At a glance
- 1PelesimTravellers who want unlimited without paying a premium$42Unlimited in Japan, 30 days
- 2HolaflyPeople who want one brand for unlimited data everywhere$73.90Unlimited in Japan, 30 days
- 3AiraloLong stays that need a full month of unlimited data$69Unlimited in Japan, 30 days
- 4aloSIMTravellers who also want a number for calls and textsNot listed
- 5NomadShort trips where you are sure of your datesNot offered
What unlimited really means
No travel eSIM gives you unlimited data at full speed forever. Every plan here either gives you a set amount of fast data each day and then slows down, or slows you after a fair-use amount. The useful questions are how much fast data you get each day, how slow it gets afterwards, and how much you can share by hotspot.
How we picked
We compared Japan as a common reference point, at 7 and 30 days, then looked at each provider’s daily limits, hotspot rules and refunds. Prices were read from each provider’s own site on October 19, 2026. Pelesim prices are shown before VAT; other prices are as each site displayed them, and local taxes may apply.
Do you actually need unlimited?
For maps, messaging and social apps, 1 to 3 GB a day is more than enough, and a fixed plan is often cheaper. Unlimited earns its price if you stream video, take video calls, or share a hotspot with a laptop every day.
No. 1, our pick
Pelesim
Best for travellers who want unlimited without paying a premium
Clear daily limits, the lowest 7-day and 30-day prices we found for Japan, and day passes from under $2 for short stops.
What we like
- Japan, 7 days for $19 or 30 days for $42
- States the daily high-speed amount and the slower speed after it
- Day passes from $1.90 in the US and $2 in Japan and Thailand
- Refund within 30 days if the eSIM is not activated
Keep in mind
- Daily-limited, not uncapped high-speed data
- Android app only so far
- Japan 7 days
- $19
- Japan 30 days
- $42
- High-speed data
- 3 GB a day, then 1 Mbps
- Hotspot
- Allowed
No. 2
Holafly
Best for people who want one brand for unlimited data everywhere
Built around unlimited day passes in many countries, with long refund windows, but higher prices and a 1 GB daily hotspot cap.
What we like
- Unlimited day passes in many countries
- Refunds can be requested for up to 6 months
Keep in mind
- Japan, 7 days for $27.50 or 30 days for $73.90
- Hotspot capped at 1 GB a day, and no top-ups
- Japan 7 days
- $27.50
- Japan 30 days
- $73.90
- High-speed data
- No daily figure stated
- Hotspot
- 1 GB a day
No. 3
Airalo
Best for long stays that need a full month of unlimited data
Month-long unlimited plans in popular countries, with a fair-use slowdown and the support of the largest eSIM brand.
What we like
- 30-day unlimited in Thailand for $49
- 24/7 live chat and WhatsApp support
Keep in mind
- Japan 30 days is $69
- Speed slows after a set amount under fair use
- Japan 7 days
- Not listed
- Japan 30 days
- $69
- High-speed data
- Fair-use limit
- Hotspot
- Allowed
No. 4
aloSIM
Best for travellers who also want a number for calls and texts
Unlimited from 1 to 30 days with 2 GB of fast data each day and a free calling number on the side.
What we like
- 2 GB a day at full speed, then slower
- Free Hushed number with every purchase
Keep in mind
- Unlimited prices were not shown on the pages we checked
- Refund guarantee covers device and connection problems
- Japan 7 days
- Not listed
- Japan 30 days
- Not listed
- High-speed data
- 2 GB a day, then slower
- Hotspot
- Allowed
No. 5
Nomad
Best for short trips where you are sure of your dates
Unlimited plans from 3 to 21 days in many countries, but every one of them is non-refundable.
What we like
- Unlimited plans from 3 to 21 days
- Hotspot supported
Keep in mind
- All unlimited plans are non-refundable
- No 30-day unlimited option
- Japan 7 days
- Not listed
- Japan 30 days
- Not offered
- High-speed data
- Varies by plan
- Hotspot
- Allowed
Compare all five
| Our pickPelesim | No. 2Holafly | No. 3Airalo | No. 4aloSIM | No. 5Nomad | |
|---|---|---|---|---|---|
| Japan 7 days | $19 | $27.50 | Not listed | Not listed | Not listed |
| Japan 30 days | $42 | $73.90 | $69 | Not listed | Not offered |
| High-speed data | 3 GB a day, then 1 Mbps | No daily figure stated | Fair-use limit | 2 GB a day, then slower | Varies by plan |
| Hotspot | Allowed | 1 GB a day | Allowed | Allowed | Allowed |
