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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

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Hugo N.

Japan · Nov 2025

✓ Verified

Great value compared to roaming charges. The QR code arrived instantly by email.

Grace Grace eSIM TopUp Support · 9 months ago

Really appreciate this, Hugo! Thrilled it made staying connected effortless. — Grace

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Lucia L.

UAE · Nov 2025

✓ Verified

Connected the moment I landed. Coverage was strong even outside the city. Five stars from me.

Diego Diego eSIM TopUp Support · 9 months ago

Thanks for sharing, Lucia! Great to know the setup was quick and easy. Come back anytime! – Diego 💜

D

Diego M.

Canada · Nov 2025

✓ Verified

Installed in minutes by scanning the QR code. I kept my normal number for calls while using this for data.

Sophie Sophie eSIM TopUp Support · 9 months ago

Thanks for sharing, Diego! Delighted the speeds worked well for you. – Sophie 💜

R

Ryan C.

Netherlands · Oct 2025

✓ Verified

No more hunting for a SIM card kiosk on arrival. Coverage was strong even outside the city. Five stars from me.

Grace Grace eSIM TopUp Support · 9 months ago

Thanks for sharing, Ryan! Great to know the setup was quick and easy. Safe travels, and see you on your next trip! – Grace 💜

O

Omar H.

Australia · Oct 2025

✓ Verified

Used this on my trip and it worked perfectly. The QR code arrived instantly by email. A must-have for international travel.

Emma Emma eSIM TopUp Support · 9 months ago

Thank you so much, Omar! So happy the Japan eSIM kept you connected. Enjoy your journeys! — Emma

C

Chloe W.

Egypt · Oct 2025

✓ Verified

Used this on my trip and it worked perfectly. Data lasted the whole trip with room to spare.

Emma Emma eSIM TopUp Support · 9 months ago

So glad to hear this, Chloe! Thrilled it made staying connected effortless. Come back anytime! — Emma

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Liam T.

Sweden · Oct 2025

✓ Verified

Saved me a fortune on my holiday. Customer support answered my question quickly. Great experience overall.

Priya Priya eSIM TopUp Support · 9 months ago

Thanks a lot, Liam! Love that you were online the moment you landed in Japan. — Priya

M

Mohammed R.

Germany · Oct 2025

✓ Verified

First time using an eSIM and it was painless. Customer support answered my question quickly. Will use eSIM TopUp for my next trip for sure.

Anna Anna eSIM TopUp Support · 9 months ago

Thanks a lot, Mohammed! Great to know the setup was quick and easy. Safe travels, and see you on your next trip! — Anna

O

Omar D.

Ireland · Oct 2025

✓ Verified

Great value compared to roaming charges. Data lasted the whole trip with room to spare. A must-have for international travel.

Grace Grace eSIM TopUp Support · 9 months ago

Thank you for the kind words, Omar! Great to know the setup was quick and easy. Enjoy your journeys! — Grace, eSIM TopUp Support

Z

Zoe D.

Poland · Oct 2025

✓ Verified

Super easy to set up before I flew out. Streaming and video calls worked without buffering.

Omar Omar eSIM TopUp Support · 9 months ago

Thanks for sharing, Zoe! So pleased it saved you from roaming bills. — Omar

O

Omar T.

New Zealand · Oct 2025

✓ Verified

No more hunting for a SIM card kiosk on arrival. Streaming and video calls worked without buffering. Great experience overall.

Diego Diego eSIM TopUp Support · 9 months ago

Thank you so much, Omar! Thrilled it made staying connected effortless. We're here whenever you travel again. – Diego 💜

N

Noah T.

Germany · Oct 2025

✓ Verified

Saved me a fortune on my holiday. Signal held up well on trains and in rural areas. Would definitely buy again.

Mark Mark eSIM TopUp Support · 9 months ago

Really appreciate this, Noah! So happy the Japan eSIM kept you connected. Safe travels, and see you on your next trip! – Mark 💜

H

Hugo F.

Ireland · Oct 2025

✓ Verified

Connected the moment I landed. Data lasted the whole trip with room to spare. Made staying connected effortless.

Priya Priya eSIM TopUp Support · 9 months ago

Cheers, Hugo! So happy the Japan eSIM kept you connected. Safe travels, and see you on your next trip! — Priya

V

Viktor F.

Philippines · Oct 2025

✓ Verified

Saved me a fortune on my holiday in Japan. Setup instructions in the app were clear and simple. Will use eSIM TopUp for my next trip for sure.

Sara Sara eSIM TopUp Support · 9 months ago

Thank you for the kind words, Viktor! Delighted the speeds worked well for you. — Sara

T

Thomas K.

Vietnam · Oct 2025

✓ Verified

Super easy to set up before I flew out in Japan. Streaming and video calls worked without buffering. Exactly as described — no surprises.

David David eSIM TopUp Support · 9 months ago

Cheers, Thomas! So pleased it saved you from roaming bills. Wishing you many more connected adventures! – David, 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

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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?

M

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.

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Ingrid F. · 5 months ago

Is roaming charged extra or is it all included?

P

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?

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Linh T. · 8 months ago

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

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Viktor P. · 9 months ago

Thanks, installed with no problems on my Samsung.

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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?