The best eSIM for Taiwan is the one that keeps you online without any fuss, and on an island this packed, you’ll lean on it constantly. Decoding a night market menu, catching the high-speed rail to Kaohsiung, and finding a mountain hot spring, it all runs on data that just works.
An eSIM gets you there with no airport queues and no tiny plastic card to fumble with. You scan, you tap, you’re connected. Prices and coverage vary more than you’d expect, though, so we did the legwork. Saily takes our top spot, but the best pick depends on your trip.
Best Taiwan eSIM: Top 5 Picks Ranked
5 Best eSIMs for Taiwan Tested and Reviewed
We spent two weeks putting these eSIMs through their paces in Taipei, Taichung, and Kaohsiung. We tracked download speeds, how well each one held a signal on the move, setup time, and the real value of each data plan against its price. The ones that kept up made the list.
| Saily | Ubigi | Holafly | Airalo | Nomad | |
| Start Price | $3.99 (1GB/7d) | $3 (1GB/7d) | $6.90 (unlimited GB/1d) | $4 (1GB/3d) | $4 (1GB/7d) |
| Network Partner | Undisclosed | FET, Taiwan Mobile | Undisclosed | Taiwan Mobile | Taiwan Mobile, Chunghwa Mobile |
| 5G in Taiwan | Yes | Yes | Yes | Yes | Yes |
| Calls/SMS | No | No | No | No | No |
| Our Favorite Feature | Security tools (ad-blocker, web protection, VPN) | Offline data top-ups | Unlimited data in all countries | Flexibility in plans and pricing | Rural coverage in Taiwan |
1. Saily: Best Overall (15% OFF with GIZMODO promo code)
Pros
- Low entry prices
- Ad-blocker (data saver)
- VPN for privacy
- Unlimited tethering
Cons
- No SMS/calls
- Pricey unlimited GB
Saily displayed the best performance in Taiwan. From constant 5G (we don’t remember any big LTE drops) to fast speeds and good security, Saily really impressed us. It’s the only eSIM for Taiwan with security features (VPN, ad-blocker, malicious URL protection) all included for a fair price, starting at only $3.99 for 1 GB of data for 7 days.
We used its unlimited plan for $48.99 for 15 days and had zero issues. Saily activates once you’re in Taiwanese airspace, and you can immediately dodge roaming. I traveled with two of my colleagues, and we bought only one Taiwan eSIM from Saily. With unlimited tethering, it was enough for all of us to go online.
On limited data plans, Saily supports auto-top-ups, so you always have internet access. Plus, it offers solid 24/7 support to help you with activation. Saily doesn’t have critical flaws, but it runs on data only, which some people may find odd. But that’s ultimately how all the best eSIMs work in 2026.
One thing that annoyed me was, and still is, its lack of transparency. Saily doesn’t disclose the network partner; it just says it works with multiple local partners. It would be good to know which ones are that, as Chunghwa Telecom is good for rural spots, and Taiwan Mobile covers more urban areas.
2. Ubigi: Best Travel eSIM for Taiwan
Pros
- Valuable Asia eSIM plans
- Reliable Taiwan coverage
- Offline top-ups
- Easy QR activation
Cons
- Subpar customer support
- Dated website interface
I tested Ubigi on its Taiwan eSIM plan for 15 days for $39 with unlimited data. With its FET and Taiwan Mobile networks, I enjoyed mostly 5G, but with noticeable dips to LTE in a few areas we explored (like Sun Moon Lake). Despite that, Ubigi held its own and was fast and always reliable for streaming and posting photos on Instagram.
Other than that, Ubigi was easy to activate with a QR code, and its unlimited tethering was welcome for our testing trio. We also tested its Asia eSIM plan, which included Taiwan, good for digital nomads and travelers. For instance, when we visited Japan, we kept using our eSIM seamlessly. Ubigi’s customer support isn’t the best, though.
It takes a bit of time to respond and is email-only. Luckily, we didn’t need to reach out. It was consistently working well in Taiwan and Asia. Ubigi starts at $3 for 1 GB data for 7 days, so it’s one of the least expensive eSIMs for Taiwan in May 2026.
