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Japan eSIM — reviews & details

Japan 3GB 30Days · 3 GB · 30 days

View plan & buy — $2.70
4.5

620 reviews

5 ★ 61%
4 ★ 30%
3 ★ 7%
2 ★ 1%
1 ★ 1%

Coverage & networks

  • Japan NTT docomo 5G Rakuten Mobile 5G KDDI/au 5G SoftBank 5G

Traveller reviews

All 5★ 4★ 3★ 2★ 1★
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Linh L.

Portugal · Aug 2025

✓ Verified

Honestly better than buying a local SIM at the airport in Japan. Signal held up well on trains and in rural areas.

James James eSIM TopUp Support · 11 months ago

Really appreciate this, Linh! Love that you were online the moment you landed in Japan. Safe travels, and see you on your next trip! – James 💜

E

Ethan S.

UAE · Aug 2025

✓ Verified

Connected the moment I landed in Japan. Signal held up well on trains and in rural areas. Zero regrets.

Laura Laura eSIM TopUp Support · 11 months ago

Thank you so much, Ethan! Great to know the setup was quick and easy. Wishing you many more connected adventures! – Laura, eSIM TopUp Support

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Sophia B.

Switzerland · Aug 2025

✓ Verified

Saved me a fortune on my holiday. I kept my normal number for calls while using this for data. Great experience overall.

Sara Sara eSIM TopUp Support · 11 months ago

Thanks for sharing, Sophia! Thrilled it made staying connected effortless. Enjoy your journeys! – Sara 💜

S

Sofia M.

Portugal · Aug 2025

✓ Verified

First time using an eSIM and it was painless. The QR code arrived instantly by email. Five stars from me.

Laura Laura eSIM TopUp Support · 11 months ago

Thanks a lot, Sofia! Delighted the speeds worked well for you. – Laura, eSIM TopUp Support

A

Ananya V.

Brazil · Aug 2025

✓ Verified

Exactly what I needed for travelling in Japan. The QR code arrived instantly by email.

Diego Diego eSIM TopUp Support · 11 months ago

Really appreciate this, Ananya! Love that you were online the moment you landed in Japan. We're here whenever you travel again. — Diego, eSIM TopUp Support

M

Max D.

Philippines · Aug 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.

Mark Mark eSIM TopUp Support · 11 months ago

Cheers, Max! Delighted the speeds worked well for you. Safe travels, and see you on your next trip! – Mark, eSIM TopUp Support

H

Hugo M.

Japan · Aug 2025

✓ Verified

No more hunting for a SIM card kiosk on arrival. Activation was automatic when I arrived. Would definitely buy again.

Omar Omar eSIM TopUp Support · 1 year ago

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

O

Olivia N.

Germany · Aug 2025

✓ Verified

Did the job without any drama. Activation was automatic when I arrived. Made staying connected effortless.

Yuki Yuki eSIM TopUp Support · 1 year ago

Thank you so much, Olivia! Love that you were online the moment you landed in Japan. Enjoy your journeys! – Yuki, eSIM TopUp Support

J

James H.

Vietnam · Aug 2025

✓ Verified

Installed in minutes by scanning the QR code. Ran hotspot to my laptop with no issues. Would definitely buy again.

Anna Anna eSIM TopUp Support · 1 year ago

Cheers, James! Great to know the setup was quick and easy. Come back anytime! — Anna

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Louis H.

Netherlands · Aug 2025

✓ Verified

Bought it the night before my flight — smooth process. Activation was automatic when I arrived. Five stars from me.

Mark Mark eSIM TopUp Support · 1 year ago

Thank you for the kind words, Louis! So happy the Japan eSIM kept you connected. We're here whenever you travel again. — Mark, eSIM TopUp Support

A

Anna D.

Egypt · Aug 2025

✓ Verified

Super easy to set up before I flew out. Topping up was straightforward when I needed more.

David David eSIM TopUp Support · 1 year ago

Really appreciate this, Anna! Wonderful to hear it worked smoothly in Japan. Safe travels, and see you on your next trip! – David, eSIM TopUp Support

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Somchai D.

Brazil · Jul 2025

✓ Verified

First time using an eSIM and it was painless. I kept my normal number for calls while using this for data. Five stars from me.

Ingrid Ingrid eSIM TopUp Support · 1 year ago

Thank you so much, Somchai! So pleased it saved you from roaming bills. Enjoy your journeys! – Ingrid, eSIM TopUp Support

S

Sophia D.

Ireland · Jul 2025

✓ Verified

Used this on my trip and it worked perfectly. Activation was automatic when I arrived in Japan. Will use eSIM TopUp for my next trip for sure.

Ken Ken eSIM TopUp Support · 1 year ago

Thank you for the kind words, Sophia! Delighted the speeds worked well for you. Wishing you many more connected adventures! — Ken

S

Sofia C.

Switzerland · Jul 2025

✓ Verified

Exactly what I needed for travelling. I kept my normal number for calls while using this for data. Great experience overall.

Laura Laura eSIM TopUp Support · 1 year ago

So glad to hear this, Sofia! Thrilled it made staying connected effortless. – Laura 💜

D

Daniel R.

Australia · Jul 2025

✓ Verified

Honestly better than buying a local SIM at the airport. Speeds were solid for maps, messaging and browsing.

Laura Laura eSIM TopUp Support · 1 year ago

Really appreciate this, Daniel! So happy the Japan eSIM kept you connected. Come back anytime! — Laura, eSIM TopUp Support

Frequently asked questions

How much does the Japan eSIM cost?

The Japan 3GB 30Days plan costs $2.70 for 3 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

P

Pablo G. · 2 months ago

Is 5G supported or just 4G?

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Pablo C. · 2 months ago

How do I check how much data I have left?

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Grace G. · 2 months ago

Can I use this for hotspot/tethering?

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Marco C. · 3 months ago

Can I use it in nearby countries too?

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Lucas D. · 3 months ago

Great guide, the setup steps were really helpful.

I

Ingrid F. · 5 months ago

Is roaming charged extra or is it all included?

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Pablo N. · 6 months ago

Does the validity start on purchase or on first use?

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Olivia N. · 6 months ago

Does this work on an iPhone 13?

L

Linh T. · 8 months ago

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

V

Viktor P. · 9 months ago

Thanks, installed with no problems on my Samsung.

C

Carlos L. · 9 months ago

Will this keep my WhatsApp active with my home number?

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Sri N. · 1 year ago

Which networks does this connect to?