eSIM for Japan

Mobal Japan eSIM

3.5 out of 5 review rating, from(102 reviews)Japan specialist31 plans from $10.33

31 plans on Docomo and SoftBank. 5 GB for a week from US$24.11. Prices checked .

Is Mobal good for Japan?

Mobal runs on Docomo 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$24.11, the 53rd cheapest of the 60 providers with a week plan. 5G on every plan. Hotspot allowed on some plans. 21 unlimited plans, all with no daily cap. A Japanese phone number on some plans. Review rating 3.5 out of 5 from 102 customer reviews. How we rank Mobal.

Japan plans

Shown in USD, converted from JPY at ECB rates of

DataPriceCompare
1 GB
30 days
1 GB at full speed, then 200 kbps for the rest of the plan
$41.33
5 GB
30 days
5 GB at full speed, then 200 kbps for the rest of the plan
$50.97
10 GB
16 days
$28.93
10 GB
30 days
10 GB at full speed, then 200 kbps for the rest of the plan
$53.73
10 GB
31 days
$37.26
15 GB
30 days
15 GB at full speed, then 200 kbps for the rest of the plan
$54.76
30 GB
30 days
30 GB at full speed, then 200 kbps for the rest of the plan
$58.41
50 GB
16 days
$32.37
50 GB
30 days
50 GB at full speed, then 200 kbps for the rest of the plan
$64.06
50 GB
31 days
$41.33
Unlimited: No daily cap
Unlimited
3 days
$10.33
Unlimited
4 days
$13.78

Mobal speed and data rules

Mobal data rules by plan type
Data at full speedWhen it runs outPlans
UnlimitedNo daily cap21 plans
1 to 50 GBSlows to 200 kbps for the rest of the planMessages and maps only6 plans
10 to 50 GBMobal doesn't say4 plans

Mobal: “you'll get reduced speeds (around 200 Kbps)” Source

Mobal ratings from customer reviews

102 reviews: 101 on Trustpilot and 1 on SmartCustomer, written 11 Sept 2020 to 9 Nov 2026. 19 of them are about a trip to Japan. Each rating needs at least 10 reviews that mention it.

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

Mobal ratings by aspect
AspectRatingReviews that mention it
Speed3.1 out of 510 reviews
Coverage3.6 out of 534 reviews
Setup3.8 out of 556 reviews
Support3.2 out of 522 reviews
Value3.6 out of 513 reviews
AppNot enough reviews4 reviews
Data problems2.0% of reviews2 of 102 reviews report one
Refund problems5.9% of reviews6 of 102 reviews report one

On trips to Japan: coverage 3.7 from 10 reviews and setup 4.1 from 10 reviews.

Mobal speed tests in Japan

2 published speed tests of Mobal in Japan, by Find Your eSIM.

  • Shiba Park, Tokyo439 Mbps
    KDDI (au)Upload 87.7 MbpsLatency 13 ms
    Find Your eSIM, Aug 2026
  • Shiba Park, Tokyo39.1 Mbps
    NTT DocomoUpload 11.3 MbpsLatency 78 ms
    Find Your eSIM, Aug 2026
Published speed tests of Mobal in Japan
WhereNetworkDownloadUploadLatencyTested by
Shiba Park, TokyoKDDI (au)439 Mbps87.7 Mbps13 msFind Your eSIMAug 2026
Shiba Park, TokyoNTT Docomo39.1 Mbps11.3 Mbps78 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.

  • NTT Docomo
    Download
    50.5 MbpsQ3 2025
    Time on 5G
    51.4%
  • 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
NTT Docomo50.5 MbpsQ3 2025Not published51.4%Not published
SoftBank73.78 Mbps153.55 Mbps41.4%45 ms

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