Yesim Japan eSIM
6 plans. 5 GB for a week from US$10.56. Prices checked .
Is Yesim good for Japan?
Yesim doesn't say which network it uses in Japan, so it has no coverage verdict on our map. A week with 5 GB costs US$10.56, the 34th cheapest of the 60 providers with a week plan. 5G on every plan. Hotspot allowed. 1 unlimited plan. Review rating 3.6 out of 5 from 584 customer reviews. How we rank Yesim.
Japan plans
| Data | Price | Compare | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
1 GB 30 days | $4.44 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
5 GB 30 days | $10.56 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
10 GB 30 days | $19.20 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
20 GB 30 days | $29.76 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
30 GB 30 days | $39.60 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Unlimited | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Unlimited 15 days No daily cap, fair-use policy applies | $43.20 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Yesim speed and data rules
| Data at full speed | When it runs out | Plans |
|---|---|---|
| Unlimited | No daily cap, fair-use policy applies | 1 plan |
| 1 to 30 GB | Yesim doesn't say | 5 plans |
Yesim: “Data speed may be limited in accordance with the network operator's Fair Usage Policy.” Source
Yesim ratings from customer reviews
584 reviews: 325 on the App Store, 157 on Google Play and 102 on Trustpilot, written 6 Jan 2020 to 12 Nov 2026. 14 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
| Aspect | Rating | Reviews that mention it |
|---|---|---|
| Speed | 2.9 out of 5 | 61 reviews |
| Coverage | 3.5 out of 5 | 232 reviews |
| Setup | 3.8 out of 5 | 162 reviews |
| Support | 4.0 out of 5 | 217 reviews |
| Value | 3.5 out of 5 | 138 reviews |
| App | 3.9 out of 5 | 108 reviews |
| Data problems | 6.3% of reviews | 37 of 584 reviews report one |
| Refund problems | 6.8% of reviews | 40 of 584 reviews report one |
On trips to Japan: coverage 3.7 from 11 reviews.
Yesim speed tests in Japan
1 published speed test of Yesim in Japan, by Find Your eSIM.
- Shiba Park, Tokyo4.8 MbpsUpload 4.2 MbpsLatency 137 msFind Your eSIM, Aug 2026
| Where | Download | Upload | Latency | Tested by |
|---|---|---|---|---|
| Shiba Park, Tokyo | 4.8 Mbps | 4.2 Mbps | 137 ms | Find Your eSIMAug 2026 |