The best eSIM for Japan: networks, data and prices
Heading to Tokyo, Kyoto or Osaka? A prepaid eSIM gives you local data from the moment you land — no SIM swap, no pocket Wi-Fi to return.
Which networks and speeds?
Our Japan eSIM connects to KDDI, NTT Docomo, at up to 4G.
How much data do I need?
- Maps, messaging and light browsing: about 1 GB per week.
- Daily social media and photo uploads: 3–5 GB per week.
- Video calls, streaming or hotspot for a laptop: 10 GB or more.
Japan eSIM prices
| 1 GB | 7 days | $7.00 |
| 2 GB | 15 days | $9.50 |
| 3 GB | 30 days | $11.50 |
| 5 GB | 30 days | $16.00 |
| 10 GB | 30 days | $23.50 |
| 20 GB | 30 days | $36.00 |
Compare: a typical carrier roaming pass is about $10.00/day ($70.00 per week).
How to set it up
- Check your phone is eSIM-capable and carrier-unlocked.
- Buy a plan — your QR code arrives by email in minutes.
- Scan it before you fly, then turn on Data Roaming for the eSIM when you land.