheers, Thomas! So pleased it saved you from roaming bills. — David, eSIM TopUp Support
Ava B.
Ireland · May 2026
No more hunting for a SIM card kiosk on arrival. Topping up was straightforward when I needed more.
Laura
eSIM TopUp Support
· 2 months ago Thanks a lot, Ava! Thrilled it made staying connected effortless. Come back anytime! – Laura 💜
Lea D.
Spain · May 2026
Great value compared to roaming charges. Customer support answered my question quickly. Five stars from me.
Anna
eSIM TopUp Support
· 2 months ago Really appreciate this, Lea! Great to know the setup was quick and easy. – Anna, eSIM TopUp Support
Katya P.
Singapore · May 2026
Honestly better than buying a local SIM at the airport. Streaming and video calls worked without buffering.
Ingrid
eSIM TopUp Support
· 2 months ago Cheers, Katya! So happy the Japan eSIM kept you connected. Come back anytime! – Ingrid, eSIM TopUp Support
Pablo B.
Japan · May 2026
Used this on my trip and it worked perfectly in Japan. Speeds were solid for maps, messaging and browsing. Telling my friends about this.
Priya
eSIM TopUp Support
· 2 months ago Thank you for the kind words, Pablo! Thrilled it made staying connected effortless. – Priya 💜
Beatriz L.
India · May 2026
Worked fine but took a little while to connect at first.
Grace
eSIM TopUp Support
· 3 months ago Thanks for the honest feedback, Beatriz. Glad it mostly worked for you in Japan — we're always improving our coverage. Reach us anytime at esimtopup.io/support if we can help. — Grace, 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?