MicroEsim in Japan: 40 plans
| Data and days | MicroEsim | Cheaper elsewhere | Inbox eSIM |
|---|---|---|---|
| 1 GB5 days | $1.17$1.17/GB · #2 of 26 | not sold | |
| 3 GB3 days | $2.04$0.68/GB · #1 of 31 | none cheaper | $3.6930 daysours: 30 days, not 3, no account needed |
| 3 GB5 days | $2.19$0.73/GB · #1 of 31 | none cheaper | $3.6930 daysours: 30 days, not 5, no account needed |
| 3 GB7 days | $2.29$0.76/GB · #1 of 31 | none cheaper | $3.6930 daysours: 30 days, not 7, no account needed |
| 3 GB15 days | $2.36$0.79/GB · #1 of 29 | none cheaper | $3.6930 daysours: 30 days, not 15, no account needed |
| 3 GB20 days | $2.54$0.85/GB · #2 of 25 | $3.6930 daysours: 30 days, not 20, no account needed | |
| 3 GB30 days | $2.71$0.90/GB · #3 of 25 | $3.6930 daysours: no account needed, unused: back to the card | |
| 5 GB5 days | $3.04$0.61/GB · #1 of 35 | none cheaper | $4.7930 daysours: 30 days, not 5, no account needed |
| 5 GB7 days | $3.51$0.70/GB · #1 of 35 | none cheaper | $4.7930 daysours: 30 days, not 7, no account needed |
| 5 GB10 days | $3.56$0.71/GB · #1 of 35 | none cheaper | $4.7930 daysours: 30 days, not 10, no account needed |
| 5 GB15 days | $3.74$0.75/GB · #1 of 35 | none cheaper | $4.7930 daysours: 30 days, not 15, no account needed |
| 5 GB20 days | $3.92$0.78/GB · #3 of 33 | $4.7930 daysours: 30 days, not 20, no account needed | |
| 5 GB30 days | $4.27$0.85/GB · #4 of 33 | $4.7930 daysours: no account needed, unused: back to the card | |
| 10 GB3 days | $5.52$0.55/GB · #1 of 36 | none cheaper | $7.7930 daysours: 30 days, not 3, no account needed |
| 10 GB5 days | $5.70$0.57/GB · #1 of 35 | none cheaper | $7.7930 daysours: 30 days, not 5, no account needed |
| 10 GB10 days | $5.86$0.59/GB · #1 of 35 | none cheaper | $7.7930 daysours: 30 days, not 10, no account needed |
| 10 GB15 days | $6.23$0.62/GB · #2 of 35 | $7.7930 daysours: 30 days, not 15, no account needed | |
| 10 GB20 days | $6.41$0.64/GB · #2 of 35 | $7.7930 daysours: 30 days, not 20, no account needed | |
| 10 GB30 days | $6.59$0.66/GB · #3 of 35 | $7.7930 daysours: no account needed, unused: back to the card | |
| 12 GB4 days | $9.95$0.83/GB · #2 of 2 | not sold | |
| 20 GB3 days | $10.13$0.51/GB · #3 of 33 | $13.1930 daysours: 30 days, not 3, no account needed | |
| 20 GB5 days | $10.51$0.53/GB · #2 of 33 | $13.1930 daysours: 30 days, not 5, no account needed | |
| 20 GB7 days | $10.87$0.54/GB · #2 of 33 | $13.1930 daysours: 30 days, not 7, no account needed | |
| 20 GB10 days | $11.06$0.55/GB · #3 of 33 | $13.1930 daysours: 30 days, not 10, no account needed | |
| 20 GB15 days | $11.60$0.58/GB · #4 of 33 | $13.1930 daysours: 30 days, not 15, no account needed | |
| 20 GB20 days | $11.98$0.60/GB · #5 of 33 | $13.1930 daysours: 30 days, not 20, no account needed | |
| 20 GB30 days | $12.52$0.63/GB · #6 of 32 | $13.1930 daysours: no account needed, unused: back to the card | |
| 30 GB3 days | $13.82$0.46/GB · #2 of 10 | not sold | |
| 30 GB5 days | $14.73$0.49/GB · #3 of 10 | not sold | |
| 30 GB7 days | $15.30$0.51/GB · #3 of 10 | not sold | |
| 30 GB10 days | $15.86$0.53/GB · #3 of 10 | not sold | |
| 30 GB15 days | $16.64$0.55/GB · #3 of 9 | not sold | |
| 30 GB20 days | $17.01$0.57/GB · #3 of 9 | not sold | |
| 30 GB30 days | $18.16$0.61/GB · #3 of 9 | not sold | |
| 30 GB60 days | $58.32$1.94/GB · #1 of 2 | none cheaper | not sold |
| 50 GB3 days | $21.42$0.43/GB · #2 of 30 | $26.6930 daysours: 30 days, not 3, no account needed | |
| 50 GB5 days | $23.72$0.47/GB · #6 of 30 | $26.6930 daysours: 30 days, not 5, no account needed | |
| 50 GB7 days | $24.52$0.49/GB · #9 of 30 | $26.6930 daysours: 30 days, not 7, no account needed | |
| 50 GB10 days | $25.54$0.51/GB · #9 of 29 | $26.6930 daysours: 30 days, not 10, no account needed | |
| 50 GB15 days | $26.76$0.54/GB · #10 of 29 | $26.6930 days |
MicroEsim’s Japan page ↗ · All 37 brands for Japan · Inbox eSIM Japan: 5 GB for 30 days $4.79
MicroEsim is cheaper than Inbox eSIM on 29 of these plans. What ours does differently: no account needed; unused: back to the card. Every fact comes from MicroEsim’s own pages; see how each brand works.
How MicroEsim works
- App or account: You register on the website with a nickname, billing address and email; the QR is emailed and the app is optional.
- Top-ups: Depends on the plan: each product page says whether top-ups are available.
- Refunds: No change-of-mind refunds; an unused eSIM or wrong order may get a full or partial refund less a fee, before expiry.
From MicroEsim’s own pages; the sources are on the Japan comparison.
Questions
How much is a MicroEsim eSIM for Japan?
1 GB for 5 days $1.17; 3 GB for 3 days $2.04; 3 GB for 5 days $2.19; 3 GB for 7 days $2.29; 3 GB for 15 days $2.36; 3 GB for 20 days $2.54, and 34 more plans (read 30 Oct 2026 on microesim.com).
Is there a cheaper eSIM than MicroEsim for Japan?
1 GB for 5 days: Alpine SIM $0.98 against $1.17; 3 GB for 20 days: MegaEsim $2.52 against $2.54; 3 GB for 30 days: MegaEsim $2.52 against $2.71; 5 GB for 20 days: MegaEsim $3.78 against $3.92. Prices read 30 Oct to 1 Nov 2026; each links to its page.
Do I need an app for MicroEsim in Japan?
You register on the website with a nickname, billing address and email; the QR is emailed and the app is optional.. Top-ups: Depends on the plan: each product page says whether top-ups are available.. Refunds: No change-of-mind refunds; an unused eSIM or wrong order may get a full or partial refund less a fee, before expiry..
Other brands in Japan
Jetpac · Yesim · Airalo · Holafly · eSIMPal · Nomad · Ubigi · Alpine SIM · eSIMCard · Gigago · 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.