How much is a Simsima eSIM for Japan?

Simsima eSIM plans for Japan start at $45.95 ($0.92 per GB). esimtable compares all 13 Simsima plans for Japan and updates prices daily.

Does Simsima offer unlimited data in Japan?

No, Simsima's Japan plans are all fixed-data, up to 50 GB.

esimtable tracks 13 Simsima plans for Japan, ranked by price per GB.

esimtable / Japan / Simsima

13 Simsima plans for Japan, ranked by $/GB. Cheapest $45.95 · $0.92/GB. Prices last verified 2026-09-09.

★ BEST SIMSIMA VALUE FOR JAPAN

Simsima

50 GB - 30 days

$45.95 total for 30 days · 50 GB

$0.92

per GB

📶 Roams onto: KDDI (5G), NTT docomo (5G), Rakuten (5G), SoftBank (5G)

⚠️ Traffic on this plan exits through HK, not Japan, worth knowing if you rely on local banking or streaming apps.

BEST VALUE = lowest $/GB here · SKIP = another plan from this provider gives more data for the same price or less

Plan	Data	Days	Price	$/GB
50 GB - 30 days BEST VALUE PROMO	50 GB	30	~~$45.95~~ $43.65	$0.92
20 GB - 30 days PROMO	20 GB	30	~~$21.92~~ $20.82	$1.10
10 GB - 30 days PROMO	10 GB	30	~~$16.46~~ $15.64	$1.65
5 GB - 30 days PROMO	5 GB	30	~~$9.97~~ $9.47	$1.99
3 GB - 30 days PROMO	3 GB	30	~~$7.88~~ $7.49	$2.63
1 GB - 7 days PROMO	1 GB	7	~~$3.30~~ $3.13	$3.30
20 GB - 365 days PROMO SKIP: BETTER OPTION EXISTS	20 GB	365	~~$84.83~~ $80.59	$4.24
5 GB - 60 days PROMO SKIP: BETTER OPTION EXISTS	5 GB	60	~~$33.99~~ $32.29	$6.80
3 GB - 7 days PROMO SKIP: BETTER OPTION EXISTS	3 GB	7	~~$24.19~~ $22.98	$8.06
2 GB - 7 days PROMO SKIP: BETTER OPTION EXISTS	2 GB	7	~~$23.64~~ $22.46	$11.82
100 MB - 7 days PROMO	0.1 GB	7	~~$1.50~~ $1.43	$15.00
2 GB - 10 days PROMO SKIP: BETTER OPTION EXISTS	2 GB	10	~~$30.45~~ $28.93	$15.22
2 GB - 15 days PROMO SKIP: BETTER OPTION EXISTS	2 GB	15	~~$43.04~~ $40.89	$21.52

SPEED5G

TOP-UPRechargeable

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