eSIM TopUp
Sign up

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★
M

Marco D.

United States · Oct 2025

✓ Verified

Used this on my trip and it worked perfectly in Japan. Streaming and video calls worked without buffering.

Tom Tom eSIM TopUp Support · 9 months ago

Cheers, Marco! Love that you were online the moment you landed in Japan. Come back anytime! – Tom 💜

P

Pablo N.

Portugal · Oct 2025

✓ Verified

Bought it the night before my flight — smooth process. Data lasted the whole trip with room to spare. Great experience overall.

Diego Diego eSIM TopUp Support · 10 months ago

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

I

Ingrid D.

Vietnam · Oct 2025

✓ Verified

Connected the moment I landed. Customer support answered my question quickly. Would definitely buy again.

Mark Mark eSIM TopUp Support · 10 months ago

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

A

Ava W.

Philippines · Oct 2025

✓ Verified

Honestly better than buying a local SIM at the airport. Streaming and video calls worked without buffering. A must-have for international travel.

Mark Mark eSIM TopUp Support · 10 months ago

Really appreciate this, Ava! So pleased it saved you from roaming bills. We're here whenever you travel again. – Mark, eSIM TopUp Support

N

Noah V.

Turkey · Oct 2025

✓ Verified

Great value compared to roaming charges. Data lasted the whole trip with room to spare. Zero regrets.

Mark Mark eSIM TopUp Support · 10 months ago

Thank you so much, Noah! So happy the Japan eSIM kept you connected. We're here whenever you travel again. — Mark, eSIM TopUp Support

A

Andre L.

Netherlands · Oct 2025

✓ Verified

No more hunting for a SIM card kiosk on arrival. I kept my normal number for calls while using this for data.

Diego Diego eSIM TopUp Support · 10 months ago

Thank you for the kind words, Andre! So happy the Japan eSIM kept you connected. Come back anytime! — Diego, eSIM TopUp Support

K

Kenji G.

Netherlands · Oct 2025

✓ Verified

Honestly better than buying a local SIM at the airport. Customer support answered my question quickly. Five stars from me.

Sophie Sophie eSIM TopUp Support · 10 months ago

Thanks for sharing, Kenji! Wonderful to hear it worked smoothly in Japan. Wishing you many more connected adventures! — Sophie, eSIM TopUp Support

H

Hugo M.

Canada · Sep 2025

✓ Verified

Super easy to set up before I flew out in Japan. Customer support answered my question quickly. Would definitely buy again.

James James eSIM TopUp Support · 10 months ago

Thank you for the kind words, Hugo! Wonderful to hear it worked smoothly in Japan. Wishing you many more connected adventures! — James

A

Anna B.

Singapore · Sep 2025

✓ Verified

Bought it the night before my flight — smooth process. Setup instructions in the app were clear and simple. Exactly as described — no surprises.

Tom Tom eSIM TopUp Support · 10 months ago

Thank you so much, Anna! So happy the Japan eSIM kept you connected. Wishing you many more connected adventures! — Tom

N

Noah B.

Netherlands · Sep 2025

✓ Verified

Great value compared to roaming charges. Topping up was straightforward when I needed more.

Priya Priya eSIM TopUp Support · 10 months ago

Thank you for the kind words, Noah! So happy the Japan eSIM kept you connected. Safe travels, and see you on your next trip! – Priya, eSIM TopUp Support

E

Elena V.

Sweden · Sep 2025

✓ Verified

Used this on my trip and it worked perfectly in Japan. Ran hotspot to my laptop with no issues.

Sara Sara eSIM TopUp Support · 10 months ago

Cheers, Elena! Delighted the speeds worked well for you. We're here whenever you travel again. — Sara

S

Somchai L.

Singapore · Sep 2025

✓ Verified

Bought it the night before my flight — smooth process. Topping up was straightforward when I needed more.

James James eSIM TopUp Support · 11 months ago

Thank you for the kind words, Somchai! So happy the Japan eSIM kept you connected. Wishing you many more connected adventures! – James, eSIM TopUp Support

E

Elena C.

Egypt · Sep 2025

✓ Verified

Honestly better than buying a local SIM at the airport in Japan. Speeds were solid for maps, messaging and browsing. Exactly as described — no surprises.

Emma Emma eSIM TopUp Support · 11 months ago

Thank you so much, Elena! Delighted the speeds worked well for you. Come back anytime! — Emma, eSIM TopUp Support

L

Liam P.

Brazil · Sep 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.

James James eSIM TopUp Support · 11 months ago

So glad to hear this, Liam! Great to know the setup was quick and easy. Come back anytime! — James

S

Somchai S.

Philippines · Aug 2025

✓ Verified

First time using an eSIM and it was painless. Activation was automatic when I arrived.

James James eSIM TopUp Support · 11 months ago

Thank you so much, Somchai! Thrilled it made staying connected effortless. — James, 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?

P

Pablo C. · 2 months ago

How do I check how much data I have left?

G

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?

L

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?

P

Pablo N. · 6 months ago

Does the validity start on purchase or on first use?

O

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?

S

Sri N. · 1 year ago

Which networks does this connect to?