eSIMCard in Japan: 40 plans
| Data and days | eSIMCard | Cheaper elsewhere | Inbox eSIM |
|---|---|---|---|
| 1 GB3 days | $1.54$1.54/GB · #4 of 30 | not sold | |
| 1 GB5 days | $1.64$1.64/GB · #4 of 26 | not sold | |
| 1 GB7 days | $1.74$1.74/GB · #3 of 25 | not sold | |
| 1 GB10 days | $1.84$1.84/GB · #1 of 4 | none cheaper | not sold |
| 1 GB15 days | $1.95$1.95/GB · #1 of 4 | none cheaper | not sold |
| 1 GB30 days | $2.05$2.05/GB · #1 of 4 | none cheaper | not sold |
| 3 GB3 days | $2.77$0.92/GB · #4 of 31 | $3.6930 daysours: 30 days, not 3, no account needed | |
| 3 GB5 days | $2.88$0.96/GB · #4 of 31 | $3.6930 daysours: 30 days, not 5, no account needed | |
| 3 GB7 days | $2.97$0.99/GB · #4 of 31 | $3.6930 daysours: 30 days, not 7, no account needed | |
| 3 GB10 days | $3.19$1.06/GB · #5 of 29 | $3.6930 daysours: 30 days, not 10, no account needed | |
| 3 GB15 days | $3.28$1.09/GB · #6 of 29 | $3.6930 daysours: 30 days, not 15, no account needed | |
| 3 GB30 days | $3.39$1.13/GB · #6 of 25 | $3.6930 daysours: no account needed, unused: back to the card | |
| 5 GB3 days | $3.03$0.61/GB · #1 of 35 | none cheaper | $4.7930 daysours: 30 days, not 3, no account needed |
| 5 GB5 days | $3.28$0.66/GB · #2 of 35 | $4.7930 daysours: 30 days, not 5, no account needed | |
| 5 GB7 days | $3.70$0.74/GB · #2 of 35 | $4.7930 daysours: 30 days, not 7, no account needed | |
| 5 GB10 days | $3.81$0.76/GB · #3 of 35 | $4.7930 daysours: 30 days, not 10, no account needed | |
| 5 GB15 days | $4.21$0.84/GB · #5 of 35 | $4.7930 daysours: 30 days, not 15, no account needed | |
| 5 GB30 days | $4.52$0.90/GB · #6 of 33 | $4.7930 daysours: no account needed, unused: back to the card | |
| 10 GB3 days | $5.55$0.55/GB · #2 of 36 | $7.7930 daysours: 30 days, not 3, no account needed | |
| 10 GB5 days | $6.06$0.61/GB · #3 of 35 | $7.7930 daysours: 30 days, not 5, no account needed | |
| 10 GB7 days | $6.48$0.65/GB · #4 of 35 | $7.7930 daysours: 30 days, not 7, no account needed | |
| 10 GB10 days | $6.99$0.70/GB · #6 of 35 | $7.7930 daysours: 30 days, not 10, no account needed | |
| 10 GB15 days | $7.52$0.75/GB · #7 of 35 | $7.7930 daysours: 30 days, not 15, no account needed | |
| 10 GB30 days | $7.82$0.78/GB · #8 of 35 | $7.7930 days | |
| 15 GB20 days | $13.63$0.91/GB · #2 of 4 | not sold | |
| 20 GB3 days | $10.91$0.55/GB · #4 of 33 | $13.1930 daysours: 30 days, not 3, no account needed | |
| 20 GB5 days | $11.42$0.57/GB · #6 of 33 | $13.1930 daysours: 30 days, not 5, no account needed | |
| 20 GB7 days | $11.93$0.60/GB · #7 of 33 | $13.1930 daysours: 30 days, not 7, no account needed | |
| 20 GB10 days | $12.66$0.63/GB · #8 of 33 | $13.1930 daysours: 30 days, not 10, no account needed | |
| 20 GB15 days | $13.48$0.67/GB · #9 of 33 | $13.1930 days | |
| 20 GB30 days | $14.21$0.71/GB · #10 of 32 | $13.1930 days | |
| 30 GB3 days | $15.24$0.51/GB · #4 of 10 | not sold | |
| 30 GB5 days | $16.26$0.54/GB · #4 of 10 | not sold | |
| 30 GB7 days | $17.30$0.58/GB · #5 of 10 | not sold | |
| 30 GB10 days | $18.33$0.61/GB · #5 of 10 | not sold | |
| 30 GB15 days | $19.35$0.65/GB · #4 of 9 | not sold | |
| 30 GB30 days | $20.39$0.68/GB · #4 of 9 | not sold | |
| 50 GB3 days | $22.97$0.46/GB · #5 of 30 | $26.6930 daysours: 30 days, not 3, no account needed | |
| 50 GB5 days | $24.51$0.49/GB · #9 of 30 | $26.6930 daysours: 30 days, not 5, no account needed | |
| 50 GB7 days | $26.06$0.52/GB · #10 of 30 | $26.6930 daysours: 30 days, not 7, no account needed |
eSIMCard’s Japan page ↗ · All 37 brands for Japan · Inbox eSIM Japan: 5 GB for 30 days $4.79
eSIMCard is cheaper than Inbox eSIM on 24 of these plans. What ours does differently: no account needed; unused: back to the card. Every fact comes from eSIMCard’s own pages; see how each brand works.
How eSIMCard works
- App or account: The buying guide starts with signing up on the website or app; the QR is under My eSIMs in your account.
- Top-ups: Yes, where the plan supports it: add funds in your account, then buy data for the same eSIM.
- Refunds: Within 30 days, only for coverage problems or their technical faults with no data used; no refund for an incompatible phone.
From eSIMCard’s own pages; the sources are on the Japan comparison.
Questions
How much is an eSIMCard eSIM for Japan?
1 GB for 3 days $1.54; 1 GB for 5 days $1.64; 1 GB for 7 days $1.74; 1 GB for 10 days $1.84; 1 GB for 15 days $1.95; 1 GB for 30 days $2.05, and 34 more plans (read 30 Oct 2026 on esimcard.com).
Is there a cheaper eSIM than eSIMCard for Japan?
1 GB for 3 days: Alpine SIM $0.98 against $1.54; 1 GB for 5 days: Alpine SIM $0.98 against $1.64; 1 GB for 7 days: Alpine SIM $0.98 against $1.74; 3 GB for 3 days: MicroEsim $2.04 against $2.77. Prices read 30 Oct to 1 Nov 2026; each links to its page.
Do I need an app for eSIMCard in Japan?
The buying guide starts with signing up on the website or app; the QR is under My eSIMs in your account.. Top-ups: Yes, where the plan supports it: add funds in your account, then buy data for the same eSIM.. Refunds: Within 30 days, only for coverage problems or their technical faults with no data used; no refund for an incompatible phone..
Other brands in Japan
Jetpac · Yesim · Airalo · Holafly · eSIMPal · Nomad · Ubigi · Alpine SIM · Gigago · MicroEsim · shibaSIM · ESIM0 · Telcomia · AloOui
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.