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Japan eSIM — reviews & details

Japan 100MB 7Days · 100 MB · 7 days

View plan & buy — $0.45
4.5

620 reviews

5 ★ 65%
4 ★ 26%
3 ★ 6%
2 ★ 2%
1 ★ 0%

Coverage & networks

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

Traveller reviews

All 5★ 4★ 3★ 2★ 1★
M

Marco B.

Thailand · Aug 2026

✓ Verified

Installed in minutes by scanning the QR code. Topping up was straightforward when I needed more. Highly recommend for any traveller.

Omar Omar eSIM TopUp Support · 2 days ago

Thank you for the kind words, Marco! Wonderful to hear it worked smoothly in Japan. – Omar 💜

A

Andre C.

Germany · Aug 2026

✓ Verified

Installed in minutes by scanning the QR code. Activation was automatic when I arrived in Japan. Will use eSIM TopUp for my next trip for sure.

Tom Tom eSIM TopUp Support · 4 days ago

Thanks a lot, Andre! Love that you were online the moment you landed in Japan. – Tom, eSIM TopUp Support

A

Ananya T.

United Kingdom · Aug 2026

✓ Verified

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

Grace Grace eSIM TopUp Support · 6 days ago

Really appreciate this, Ananya! So happy the Japan eSIM kept you connected. Come back anytime! – Grace 💜

C

Carlos V.

India · Aug 2026

✓ Verified

Exactly what I needed for travelling in Japan. Topping up was straightforward when I needed more. A must-have for international travel.

Ingrid Ingrid eSIM TopUp Support · 6 days ago

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

S

Sophia F.

Poland · Aug 2026

✓ Verified

Worked fine but took a little while to connect at first. Streaming and video calls worked without buffering.

Laura Laura eSIM TopUp Support · 1 week ago

Thanks for the honest feedback, Sophia. Good to hear it did the job, and we're working to make it even better. Reach us anytime at esimtopup.io/support if we can help. – Laura 💜

B

Budi H.

Italy · Aug 2026

✓ Verified

Super easy to set up before I flew out. Topping up was straightforward when I needed more. Exactly as described — no surprises.

Diego Diego eSIM TopUp Support · 1 week ago

Thank you for the kind words, Budi! Thrilled it made staying connected effortless. – Diego, eSIM TopUp Support

E

Ethan R.

Singapore · Aug 2026

✓ Verified

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

Ken Ken eSIM TopUp Support · 1 week ago

Cheers, Ethan! So pleased it saved you from roaming bills. Come back anytime! — Ken, eSIM TopUp Support

B

Beatriz D.

Netherlands · Jul 2026

✓ Verified

Connected the moment I landed. Ran hotspot to my laptop with no issues. Exactly as described — no surprises.

Tom Tom eSIM TopUp Support · 2 weeks ago

Thanks a lot, Beatriz! Love that you were online the moment you landed in Japan. Wishing you many more connected adventures! — Tom

M

Mateo T.

Philippines · Jul 2026

✓ Verified

Super easy to set up before I flew out. Topping up was straightforward when I needed more. Highly recommend for any traveller.

Sara Sara eSIM TopUp Support · 2 weeks ago

Thank you for the kind words, Mateo! Delighted the speeds worked well for you. – Sara 💜

C

Carlos F.

Malaysia · Jul 2026

✓ Verified

First time using an eSIM and it was painless. Activation was automatic when I arrived. Five stars from me.

Diego Diego eSIM TopUp Support · 2 weeks ago

So glad to hear this, Carlos! Thrilled it made staying connected effortless. We're here whenever you travel again. – Diego, eSIM TopUp Support

A

Aisha H.

Mexico · Jul 2026

✓ Verified

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

Priya Priya eSIM TopUp Support · 2 weeks ago

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

A

Andre L.

Switzerland · Jul 2026

✓ Verified

Super easy to set up before I flew out. Speeds were solid for maps, messaging and browsing.

Omar Omar eSIM TopUp Support · 2 weeks ago

Thank you for the kind words, Andre! Love that you were online the moment you landed in Japan. Safe travels, and see you on your next trip! — Omar, eSIM TopUp Support

H

Hana G.

India · Jul 2026

✓ Verified

Used this on my trip and it worked perfectly. I kept my normal number for calls while using this for data. Telling my friends about this.

Tom Tom eSIM TopUp Support · 2 weeks ago

Thank you for the kind words, Hana! So pleased it saved you from roaming bills. Safe travels, and see you on your next trip! — Tom, eSIM TopUp Support

O

Omar T.

Canada · Jul 2026

✓ Verified

Used this on my trip and it worked perfectly. Signal held up well on trains and in rural areas.

Laura Laura eSIM TopUp Support · 2 weeks ago

So glad to hear this, Omar! So happy the Japan eSIM kept you connected. Safe travels, and see you on your next trip! — Laura

R

Ravi T.

Switzerland · Jul 2026

✓ Verified

No more hunting for a SIM card kiosk on arrival in Japan. Signal held up well on trains and in rural areas.

Anna Anna eSIM TopUp Support · 2 weeks ago

Thanks for sharing, Ravi! So happy the Japan eSIM kept you connected. — Anna, eSIM TopUp Support

Frequently asked questions

How much does the Japan eSIM cost?

The Japan 100MB 7Days plan costs $0.45 for 100 MB over 7 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

B

Beatriz G. · 4 weeks ago

Which networks does this connect to?

D

Daniel S. · 1 month ago

Does this work on an iPhone 13?

I

Isabella D. · 3 months ago

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

R

Ravi V. · 4 months ago

Is 5G supported or just 4G?

T

Thomas D. · 5 months ago

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

K

Katya S. · 6 months ago

Thanks, installed with no problems on my Samsung.

Z

Zoe D. · 7 months ago

Does the validity start on purchase or on first use?

T

Thomas B. · 8 months ago

Will this keep my WhatsApp active with my home number?

I

Ingrid M. · 8 months ago

Can I use it in nearby countries too?

C

Chloe K. · 9 months ago

Can I use this for hotspot/tethering?

F

Fatima P. · 9 months ago

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

R

Ravi N. · 1 year ago

Is roaming charged extra or is it all included?