Yesim in Japan: 13 plans
| Data and days | Yesim | Cheaper elsewhere | Inbox eSIM |
|---|---|---|---|
| 1 GB30 days | $4.13$4.13/GB · #3 of 4 | not sold | |
| 5 GB30 days | $9.82$1.96/GB · #23 of 33 | $4.7930 days | |
| 10 GB30 days | $17.86$1.79/GB · #30 of 35 | $7.7930 days | |
| 20 GB30 days | $27.68$1.38/GB · #27 of 32 | $13.1930 days | |
| 30 GB30 days | $36.83$1.23/GB · #7 of 9 | not sold | |
| Unlimited; see the brand's fair-use cap1 days | $3.91#11 of 15 | not sold | |
| Unlimited; see the brand's fair-use cap3 days | $11.72#16 of 20 | $9.903 days | |
| Unlimited; see the brand's fair-use cap5 days | $19.53#18 of 23 | $14.905 days | |
| Unlimited; see the brand's fair-use cap7 days | $27.35#21 of 23 | $20.907 days | |
| Unlimited; see the brand's fair-use cap10 days | $32.16#13 of 22 | $27.9010 days | |
| Unlimited; see the brand's fair-use cap15 days | $40.18#11 of 20 | $41.9015 daysours: no account needed, unused: back to the card, not credit | |
| Unlimited; see the brand's fair-use cap20 days | $47.25#5 of 16 | not sold | |
| Unlimited; see the brand's fair-use cap30 days | $61.39#5 of 16 | not sold |
Yesim’s Japan page ↗ · All 37 brands for Japan · Inbox eSIM Japan: 5 GB for 30 days $4.79
Yesim is cheaper than Inbox eSIM on 1 of these plans. What ours does differently: no account needed; unused: back to the card, not credit. Every fact comes from Yesim’s own pages; see how each brand works.
How Yesim works
- App or account: Account required: you log in to a Yesim account to buy, in the app or on yesim.app.
- Top-ups: Yes: extra data at any time in the app or on the website; optional auto-renewal with 20% off each renewal.
- Refunds: Within 30 days if not installed, connected or used, to the original payment method; refunds of EUR 10 or less only as Ycoins (in-app balance); app faults must be reported within 1 hour.
From Yesim’s own pages; the sources are on the Japan comparison.
Questions
How much is a Yesim eSIM for Japan?
1 GB for 30 days $4.13; 5 GB for 30 days $9.82; 10 GB for 30 days $17.86; 20 GB for 30 days $27.68; 30 GB for 30 days $36.83; Unlimited; see the brand's fair-use cap for 1 days $3.91, and 7 more plans (read 30 Oct 2026 on yesim.app).
Is there a cheaper eSIM than Yesim for Japan?
1 GB for 30 days: eSIMCard $2.05 against $4.13; 5 GB for 30 days: MegaEsim $3.78 against $9.82; 10 GB for 30 days: shibaSIM $5.99 against $17.86; 20 GB for 30 days: SimBalkan $11.05 against $27.68. Prices read 30 Oct to 1 Nov 2026; each links to its page.
Do I need an app for Yesim in Japan?
Account required: you log in to a Yesim account to buy, in the app or on yesim.app.. Top-ups: Yes: extra data at any time in the app or on the website; optional auto-renewal with 20% off each renewal.. Refunds: Within 30 days if not installed, connected or used, to the original payment method; refunds of EUR 10 or less only as Ycoins (in-app balance); app faults must be reported within 1 hour..
Other brands in Japan
Jetpac · Airalo · Holafly · eSIMPal · Nomad · Ubigi · Alpine SIM · eSIMCard · 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.