Japan eSIM — reviews & details
Japan 20GB 30Days · 20 GB · 30 days
620 reviews
Coverage & networks
- Japan NTT docomo 5G Rakuten Mobile 5G KDDI/au 5G SoftBank 5G
Traveller reviews
Hana F.
Netherlands · Apr 2026
Super easy to set up before I flew out. Activation was automatic when I arrived. Zero regrets.
Priya
eSIM TopUp Support
· 3 months ago So glad to hear this, Hana! So pleased it saved you from roaming bills. Come back anytime! – Priya 💜
Anna B.
South Korea · Apr 2026
Decent speeds, though slower than I expected in a few spots.
Omar
eSIM TopUp Support
· 3 months ago Thanks for the honest feedback, Anna. 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. – Omar 💜
Sarah P.
Mexico · Apr 2026
Saved me a fortune on my holiday. Ran hotspot to my laptop with no issues. Telling my friends about this.
Laura
eSIM TopUp Support
· 3 months ago Thank you so much, Sarah! Wonderful to hear it worked smoothly in Japan. – Laura 💜
Sri V.
New Zealand · Apr 2026
No more hunting for a SIM card kiosk on arrival. Topping up was straightforward when I needed more. Made staying connected effortless.
Ingrid
eSIM TopUp Support
· 3 months ago Thank you so much, Sri! Delighted the speeds worked well for you. We're here whenever you travel again. – Ingrid 💜
Nguyen M.
Saudi Arabia · Apr 2026
Solid overall, just wish there was a bit more data for the price.
Priya
eSIM TopUp Support
· 4 months ago We're really sorry, Nguyen. This isn't the standard we aim for. Reach our team at esimtopup.io/support so we can help right away. – Priya 💜
Omar P.
Japan · Apr 2026
Solid overall, just wish there was a bit more data for the price.
Ingrid
eSIM TopUp Support
· 4 months ago Appreciate you sharing this, Omar. We're constantly optimising speeds and coverage across Japan. Reach us anytime at esimtopup.io/support if we can help. – Ingrid 💜
Ji-woo T.
Saudi Arabia · Apr 2026
Bought it the night before my flight — smooth process in Japan. I kept my normal number for calls while using this for data. Telling my friends about this.
Anna
eSIM TopUp Support
· 4 months ago Thank you for the kind words, Ji-woo! Thrilled it made staying connected effortless. Come back anytime! — Anna
Liam H.
Poland · Apr 2026
Connected the moment I landed. Signal held up well on trains and in rural areas.
Yuki
eSIM TopUp Support
· 4 months ago Thanks a lot, Liam! So pleased it saved you from roaming bills. Safe travels, and see you on your next trip! — Yuki
Andre L.
Mexico · Apr 2026
Saved me a fortune on my holiday. The QR code arrived instantly by email. Five stars from me.
Diego
eSIM TopUp Support
· 4 months ago Thanks a lot, Andre! So happy the Japan eSIM kept you connected. Enjoy your journeys! – Diego, eSIM TopUp Support
Ingrid G.
Brazil · Apr 2026
Install took me two tries but was fine after that.
Priya
eSIM TopUp Support
· 4 months ago Thank you for taking the time, Ingrid. 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
Emma K.
Ireland · Apr 2026
No more hunting for a SIM card kiosk on arrival. Customer support answered my question quickly. Made staying connected effortless.
Anna
eSIM TopUp Support
· 4 months ago Thank you so much, Emma! So pleased it saved you from roaming bills. We're here whenever you travel again. — Anna, eSIM TopUp Support
Thomas P.
Japan · Apr 2026
Great value compared to roaming charges in Japan. Coverage was strong even outside the city. A must-have for international travel.
Ken
eSIM TopUp Support
· 4 months ago Thank you for the kind words, Thomas! So pleased it saved you from roaming bills. Wishing you many more connected adventures! — Ken
Hugo V.
Malaysia · Apr 2026
No more hunting for a SIM card kiosk on arrival. Topping up was straightforward when I needed more. Would definitely buy again.
Emma
eSIM TopUp Support
· 4 months ago So glad to hear this, Hugo! Delighted the speeds worked well for you. Wishing you many more connected adventures! – Emma, eSIM TopUp Support
Elena V.
Turkey · Mar 2026
First time using an eSIM and it was painless in Japan. The QR code arrived instantly by email. Five stars from me.
Tom
eSIM TopUp Support
· 4 months ago Thank you for the kind words, Elena! Great to know the setup was quick and easy. – Tom 💜
Liam V.
South Korea · Mar 2026
Honestly better than buying a local SIM at the airport. Streaming and video calls worked without buffering.
James
eSIM TopUp Support
· 4 months ago So glad to hear this, Liam! So happy the Japan eSIM kept you connected. Wishing you many more connected adventures! — James
Frequently asked questions
How much does the Japan eSIM cost?
The Japan 20GB 30Days plan costs $12.30 for 20 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
Arjun V. · 3 days ago
Is 5G supported or just 4G?
Beatriz R. · 3 weeks ago
Great guide, the setup steps were really helpful.
Noah F. · 2 months ago
Will this keep my WhatsApp active with my home number?
Lucia B. · 3 months ago
Which networks does this connect to?
Katya K. · 3 months ago
Is roaming charged extra or is it all included?
Ethan L. · 5 months ago
Do I need to install it before I travel or after I arrive?
Ava G. · 5 months ago
Does this work on an iPhone 13?
Hugo B. · 6 months ago
Thanks, installed with no problems on my Samsung.
Wei L. · 9 months ago
Can I use this for hotspot/tethering?
Emma V. · 10 months ago
Does the validity start on purchase or on first use?
Liam P. · 1 year ago
Can I use it in nearby countries too?
Louis H. · 1 year ago
Can I top up the same eSIM instead of buying a new one?