Taiwan eSIM plans compared

Which plan size fits your trip to Taiwan

Start with how long you need the connection. Ubigi lists 10 GB for 7 days at US$12.00, or US$1.20 per GB. That is the lowest price per GB in our Taiwan price table, but its short validity matters: a larger allowance does not help if the plan expires before your trip ends.

For light use on a short city trip, Saily's 1 GB for 7 days costs US$3.99, the lowest entry price in our table. You spend less upfront, but you also have much less data to work with. Choose it for a small allowance, not because its headline price makes it comparable to a larger plan.

For a longer stay, Saily lists 3 GB for 30 days at US$8.99 and 10 GB for 30 days at US$19.99. These give you a longer validity window than Ubigi's 7-day option. Pick the allowance around what you expect to do on mobile data during your city days, rather than buying extra GB solely for a lower unit price.

Unlimited plans and their limits

Unlimited data does not mean unlimited full-speed use or unlimited sharing. Saily's Taiwan page describes its Unlimited GB plan as 5 GB of high-speed 4G/5G data per day. After that, Saily reduces the speed to 1 Mbps for the rest of the day. Saily says every plan supports hotspot sharing.

Holafly describes a different restriction: network operators may temporarily apply a Fair Usage Policy in rare cases. Holafly says a speed reduction lasts no more than 1 day and resets the following day. Its hotspot allowance is separate from its unlimited phone data: Holafly lets you share 1 GB per day.

For 7 days, Airalo lists unlimited data at US$27.00 and Holafly at US$27.90. For 30 days, Airalo lists US$69.00 and Holafly US$73.90. The provider pages we checked do not state an Airalo speed cap or fair-use threshold, so do not treat the price difference as evidence of fewer restrictions.

If you need to connect a laptop or another traveler, give hotspot terms as much attention as the main allowance. Holafly's stated sharing limit may matter more to you than the unlimited label. With Saily, weigh the stated daily high-speed allowance against the reduced speed after you use it.

Networks and coverage

The local network names help you compare what each provider discloses. They do not, by themselves, establish which plan gives you a stronger signal at your accommodation or throughout your itinerary.

• Airalo names Taiwan Mobile on its Taiwan page.
• Saily names Chunghwa Telecom, Taiwan Mobile, and Far EasTone, and advertises 4G/LTE and 5G coverage.
• Nomad names Chunghwa and Taiwan Mobile, and advertises 4G/5G connectivity across Taipei, Kaohsiung, and Taichung.

Before you fly

Check that your phone supports eSIM before you buy. Saily says its eSIM works with eSIM-compatible smartphones. Follow your chosen provider's installation instructions, and distinguish installing the eSIM from starting the plan.

Airalo says you can install in advance with a stable internet connection. In the coverage area, turn the eSIM on and select it for data. Airalo also says top-ups are available for some eSIMs; check for a top-up package before relying on that option.

Nomad lets you buy and install before departure, but you must activate within 60 days of purchase. Its page says the plan starts automatically when connected to the destination network, while some eSIMs require manual activation. Check your installation email. Nomad also offers add-ons that activate when the initial plan expires.

Holafly emails the eSIM after purchase and says validity begins when it connects to a supported network. Its Taiwan plan is data-only, with no local number for traditional calls or texts. For city trips, Holafly describes urban coverage as excellent, but warns that coverage in mountains may be weaker or unstable. Treat that as a provider claim, not a guarantee for every stop.