eSIM TopUp
Sign up

Japan eSIM — reviews & details

Japan 3GB 15Days (nonhkip) · 3 GB · 15 days

View plan & buy — $4.29
4.5

620 reviews

5 ★ 61%
4 ★ 28%
3 ★ 7%
2 ★ 3%
1 ★ 0%

Coverage & networks

  • Japan KDDI/au 5G

Traveller reviews

C

Carlos K.

Thailand · Nov 2025

✓ Verified

Bought it the night before my flight — smooth process. I kept my normal number for calls while using this for data. Great experience overall.

Laura Laura GotoeSIM Support · 8 months ago

Cheers, Carlos! Thrilled it made staying connected effortless. Come back anytime! – Laura, eSIM TopUp Support

H

Hugo N.

India · Nov 2025

✓ Verified

Did the job without any drama. The QR code arrived instantly by email. Highly recommend for any traveller.

Grace Grace GotoeSIM Support · 8 months ago

Thanks a lot, Hugo! Wonderful to hear it worked smoothly in Japan. Come back anytime! – Grace, eSIM TopUp Support

E

Emma S.

Vietnam · Nov 2025

✓ Verified

First time using an eSIM and it was painless. Speeds were solid for maps, messaging and browsing.

Mark Mark GotoeSIM Support · 8 months ago

Really appreciate this, Emma! Delighted the speeds worked well for you. — Mark, eSIM TopUp Support

E

Elena M.

Mexico · Nov 2025

✓ Verified

Saved me a fortune on my holiday. Streaming and video calls worked without buffering.

Emma Emma GotoeSIM Support · 8 months ago

Cheers, Elena! So happy the Japan eSIM kept you connected. Enjoy your journeys! — Emma

Z

Zoe F.

Netherlands · Nov 2025

✓ Verified

Did the job without any drama. Streaming and video calls worked without buffering.

Priya Priya GotoeSIM Support · 8 months ago

Thank you for the kind words, Zoe! Delighted the speeds worked well for you. We're here whenever you travel again. — Priya

B

Budi D.

Turkey · Nov 2025

✓ Verified

Decent speeds, though slower than I expected in a few spots. Activation was automatic when I arrived.

Omar Omar GotoeSIM Support · 8 months ago

Appreciate you sharing this, Budi. Glad it mostly worked for you in Japan — we're always improving our coverage. Any questions, our team is at esimtopup.io/support. — Omar

E

Ethan M.

Vietnam · Nov 2025

✓ Verified

Great value compared to roaming charges in Japan. Signal held up well on trains and in rural areas. Highly recommend for any traveller.

Sophie Sophie GotoeSIM Support · 8 months ago

Thanks for sharing, Ethan! So happy the Japan eSIM kept you connected. Safe travels, and see you on your next trip! — Sophie

Z

Zoe P.

Thailand · Nov 2025

✓ Verified

No more hunting for a SIM card kiosk on arrival. Ran hotspot to my laptop with no issues. Zero regrets.

Sophie Sophie GotoeSIM Support · 8 months ago

Cheers, Zoe! So pleased it saved you from roaming bills. Safe travels, and see you on your next trip! — Sophie, eSIM TopUp Support

S

Sophia F.

Sweden · Nov 2025

✓ Verified

Honestly better than buying a local SIM at the airport in Japan. Topping up was straightforward when I needed more.

Anna Anna GotoeSIM Support · 8 months ago

Thanks for sharing, Sophia! Delighted the speeds worked well for you. Enjoy your journeys! — Anna, eSIM TopUp Support

O

Omar F.

Canada · Nov 2025

✓ Verified

No more hunting for a SIM card kiosk on arrival. Speeds were solid for maps, messaging and browsing.

Grace Grace GotoeSIM Support · 8 months ago

Thank you for the kind words, Omar! So pleased it saved you from roaming bills. Safe travels, and see you on your next trip! — Grace

M

Min-jun V.

India · Nov 2025

✓ Verified

First time using an eSIM and it was painless. Coverage was strong even outside the city.

Laura Laura GotoeSIM Support · 8 months ago

Thanks a lot, Min-jun! Love that you were online the moment you landed in Japan. — Laura

R

Ravi T.

India · Nov 2025

✓ Verified

No more hunting for a SIM card kiosk on arrival. Topping up was straightforward when I needed more. Would definitely buy again.

Omar Omar GotoeSIM Support · 8 months ago

Thank you so much, Ravi! So pleased it saved you from roaming bills. – Omar 💜

E

Ethan P.

Vietnam · Nov 2025

✓ Verified

First time using an eSIM and it was painless. Coverage was strong even outside the city. Will use eSIM TopUp for my next trip for sure.

Laura Laura GotoeSIM Support · 8 months ago

Thank you so much, Ethan! So happy the Japan eSIM kept you connected. – Laura 💜

E

Emma L.

Mexico · Nov 2025

✓ Verified

Did the job without any drama. Customer support answered my question quickly.

Mark Mark GotoeSIM Support · 8 months ago

Thanks for sharing, Emma! Love that you were online the moment you landed in Japan. – Mark 💜

S

Sophia C.

Germany · Nov 2025

✓ Verified

Worked fine but took a little while to connect at first.

Anna Anna GotoeSIM Support · 8 months ago

Apologies for the trouble, Sophia. That's not the experience we want for Japan. Please contact us at esimtopup.io/support and we'll sort it out. – Anna, eSIM TopUp Support

Frequently asked questions

How much does the Japan eSIM cost?

The Japan 3GB 15Days (nonhkip) plan costs $4.29 for 3 GB over 15 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

A

Aisha T. · 1 month ago

Thanks, installed with no problems on my Samsung.

A

Ananya P. · 1 month ago

Do I need to install it before I travel or after I arrive?

H

Haruto B. · 2 months ago

How long does the QR code take to arrive after payment?

M

Mei D. · 3 months ago

Is roaming charged extra or is it all included?

A

Arjun W. · 6 months ago

Can I use it in nearby countries too?

F

Fatima T. · 6 months ago

Will this keep my WhatsApp active with my home number?

E

Ethan S. · 6 months ago

Is 5G supported or just 4G?

K

Kenji M. · 11 months ago

Can I use this for hotspot/tethering?

J

James G. · 11 months ago

Can I top up the same eSIM instead of buying a new one?

A

Ava T. · 1 year ago

How do I check how much data I have left?

E

Ethan W. · 1 year ago

Does this work on an iPhone 13?

M

Max H. · 1 year ago

Which networks does this connect to?