3. Holafly: Unlimited eSIM Data in Taiwan
Pros
- Good for heavy internet use
- Automatic activation on arrival
- Strong 24/7 support
- Cheaper for longer stays
Cons
- Fair use policy
- 1 GB/day tethering limit
Holafly is an eSIM for Taiwan built for heavy usage. With unlimited data in all plans (starting at $6.90 per day), you can stream, download, and browse social media all day. But we didn’t do just that. We tested VoIP calls on WhatsApp and Viber, and Holafly held up without a hint of throttling. 5G was available, but drops to LTE were now more frequent.
We’re unsure about its network partner; it’s undisclosed. However, Holafly frequently uses 4G in Taiwan, despite the 5G-ready infrastructure. We expected more. We also expected more from tethering. You can only share 1 GB of data per day, enough for browsing, but not for streaming on Netflix. Longer stays tend to be cheaper, though.
We bought a 15-day plan for $50.90, but plans are generally flexible. A plus is its 24/7 live chat support; it responds almost instantly. Holafly is a good eSIM for travelers, but ultimately not great for consistent 5G in Taipei, Taichung, and Kaohsiung, our tested regions.
4. Airalo: Flexible Prices and Plans
Pros
- Affordable Taiwan eSIM
- Consistent 5G in Taiwan
- Fast for VoIP calling and streaming
Cons
- Data-only plans
- Expensive unlimited GB plans
Airalo has strong coverage in urban areas thanks to Taiwan Mobile. We had no issues with 4G drops, and Airalo was at least 80% of the time in its prime, 5G mode. Speeds were sufficient for tuning in to Netflix, video-calling on WhatsApp, and social media. We picked the 15-day unlimited GB plan for $43.50.
The price generally starts at $4 for 1 GB of data for 3 days if you need that little. Regardless, Airalo remains consistently fast, automatically activates when you arrive, and even offers a handy data consumption tracker. Tethering is unlimited, which we heavily used during our trip, and customer support is available through a few channels.
We contacted Airalo via WhatsApp just for testing, but it took a while to respond (almost 2 minutes), so it’s not the best. Airalo is also data-only, and it’s a shame because its eSIM for Brazil includes calls/SMS plans.
5. Nomad: Works Well in Rural Areas
Pros
- Good urban and rural coverage
- Low-cost entry plans
- Free 1 GB data for newcomers
Cons
- Confusing pricing
- No security extras
Nomad is the best eSIM for Taiwan for rural and urban areas. It partners with Taiwan Mobile for good urban-area coverage, but its Chunghwa Mobile partnership enables it to work in rural, more remote areas, like countless lakes in this country. We tested it personally, and it was just as reliable as our #1 eSIM for Taiwan, Saily.
For this trip, we bought a 20 GB plan for 30 days at $27, but Nomad’s pricing is very weird. It doesn’t offer eSIM for Taiwan for 15 days; you only get 3, 5, 7, 10, or 30 days. For instance, there’s no unlimited plan for 30 days, only for up to 10 days. It’s very confusing. At least, you have free 1 GB of data as a new user, in 81 locations, including Taiwan.
Nomad impressed us with its ease of use, seamless activation, and coverage. 5G was strong, and even in remote areas, we experienced zero performance drops. Our biggest gripe was its inflexible pricing as a result of a smaller selection of plans. Also, Nomad has no security extras that we got used to while testing Saily.
Summary: What is the Best eSIM for Taiwan?
The best eSIM for Taiwan makes staying connected easy in 2026. The networks are fast, coverage reaches just about everywhere, and honestly, almost any eSIM here will get you online without drama. So our pick really comes down to value and extras rather than who has a signal.
Saily wins overall for us; it’s cheap to start, the app is painless, and the built-in security features are a nice touch when you’re on sketchy public Wi-Fi. Heavy streamers might lean toward Holafly’s unlimited data, and if you’re heading out to Taroko or Alishan, look at Nomad. Match the plan to your trip, and you’re set.