eSIM for Japan

Sakura Mobile Japan eSIM

4.1 out of 5 review rating, from(101 reviews)Japan specialist14 plans from $28.93

14 plans on Docomo and au. 5 GB for a week from US$28.93. Prices checked .

Is Sakura Mobile good for Japan?

Sakura Mobile runs on Docomo and au, strong in all 10 areas on our coverage map, with good 4G at all 28 rural and mountain places. A week with 5 GB costs US$28.93, the 58th cheapest of the 60 providers with a week plan. 5G on every plan. Hotspot allowed. 4 unlimited plans, all with no daily cap. A Japanese phone number on some plans. Review rating 4.1 out of 5 from 101 customer reviews. How we rank Sakura Mobile.

Japan plans

Shown in USD, converted from JPY at ECB rates of

DataPriceCompare
Unlimited: No daily cap
Unlimited
7 days
$36.16
Unlimited
10 days
$46.15
Unlimited
14 days
$57.86
Unlimited
30 days
$91.26
Daily data: 3 GB a day at full speed, then 256 kbps until midnight Japan time
3 GB a day
7 days
$28.93
3 GB a day
7 days
$64.75
3 GB a day
10 days
$35.13
3 GB a day
10 days
$76.11
3 GB a day
14 days
$43.39
3 GB a day
14 days
$91.26
3 GB a day
30 days
$61.99
3 GB a day
30 days
$118.07
3 GB a day
60 days
$113.65
3 GB a day
90 days
$165.31

Sakura Mobile speed and data rules

Sakura Mobile data rules by plan type
Data at full speedWhen it runs outPlans
3 GB a daySlows to 256 kbps until midnight Japan timeMessages, maps and slow web pages, no video10 plans
UnlimitedNo daily cap4 plans

Sakura Mobile: “your speed will drop to 256 Kbps for the rest of the day” Source

Sakura Mobile ratings from customer reviews

101 reviews on Trustpilot, written 3 Aug 2026 to 11 Nov 2026. 18 of them are about a trip to Japan. Each rating needs at least 10 reviews that mention it.

Review rating4.1 out of 5The mean of the ratings below

Sakura Mobile ratings by aspect
AspectRatingReviews that mention it
Speed3.4 out of 510 reviews
Coverage4.0 out of 529 reviews
Setup4.3 out of 548 reviews
Support4.6 out of 556 reviews
ValueNot enough reviews8 reviews
AppNot enough reviews2 reviews
Data problems4.0% of reviews4 of 101 reviews report one
Refund problems1.0% of reviews1 of 101 reviews reports one

On trips to Japan: setup 4.1 from 12 reviews.

Sakura Mobile speed tests in Japan

No published speed tests of Sakura Mobile in Japan.

How fast these networks are for their own customers

Ookla's median speeds for people on each network's own plans, H1 2026 unless marked.

  • NTT Docomo
    Download
    50.5 MbpsQ3 2025
    Time on 5G
    51.4%
  • KDDI (au)
    Download
    67.85 Mbps
    Time on 5G
    48.8%
Ookla speeds for each network's own customers
NetworkDownload5G downloadTime on 5GLatency
NTT Docomo50.5 MbpsQ3 2025Not published51.4%Not published
KDDI (au)67.85 MbpsNot published48.8%Not published

Sources: Ookla Speedtest Connectivity Report H1 2026 via TelecomLead, 17 Sept 2026; Ookla Speedtest Intelligence Q3 2025 via TelecomsTechNews, 15 Dec 2025.