Skip to content
Inbox eSIMTravel eSIM

ONE eSIM eSIM for Japan: every plan, compared

ONE eSIM sells 33 plans for Japan, from $1.10 (0.5 GB for 7 days), read on oneesim.app on 5 Nov 2026. For 5 GB lasting a month it charges $7.43, number 32 of the 54 brands we read; the lowest is PikoeSIM at $2.97. On 33 of its 33 plans another brand sells the same data for as long, for less.

Our Japan plan: 5 GB, 30 days, $4.79No app, no account. The QR arrives by email in about a minute.Buy this plan

ONE eSIM in Japan: 33 plans

ONE eSIM’s prices read on 5 Nov 2026 on oneesim.app; other brands read 2 Nov to 5 Nov 2026; ours live. “Cheaper elsewhere” is the lowest other brand for the same data lasting at least as long.
Data and daysONE eSIMCheaper elsewhereInbox eSIM
0.5 GB7 days$1.10$2.20/GB · #6 of 10VoyaSIM$0.507 daysnot sold
1 GB7 days$1.93$1.93/GB · #10 of 46PikoeSIM$0.697 days$2.497 days
2 GB15 days$3.30$1.65/GB · #11 of 21PikoeSIM$1.6620 daysnot sold
3 GB15 days$4.68$1.56/GB · #27 of 47PikoeSIM$1.9930 days$3.6930 days
3 GB30 days$4.95$1.65/GB · #23 of 39PikoeSIM$1.9930 days$3.6930 days
5 GB30 days$7.43$1.49/GB · #32 of 54PikoeSIM$2.9730 days$4.7930 days
10 GB30 days$12.93$1.29/GB · #35 of 56PikoeSIM$4.9830 days$7.7930 days
12 GB4 days$12.43$1.04/GB · #12 of 12PikoeSIM$5.3830 daysnot sold
20 GB30 days$22.55$1.13/GB · #39 of 53PikoeSIM$8.3530 days$13.1930 days
21 GB7 days$21.20$1.01/GB · #10 of 11SparkRoam$10.357 daysnot sold
50 GB30 days$46.75$0.94/GB · #36 of 45PikoeSIM$18.0730 days$26.6930 days
50 GB180 days$77.00$1.54/GB · #19 of 20eSIM.now$28.00180 days$43.59180 days
999 GB3 days$12.40$0.01/GB · #4 of 4Bordersim$7.993 daysnot sold
999 GB5 days$21.37$0.02/GB · #4 of 4Bordersim$11.495 daysnot sold
999 GB10 days$31.65$0.03/GB · #4 of 4Bordersim$15.9910 daysnot sold
999 GB15 days$62.01$0.06/GB · #4 of 4Bordersim$29.4915 daysnot sold
0.5 GB a day, then 384 Kbps1 days$1.38#3 of 22Alpine SIM$0.701 daysnot sold
0.5 GB a day, then 256 Kbps1 days$1.38#3 of 22Alpine SIM$0.701 daysnot sold
0.5 GB a day, then 512 Kbps1 days$1.43#3 of 22Alpine SIM$0.701 daysnot sold
1 GB a day, then 1 Mbps1 days$2.20#3 of 22Alpine SIM$0.701 daysnot sold
1 GB a day, then 512 Kbps1 days$2.64#3 of 22Alpine SIM$0.701 daysnot sold
1 GB a day, then 256 Kbps1 days$2.75#3 of 22Alpine SIM$0.701 daysnot sold
1 GB a day, then 384 Kbps1 days$2.75#3 of 22Alpine SIM$0.701 daysnot sold
2 GB a day, then 1 Mbps1 days$4.40#3 of 22Alpine SIM$0.701 daysnot sold
2 GB a day, then 512 Kbps1 days$5.06#3 of 22Alpine SIM$0.701 daysnot sold
2 GB a day, then 256 Kbps1 days$5.50#3 of 22Alpine SIM$0.701 daysnot sold
2 GB a day, then 384 Kbps1 days$5.50#3 of 22Alpine SIM$0.701 daysnot sold
3 GB a day, then 384 Kbps1 days$6.05#3 of 22Alpine SIM$0.701 daysnot sold
3 GB a day, then 256 Kbps1 days$6.05#3 of 22Alpine SIM$0.701 daysnot sold
3 GB a day, then 512 Kbps1 days$6.55#3 of 22Alpine SIM$0.701 daysnot sold
3 GB a day, then 1 Mbps1 days$6.96#3 of 22Alpine SIM$0.701 daysnot sold
5 GB a day, then 384 Kbps1 days$9.68#3 of 22Alpine SIM$0.701 daysnot sold
10 GB a day, then 384 Kbps1 days$13.31#3 of 22Alpine SIM$0.701 daysnot sold

ONE eSIM’s Japan page ↗ · All 58 brands for Japan · Inbox eSIM Japan: 5 GB for 30 days $4.79

Questions

How much is an ONE eSIM eSIM for Japan?

0.5 GB for 7 days $1.10; 1 GB for 7 days $1.93; 2 GB for 15 days $3.30; 3 GB for 15 days $4.68; 3 GB for 30 days $4.95; 5 GB for 30 days $7.43, and 27 more plans (read 5 Nov 2026 on oneesim.app).

Is there a cheaper eSIM than ONE eSIM for Japan?

0.5 GB for 7 days: VoyaSIM $0.50 against $1.10; 1 GB for 7 days: PikoeSIM $0.69 against $1.93; 2 GB for 15 days: PikoeSIM $1.66 against $3.30; 3 GB for 15 days: PikoeSIM $1.99 against $4.68. Prices read 2 Nov to 5 Nov 2026; each links to its page.

Other brands in Japan

Jetpac · Yesim · Airalo · Holafly · eSIMPal · Nomad · Ubigi · Alpine SIM · eSIMCard · Gigago · Lempart Flex · MicroEsim · ESIM0 · shibaSIM

Written by Inbox eSIM, which sells eSIMs: every price links to where we read it, with the date (how we compare). Brand names and icons belong to their owners.