Jetpac Japan eSIM
7 plans on Docomo, au and SoftBank. 5 GB for a week from US$10.00. Prices checked .
Is Jetpac good for Japan?
Jetpac runs on Docomo, 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$10.00, the 29th cheapest of the 60 providers with a week plan. Hotspot allowed. 1 unlimited plan, 1 of them with 3 GB a day at full speed. Review rating 3.3 out of 5 from 31 customer reviews. How we rank Jetpac.
Japan plans
| Data | Price | Compare | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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5 GB 30 days | $10.00 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
10 GB 30 days | $16.00 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
15 GB 30 days | $21.00 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
20 GB 30 days | $40.00 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
30 GB 30 days | $29.99 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
40 GB 30 days | $34.99 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Unlimited | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Unlimited 30 days 3 GB a day at full speed, then 1 Mbps until the allowance refills, every 24 hours | $65.99 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Jetpac speed and data rules
| Data at full speed | When it runs out | Plans |
|---|---|---|
| 3 GB a day | Slows to 1 Mbps until the allowance refills, every 24 hoursBrowsing and music, not HD video | 1 plan |
| 5 to 40 GB | Jetpac doesn't say | 6 plans |
Jetpac: “First 3 GB every 24 hours at standard network speeds.” Source
Jetpac ratings from customer reviews
31 reviews: 30 on Trustpilot and 1 on Productreview, written 13 Feb 2026 to 11 Nov 2026. 10 of them are about a trip to Japan. Each rating needs at least 10 reviews that mention it.
Review rating3.3 out of 5The mean of the ratings below
| Aspect | Rating | Reviews that mention it |
|---|---|---|
| Speed | Not enough reviews | 2 reviews |
| Coverage | 2.9 out of 5 | 17 reviews |
| Setup | Not enough reviews | 9 reviews |
| Support | 3.6 out of 5 | 28 reviews |
| Value | Not enough reviews | 5 reviews |
| App | Not enough reviews | 1 review |
| Data problems | 9.7% of reviews | 3 of 31 reviews report one |
| Refund problems | 6.5% of reviews | 2 of 31 reviews report one |
Jetpac speed tests in Japan
1 published speed test of Jetpac in Japan, by Find Your eSIM.
- Shiba Park, Tokyo167 MbpsUpload 54.1 MbpsLatency 191 msFind Your eSIM, Nov 2025
| Where | Download | Upload | Latency | Tested by |
|---|---|---|---|---|
| Shiba Park, Tokyo | 167 Mbps | 54.1 Mbps | 191 ms | Find Your eSIMNov 2025 |
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%
SoftBank- Download
- 73.78 Mbps
- 5G download
- 153.55 Mbps
- Time on 5G
- 41.4%
- Latency
- 45 ms
| Network | Download | 5G download | Time on 5G | Latency |
|---|---|---|---|---|
| NTT Docomo | 50.5 MbpsQ3 2025 | Not published | 51.4% | Not published |
| KDDI (au) | 67.85 Mbps | Not published | 48.8% | Not published |
| SoftBank | 73.78 Mbps | 153.55 Mbps | 41.4% | 45 ms |
Sources: Ookla Speedtest Connectivity Report H1 2026 via TelecomLead, 17 Sept 2026; Ookla Speedtest Intelligence Q3 2025 via TelecomsTechNews, 15 Dec 2025.
