Top-up

Top up your Japan eSIM in 2 minutes

Trip running longer? Add data to your PlanJapan data eSIM — same eSIM, same QR code, nothing to reinstall.

  1. 1
    Choose your data amount

    Select how much data you need: 5, 10 or 20 GB.

  2. 2
    Order as usual

    Pay like a regular order — 100% secure checkout.

  3. 3
    Your eSIM is topped up

    Once payment is complete, your eSIM is automatically topped up. Nothing else to do.

Automatic top-up Same eSIM, same QR code Support 7/7

💡 With the unlimited eSIM, no top-up needed: data is unlimited for your whole plan. See unlimited →

The idea

A top-up, not a new eSIM

You add data to the eSIM already installed on your phone. Three steps, two minutes, same number and same QR code.

1

Choose your data amount

Select how much data you need: 5, 10 or 20 GB.

5 GB$11.00 10 GB$17.00 20 GB$27.00
2

Order as usual

Pay like a regular order — 100% secure checkout.

Secure payment Pay · G Pay · Visa
3

Your eSIM is topped up

Once payment is complete, your eSIM is automatically topped up. Nothing else to do.

+10 GB
  • What doesn't change:
  • Same eSIM
  • Same QR code
  • Same settings
  • Nothing to do
Automatic detection

We find your eSIM for you

No number to dig out of your settings, no code to copy: we identify the eSIM linked to your order and top it up.

💡 Several PlanJapan eSIMs? We top up the one you're actually using — and if you came from one of our alert emails, that's exactly the one running low.

  1. You order

    Pick an amount and pay. No form, no number to type in.

  2. We identify your eSIM

    The email address on your order links us to the eSIM we delivered to you.

  3. The data lands

    A few minutes later your plan is topped up and you get a confirmation email.

Choosing well

How much data do you need?

It depends on what's left of your trip. Rough guides for everyday use in Japan.

5 GB $11.00

To finish a trip: maps, messaging and social media for a few days.

Top up
Most chosen10 GB $17.00

The sweet spot for one to two weeks: browsing, social media and a few videos.

Top up
20 GB $27.00

Heavy use: hotspot, video, remote work, or several people on one eSIM.

Top up

With the unlimited eSIM, no top-up needed: data is unlimited for your whole plan. See unlimited →

FAQ

Questions about top-ups

Automatically, a few minutes after payment. You receive a confirmation by email — nothing to install.

No. The top-up is added to the eSIM already installed on your phone: same eSIM, same QR code, same settings.

30 days, like your initial data plan.

No need: the unlimited eSIM has no data limit during the plan. Top-ups are for the data eSIM (5, 10 or 20 GB).

Can't find your answer?

Our support team replies within minutes on WhatsApp and by email — 7 days a week, weekends included.

💬 Contact us