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Unlimited eSIM: what “unlimited” really means
Almost every unlimited eSIM has a limit: an allowance at full speed, then a reduced speed. Here are the terms stated by each provider we compare.
How an unlimited plan works
You are never cut off, but beyond a certain amount of data, the speed drops. With the providers we compare, that allowance ranges from 2 GB to 5 GB a day when it is counted daily; some count it over the whole plan. After that, the speed drops to 500 kbps, 512 kbps, 1 Mbps or 2 Mbps: enough for messages and maps, often too slow for video.
Each provider’s terms
| Provider | At full speed | Then | Unlimited offered |
|---|---|---|---|
| GigSky | 3.5 GB a day | 500 kbps | In all 24 countries |
| GoMoWorld | — | — | No |
| Jetpac | 3 GB a day | 1 Mbps | In all 23 countries |
| Nomad | 2 GB a day | 512 kbps, 1 Mbps or 2 Mbps | In all 24 countries |
| Orange Travel | Not stated | Not stated | In 22 of 24 countries |
| PlanJapan | No daily cap announced | — | In Japan |
| Ubigi | 5 GB a day or from 7 GB to 60 GB in total depending on the plan | Reduced speed, no figure stated | In all 24 countries |
| Yesim | Not stated | Reduced speed, no figure stated | In all 24 countries |
Based on the plans checked on October 21, 2026 and the terms each provider publishes. “Not stated”: the provider gives no figure.
Unlimited or a data plan?
In Japan, for a week, the cheapest unlimited plan costs $24.49 with GigSky, and the cheapest 6 GB plan $12.99 with GoMoWorld (checked on October 21, 2026). Unlimited is worth it beyond about 25 GB over your trip, or if you often share your connection.
Before you buy an unlimited plan
- Look at the daily full-speed allowance, not just the word “unlimited”.
- Check the speed after that allowance: 500 kbps is fine for messages, not for video.
- If you plan to use a hotspot, check that it is allowed on the unlimited plan.
- Compare with a data plan: for everyday use, it is often cheaper.
Updated: October 21, 2026