Japan eSIM — reviews & details
Japan 20GB 30Days (IIJ) · 20 GB · 30 days
620 reviews
Coverage & networks
- Japan NTT docomo 4G
Traveller reviews
Diego S.
Singapore · Jan 2025
Did the job without any drama. I kept my normal number for calls while using this for data. Great experience overall.
Emma
GotoeSIM Support
· 1 year ago Thank you so much, Diego! So happy the Japan eSIM kept you connected. Wishing you many more connected adventures! — Emma
Olivia L.
Japan · Dec 2024
Used this on my trip and it worked perfectly. Topping up was straightforward when I needed more. Will use eSIM TopUp for my next trip for sure.
Yuki
GotoeSIM Support
· 1 year ago Thanks for sharing, Olivia! Wonderful to hear it worked smoothly in Japan. Come back anytime! — Yuki
Sophia P.
United States · Dec 2024
Great value compared to roaming charges. Speeds were solid for maps, messaging and browsing.
Yuki
GotoeSIM Support
· 1 year ago Cheers, Sophia! So happy the Japan eSIM kept you connected. Safe travels, and see you on your next trip! — Yuki
Hana W.
New Zealand · Dec 2024
Exactly what I needed for travelling. Coverage was strong even outside the city. Exactly as described — no surprises.
James
GotoeSIM Support
· 1 year ago Thank you for the kind words, Hana! Great to know the setup was quick and easy. We're here whenever you travel again. — James, eSIM TopUp Support
Beatriz G.
Singapore · Dec 2024
Great value compared to roaming charges in Japan. Coverage was strong even outside the city.
David
GotoeSIM Support
· 1 year ago Thanks a lot, Beatriz! So happy the Japan eSIM kept you connected. Wishing you many more connected adventures! — David, eSIM TopUp Support
James G.
Singapore · Nov 2024
Bought it the night before my flight — smooth process. Streaming and video calls worked without buffering. Exactly as described — no surprises.
Ingrid
GotoeSIM Support
· 1 year ago Thanks for sharing, James! Love that you were online the moment you landed in Japan. Come back anytime! – Ingrid 💜
Grace K.
UAE · Nov 2024
Installed in minutes by scanning the QR code in Japan. Streaming and video calls worked without buffering. Made staying connected effortless.
Diego
GotoeSIM Support
· 1 year ago Really appreciate this, Grace! Great to know the setup was quick and easy. — Diego, eSIM TopUp Support
Haruto G.
Saudi Arabia · Nov 2024
Connected the moment I landed. Topping up was straightforward when I needed more.
Mark
GotoeSIM Support
· 1 year ago Thank you so much, Haruto! Love that you were online the moment you landed in Japan. – Mark, eSIM TopUp Support
Emma S.
Italy · Nov 2024
No more hunting for a SIM card kiosk on arrival in Japan. Setup instructions in the app were clear and simple.
David
GotoeSIM Support
· 1 year ago Really appreciate this, Emma! Wonderful to hear it worked smoothly in Japan. — David, eSIM TopUp Support
Fatima R.
Mexico · Nov 2024
First time using an eSIM and it was painless in Japan. Speeds were solid for maps, messaging and browsing. Will use eSIM TopUp for my next trip for sure.
Ingrid
GotoeSIM Support
· 1 year ago Thank you so much, Fatima! So pleased it saved you from roaming bills. — Ingrid
Olivia T.
Vietnam · Nov 2024
Bought it the night before my flight — smooth process. Streaming and video calls worked without buffering. A must-have for international travel.
David
GotoeSIM Support
· 1 year ago Cheers, Olivia! Delighted the speeds worked well for you. — David, eSIM TopUp Support
Diego C.
France · Nov 2024
First time using an eSIM and it was painless in Japan. Topping up was straightforward when I needed more. Great experience overall.
Tom
GotoeSIM Support
· 1 year ago Thank you so much, Diego! Thrilled it made staying connected effortless. Enjoy your journeys! — Tom, eSIM TopUp Support
Sri D.
Malaysia · Nov 2024
Exactly what I needed for travelling. Speeds were solid for maps, messaging and browsing. A must-have for international travel.
Emma
GotoeSIM Support
· 1 year ago Thanks for sharing, Sri! Delighted the speeds worked well for you. We're here whenever you travel again. – Emma, eSIM TopUp Support
Carlos L.
United States · Nov 2024
Installed in minutes by scanning the QR code in Japan. Speeds were solid for maps, messaging and browsing. Telling my friends about this.
Yuki
GotoeSIM Support
· 1 year ago Thanks for sharing, Carlos! Wonderful to hear it worked smoothly in Japan. Enjoy your journeys! — Yuki, eSIM TopUp Support
Hana W.
Spain · Nov 2024
Installed in minutes by scanning the QR code in Japan. Coverage was strong even outside the city. Exactly as described — no surprises.
Grace
GotoeSIM Support
· 1 year ago Thank you for the kind words, Hana! Wonderful to hear it worked smoothly in Japan. Enjoy your journeys! – Grace 💜
Frequently asked questions
How much does the Japan eSIM cost?
The Japan 20GB 30Days (IIJ) 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
Katya K. · 2 months ago
Is 5G supported or just 4G?
Katya V. · 7 months ago
Thanks, installed with no problems on my Samsung.
Beatriz C. · 8 months ago
Is roaming charged extra or is it all included?
Lea B. · 8 months ago
Will this keep my WhatsApp active with my home number?
Kenji R. · 9 months ago
Do I need to install it before I travel or after I arrive?
Zoe V. · 9 months ago
How do I check how much data I have left?
Grace C. · 10 months ago
Great guide, the setup steps were really helpful.
Camila M. · 11 months ago
Can I use it in nearby countries too?
Mateo B. · 11 months ago
Which networks does this connect to?
Beatriz R. · 11 months ago
Does the validity start on purchase or on first use?
Sarah V. · 11 months ago
How long does the QR code take to arrive after payment?
Thomas N. · 1 year ago
Can I top up the same eSIM instead of buying a new one?