On this page 8 sections
Unlimited eSIM fair use at a glance
Checked 6 November 2026- Read these four
- Daily high-speed cap; what happens after; hotspot share limit; when the clock starts
- Holafly (sample pages)
- Unlimited by the day; hotspot 1 GB/day; FUP may reduce speed up to 1 day
- Nomad unlimited
- After the daily high-speed allowance, speed drops to 1 Mbps (per Nomad help/plan copy we cite on destination pages)
- Saily unlimited (sample)
- Some pages describe 5 GB/day at full speed, then 1 Mbps — confirm on the plan you buy
- Checked
- 6 November 2026 (Asia/Shanghai)
Wording differs by destination. Always open the plan page for the country you are visiting.
The four numbers to read before you buy
| Number | What to look for | Why it matters |
|---|---|---|
| 1. Daily high-speed allowance | GB per day at full speed, if any | Unlimited often means unlimited after a daily cap at reduced speed |
| 2. After-cap speed | 1 Mbps, throttled, or unspecified | Video calls and hotspot may fail at 1 Mbps |
| 3. Hotspot / tethering | Allowed? Cap per day? | Holafly states 1 GB/day shareable hotspot on several destination FAQs |
| 4. Clock start | Install vs first connect vs auto-start window | Nomad auto-starts unused plans after 60 days; Saily states 180 days to activate on pages we checked |
Checked against official pages on 6 November 2026. Providers change wording; re-read at checkout.
How major providers describe unlimited (dated snapshot)
| Provider | What official pages said (snapshot) | Source type |
|---|---|---|
| Holafly | Unlimited by days; hotspot sharing 1 GB/day; FUP may reduce speed for up to one day | Destination FAQs (e.g. South Africa, Ireland, Japan) |
| Nomad | Unlimited day plans; after daily high-speed allowance, speed drops to 1 Mbps (as cited on our destination pages) | Plan/help copy restated on Signal Atlas destination guides |
| Airalo | Unlimited-day packages on many destinations; package-level details are the source of truth | Destination plan pages; global FUP help body not captured on 6 November 2026 |
| Saily | Unlimited day plans on some destinations; Japan-style copy has described 5 GB/day then 1 Mbps | Destination plan pages; confirm day length and rule at checkout |
| Ubigi | Unlimited country plans; fair-use policy may apply (stated on many Ubigi unlimited pages we cite) | Ubigi unlimited plan pages |
Not a contract. Re-check the live plan page. Official pages, 6 November 2026.
No invented tests
We do not invent speed tests. If a provider does not publish a numeric after-cap speed, we say so rather than guessing.
Unlimited vs fixed-data: a simple cost logic
Use our data calculator or how much data guide to estimate a week of maps and messaging versus a week of hotspot meetings.
- Light week (maps + chat, hotel Wi-Fi at night): a 3–5 GB fixed plan is often enough and cheaper than seven unlimited days.
- Heavy phone video, no Wi-Fi: unlimited can be simpler — if you accept the four numbers above.
- Daily laptop hotspot: prefer a large fixed plan, or confirm the hotspot cap will not strand you after 1 GB.
For destination examples, see Japan and Europe. The Airalo vs Holafly page shows how fixed vs day-pricing compares on sample routes.
Hotspot and “unlimited”
Hotspot rules are easy to miss because they sit below the marketing headline. Holafly’s destination FAQs repeatedly state 1 GB of shareable hotspot data per day. Nomad advertises hotspot support on many plans but still applies the unlimited high-speed → 1 Mbps rule. Always read the plan you are buying — not a screenshot from a different country.
When Signal Atlas usually recommends fixed plans
Fixed 3–10 GB
Cheaper than a week of unlimited on most destinations we cover.
Large fixed plan
Avoid 1 GB/day hotspot caps unless that is truly enough.
Unlimited — after the four numbers
Holafly or an Airalo unlimited-day package, once you accept FUP and hotspot rules.
Install before, activate on landing
Do not confuse installing the eSIM profile with starting the validity clock.
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Open the checklistFrequently asked questions
What does unlimited eSIM fair use mean?
It means the provider or local network may limit speed or hotspot sharing even when the plan is sold as unlimited. On Holafly destination pages checked 6 November 2026, hotspot sharing is 1 GB/day and a FUP may reduce speed for up to one day.
Is Holafly unlimited really unlimited?
Holafly sells unlimited-by-the-day data. Read the hotspot and Fair Usage Policy lines on the destination page before you buy.
Unlimited or fixed data — which is cheaper?
For light use, fixed GB is usually cheaper. For heavy phone video without Wi-Fi, unlimited can be simpler if you accept the four numbers on this page.
Does Nomad unlimited slow down?
On the Nomad unlimited rules we restate across destination guides, speed drops to 1 Mbps after the daily high-speed allowance. Confirm on the Nomad plan page for your destination.
Sources and method
Last checked 6 November 2026
All prices and plan facts on this page were read from these official pages on 6 November 2026. We have not purchased or tested these plans ourselves; we summarize what the providers publish, in our own words. Read our method.
- Holafly — eSIM for South AfricaChecked 6 November 2026
- Holafly — eSIM for IrelandChecked 6 November 2026
- Holafly — eSIM for JapanChecked 6 November 2026
- Airalo — Japan eSIMsChecked 6 November 2026
- Holafly — Europe eSIMChecked 6 November 2026