eSIM for Japan

Sim Local Japan eSIM

3.6 out of 5 review rating, from(219 reviews)Global reseller10 plans from $4.00

10 plans on au and SoftBank. 5 GB for a week from US$11.00. Prices checked .

Is Sim Local good for Japan?

Sim Local runs on au and SoftBank, 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$11.00, the 36th cheapest of the 60 providers with a week plan. 5G on some plans. Hotspot allowed on some plans. 5 unlimited plans, all with no daily cap. Review rating 3.6 out of 5 from 219 customer reviews. How we rank Sim Local.

Japan plans

DataPriceCompare
1 GB
3 days
$4.00
3 GB
7 days
$7.50
5 GB
30 days
$11.00
10 GB
30 days
$16.25
20 GB
30 days
$25.50
Unlimited: No daily cap
Unlimited
4 days
$13.00
Unlimited
7 days
$19.00
Unlimited
10 days
$26.00
Unlimited
15 days
$39.00
Unlimited
31 days
$77.50

Sim Local speed and data rules

Sim Local data rules by plan type
Data at full speedWhen it runs outPlans
UnlimitedNo daily cap5 plans
1 to 20 GBSim Local doesn't say5 plans

Sim Local: “no daily cap” Source

Sim Local ratings from customer reviews

219 reviews: 95 on Trustpilot, 64 on Google Play and 60 on the App Store, written 8 Sept 2023 to 8 Nov 2026. 19 of them are about a trip to Japan. Each rating needs at least 10 reviews that mention it.

Review rating3.6 out of 5The mean of the ratings below

Sim Local ratings by aspect
AspectRatingReviews that mention it
Speed3.2 out of 519 reviews
Coverage3.6 out of 5108 reviews
Setup4.0 out of 593 reviews
Support3.3 out of 542 reviews
Value4.0 out of 562 reviews
App3.7 out of 543 reviews
Data problems2.7% of reviews6 of 219 reviews report one
Refund problems2.3% of reviews5 of 219 reviews report one

On trips to Japan: coverage 3.8 from 17 reviews.

Sim Local speed tests in Japan

1 published speed test of Sim Local in Japan, by Find Your eSIM.

  • Shiba Park, Tokyo473 Mbps
    KDDI (au)Upload 99.6 MbpsLatency 13 ms
    Find Your eSIM, Aug 2026
Published speed tests of Sim Local in Japan
WhereNetworkDownloadUploadLatencyTested by
Shiba Park, TokyoKDDI (au)473 Mbps99.6 Mbps13 msFind Your eSIMAug 2026

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.

  • KDDI (au)
    Download
    67.85 Mbps
    Time on 5G
    48.8%
  • SoftBank
    Download
    73.78 Mbps
    5G download
    153.55 Mbps
    Time on 5G
    41.4%
    Latency
    45 ms
Ookla speeds for each network's own customers
NetworkDownload5G downloadTime on 5GLatency
KDDI (au)67.85 MbpsNot published48.8%Not published
SoftBank73.78 Mbps153.55 Mbps41.4%45 ms

Sources: Ookla Speedtest Connectivity Report H1 2026 via TelecomLead, 17 Sept 2026.