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
Ananya D.
United Kingdom · Mar 2026
Saved me a fortune on my holiday. The QR code arrived instantly by email.
James
eSIM TopUp Support
· 4 months ago So glad to hear this, Ananya! Delighted the speeds worked well for you. We're here whenever you travel again. — James, eSIM TopUp Support
Chloe R.
Australia · Mar 2026
Used this on my trip and it worked perfectly. The QR code arrived instantly by email. Five stars from me.
James
eSIM TopUp Support
· 4 months ago Cheers, Chloe! Delighted the speeds worked well for you. Enjoy your journeys! — James
James B.
Italy · Mar 2026
Did the job without any drama in Japan. I kept my normal number for calls while using this for data. Zero regrets.
Omar
eSIM TopUp Support
· 4 months ago Thanks a lot, James! Love that you were online the moment you landed in Japan. – Omar 💜
Carlos S.
Canada · Mar 2026
Honestly better than buying a local SIM at the airport. Coverage was strong even outside the city.
Priya
eSIM TopUp Support
· 4 months ago Thank you so much, Carlos! So happy the Japan eSIM kept you connected. Safe travels, and see you on your next trip! — Priya
Arjun M.
United Kingdom · Mar 2026
Used this on my trip and it worked perfectly. Speeds were solid for maps, messaging and browsing. Made staying connected effortless.
Omar
eSIM TopUp Support
· 4 months ago Thanks a lot, Arjun! So pleased it saved you from roaming bills. Wishing you many more connected adventures! – Omar, eSIM TopUp Support
Lea H.
United Kingdom · Mar 2026
Did the job without any drama. Coverage was strong even outside the city. Highly recommend for any traveller.
Sophie
eSIM TopUp Support
· 4 months ago Cheers, Lea! Thrilled it made staying connected effortless. We're here whenever you travel again. — Sophie
Diego K.
Turkey · Mar 2026
Installed in minutes by scanning the QR code. Signal held up well on trains and in rural areas. Five stars from me.
James
eSIM TopUp Support
· 4 months ago Really appreciate this, Diego! Thrilled it made staying connected effortless. — James
Olivia M.
Spain · Mar 2026
Bought it the night before my flight — smooth process. Topping up was straightforward when I needed more.
Priya
eSIM TopUp Support
· 4 months ago So glad to hear this, Olivia! Delighted the speeds worked well for you. Enjoy your journeys! — Priya
Sophia D.
Poland · Mar 2026
Great value compared to roaming charges. Speeds were solid for maps, messaging and browsing.
Yuki
eSIM TopUp Support
· 4 months ago Cheers, Sophia! So pleased it saved you from roaming bills. — Yuki, eSIM TopUp Support
Anna K.
United States · Mar 2026
Connected the moment I landed. Speeds were solid for maps, messaging and browsing. A must-have for international travel.
Ingrid
eSIM TopUp Support
· 4 months ago Thank you for the kind words, Anna! Great to know the setup was quick and easy. We're here whenever you travel again. – Ingrid 💜
Camila D.
Singapore · Mar 2026
No more hunting for a SIM card kiosk on arrival in Japan. Coverage was strong even outside the city. Five stars from me.
James
eSIM TopUp Support
· 4 months ago Thank you for the kind words, Camila! Thrilled it made staying connected effortless. Safe travels, and see you on your next trip! – James 💜
Budi V.
Canada · Mar 2026
Honestly better than buying a local SIM at the airport. Customer support answered my question quickly.
James
eSIM TopUp Support
· 4 months ago Thanks a lot, Budi! Thrilled it made staying connected effortless. Come back anytime! – James 💜
Emma S.
Philippines · Mar 2026
Bought it the night before my flight — smooth process. Ran hotspot to my laptop with no issues. A must-have for international travel.
Anna
eSIM TopUp Support
· 5 months ago Thank you for the kind words, Emma! Great to know the setup was quick and easy. – Anna, eSIM TopUp Support
Hana B.
United Kingdom · Mar 2026
Great value compared to roaming charges. Streaming and video calls worked without buffering. Five stars from me.
Priya
eSIM TopUp Support
· 5 months ago Cheers, Hana! Wonderful to hear it worked smoothly in Japan. We're here whenever you travel again. — Priya
Linh B.
Thailand · Mar 2026
Used this on my trip and it worked perfectly in Japan. Setup instructions in the app were clear and simple.
James
eSIM TopUp Support
· 5 months ago Thanks for sharing, Linh! Thrilled it made staying connected effortless. – James, eSIM TopUp Support
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?