Japan eSIM — reviews & details
Japan 20GB 30Days (IIJ) · 20 GB · 30 days
620 reviews
Coverage & networks
- Japan NTT docomo 4G
Traveller reviews
Aisha G.
Sweden · Dec 2025
First time using an eSIM and it was painless. Customer support answered my question quickly. Five stars from me.
Ken
GotoeSIM Support
· 8 months ago Thank you for the kind words, Aisha! So pleased it saved you from roaming bills. Wishing you many more connected adventures! – Ken 💜
Mei W.
UAE · Dec 2025
Installed in minutes by scanning the QR code in Japan. Data lasted the whole trip with room to spare. Telling my friends about this.
Omar
GotoeSIM Support
· 8 months ago Thank you so much, Mei! So happy the Japan eSIM kept you connected. We're here whenever you travel again. – Omar, eSIM TopUp Support
Katya G.
Canada · Dec 2025
Did the job without any drama in Japan. Data lasted the whole trip with room to spare. Made staying connected effortless.
Emma
GotoeSIM Support
· 8 months ago Really appreciate this, Katya! Delighted the speeds worked well for you. Come back anytime! — Emma
Fatima K.
Singapore · Nov 2025
Exactly what I needed for travelling. Speeds were solid for maps, messaging and browsing. Great experience overall.
Priya
GotoeSIM Support
· 8 months ago Thank you so much, Fatima! Delighted the speeds worked well for you. Wishing you many more connected adventures! – Priya 💜
Priya N.
Portugal · Nov 2025
Great value compared to roaming charges. Signal held up well on trains and in rural areas.
Sophie
GotoeSIM Support
· 8 months ago Thank you for the kind words, Priya! So happy the Japan eSIM kept you connected. Come back anytime! — Sophie, eSIM TopUp Support
Elena P.
Ireland · Nov 2025
Did the job without any drama in Japan. Customer support answered my question quickly. Great experience overall.
Grace
GotoeSIM Support
· 8 months ago Thanks for sharing, Elena! Delighted the speeds worked well for you. – Grace 💜
Andre G.
South Korea · Nov 2025
Exactly what I needed for travelling. Customer support answered my question quickly. Would definitely buy again.
Omar
GotoeSIM Support
· 8 months ago Thanks for sharing, Andre! Great to know the setup was quick and easy. Safe travels, and see you on your next trip! — Omar, eSIM TopUp Support
Ethan G.
Mexico · Nov 2025
Did the job without any drama. Speeds were solid for maps, messaging and browsing. Highly recommend for any traveller.
Laura
GotoeSIM Support
· 8 months ago Thank you for the kind words, Ethan! Great to know the setup was quick and easy. We're here whenever you travel again. — Laura
Arjun R.
Philippines · Nov 2025
First time using an eSIM and it was painless. Ran hotspot to my laptop with no issues.
Yuki
GotoeSIM Support
· 8 months ago Cheers, Arjun! Delighted the speeds worked well for you. We're here whenever you travel again. – Yuki, eSIM TopUp Support
Somchai D.
Turkey · Nov 2025
No more hunting for a SIM card kiosk on arrival. Ran hotspot to my laptop with no issues. Five stars from me.
Yuki
GotoeSIM Support
· 8 months ago Thanks a lot, Somchai! So pleased it saved you from roaming bills. Enjoy your journeys! — Yuki, eSIM TopUp Support
Max H.
Malaysia · Nov 2025
Saved me a fortune on my holiday. Topping up was straightforward when I needed more. Five stars from me.
Grace
GotoeSIM Support
· 8 months ago Thank you so much, Max! Wonderful to hear it worked smoothly in Japan. — Grace
Andre D.
Sweden · Nov 2025
Did the job without any drama. The QR code arrived instantly by email.
Omar
GotoeSIM Support
· 9 months ago Really appreciate this, Andre! Love that you were online the moment you landed in Japan. – Omar, eSIM TopUp Support
Wei D.
Sweden · Nov 2025
First time using an eSIM and it was painless. Activation was automatic when I arrived.
Tom
GotoeSIM Support
· 9 months ago Thank you for the kind words, Wei! Thrilled it made staying connected effortless. Safe travels, and see you on your next trip! – Tom 💜
Ravi D.
South Korea · Nov 2025
Installed in minutes by scanning the QR code in Japan. Setup instructions in the app were clear and simple. Zero regrets.
Grace
GotoeSIM Support
· 9 months ago Thanks for sharing, Ravi! So happy the Japan eSIM kept you connected. — Grace, eSIM TopUp Support
Budi K.
Japan · Nov 2025
First time using an eSIM and it was painless. Activation was automatic when I arrived. Zero regrets.
Yuki
GotoeSIM Support
· 9 months ago Cheers, Budi! Delighted the speeds worked well for you. – Yuki, eSIM TopUp Support
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?