We weigh travel eSIM brands for Taiwan on coverage, speed, reliability, which of the island's three carriers they ride, the dual-document registration rule at the counter, and fair use terms. Ranking is never for sale.
HelloRoam is Simscanner's top-ranked travel eSIM for Taiwan on our modelled comparison; Ubigi is the cheapest plan we tracked, from $3.00. Taiwan runs a three-operator market after the National Communications Commission cleared two mergers in January 2023, folding Taiwan Star into Taiwan Mobile and Asia Pacific Telecom into Far EasTone. Buying a local prepaid SIM means a strict two-document ID check at the counter, which a travel eSIM bought before you fly can sidestep. Coverage is densest along the urbanised west coast through Taipei, Taichung and Kaohsiung. Weigh the brands in the ranking below.
Modelled estimates. Winner appears after verification.
We grade each brand on how far it reaches across the island, how fast it runs, how steady it stays, which of Taiwan's three carriers carries it, how openly it states unlimited and fair use limits, and what reviewers report. Independent throughout, and never for sale.
A quick read of the field. Drop to the full grid lower down for reach, pace, steadiness, fair use, tethering, host carriers, and reviewer signals.
| Brand | Overall | Coverage | Speed | Unlimited |
|---|---|---|---|---|
HelloRoam |
93 |
93 |
90 |
Yes |
Airalo |
88 |
86 |
86 |
Yes |
Holafly |
89 |
89 |
89 |
Yes |
Nomad |
90 |
92 |
89 |
Yes |
Saily |
86 |
86 |
86 |
Yes |
Ubigi |
87 |
90 |
82 |
No |
83 |
86 |
81 |
Yes |
Swipe sideways to read every column. The brand name stays pinned on the left.
| Brand | Rank | Overall | Coverage | Speed | Reliability | Unlimited | FUP / fair use | Hotspot | Local networks | Review signal | Confidence | Action |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
HelloRoam |
1 | 93 |
93 |
90 |
Yes | Published no throttling; ~6 GB/day then ~1 Mbps | Allowed | Taiwan Mobile · Chunghwa | 4.4 | Verified | See brand → Visit HelloRoam ↗ | |
Airalo |
4 | 88 |
86 |
86 |
Yes | 3 GB/day high-speed | Not stated | Taiwan Mobile · Chunghwa | 4.2 | Secondary | See brand → Visit Airalo ↗ | |
Holafly |
3 | 89 |
89 |
89 |
Yes | High-speed ~90 GB/mo | Share ~1 GB/day | Chunghwa · Taiwan Mobile | 4.0 | Verified | See brand → Visit Holafly ↗ | |
Nomad |
2 | 90 |
92 |
89 |
Yes | 2 GB/day high-speed | Allowed | Chunghwa · Taiwan Mobile | 4.2 | Secondary | See brand → Visit Nomad ↗ | |
Saily |
6 | 86 |
86 |
86 |
Yes | 5 GB/day high-speed | Not stated | Taiwan Mobile · Chunghwa | 3.8 | Secondary | See brand → Visit Saily ↗ | |
Ubigi |
5 | 87 |
90 |
82 |
No | No unlimited Taiwan plan | Data sharing allowed | FarEasTone · Taiwan Mobile | 3.9 | Verified | See brand → Visit Ubigi ↗ | |
| 7 | 83 |
86 |
81 |
Yes | 3 GB/day high-speed | Not stated | Taiwan Mobile · Chunghwa | 4.3 | Secondary | See brand → Visit Jetpac ↗ |
A travel eSIM brand sells the plan; a Taiwanese carrier carries the signal. Whichever of the three national networks a brand rides is what fixes your real-world coverage, your reach off the west coast, and whether 5G appears. The grid further down maps each brand to its host carrier in Taiwan.
| Brand | Connected network | 4G / 5G | Main cities | Rural confidence | Source | Confidence |
|---|---|---|---|---|---|---|
HelloRoam |
Taiwan Mobile · Chunghwa | 5G/4G | Wide urban reach | Rural: High | helloroam.com | Verified |
Airalo |
Taiwan Mobile · Chunghwa | 5G | Strong across major cities | Rural: Good | esimdb.com | Secondary |
Holafly |
Chunghwa · Taiwan Mobile | 4G LTE/5G | Solid in the main cities | Rural: Medium | holafly.com | Verified |
Nomad |
Chunghwa · Taiwan Mobile | 4G/5G | Solid in the main cities | Rural: Medium | esimdb.com | Secondary |
Saily |
Taiwan Mobile · Chunghwa | 4G/5G | Strong across major cities | Rural: Good | esimdb.com | Secondary |
Ubigi |
FarEasTone · Taiwan Mobile | 5G | Good metro coverage | Rural: Medium-high | ubigi.com | Verified |
| Taiwan Mobile · Chunghwa | Not stated | Solid in the main cities | Rural: Medium | esimdb.com | Secondary |
Whether you must show identity papers comes from carrier rules under the national regulator, not from the eSIM brand. Here is the verified position for Taiwan.
Taiwan is an island in East Asia, separated from mainland China by the roughly 130-kilometre Taiwan Strait, with Japan's Ryukyu Islands to the north-east and the Philippines across the Luzon Strait to the south.
The full grid of every brand and plan offered for Taiwan, with data, validity, price, host network, hotspot, KYC and top-up. Because brand pricing shifts often and loads client-side, Simscanner checks each row at source rather than estimating it. Every cell is sourced where the brand publishes it.
| Brand | Plan | Data | Validity | Price (TWD) | Network | Hotspot | KYC | Top-up | Source |
|---|---|---|---|---|---|---|---|---|---|
HelloRoam |
1 GB / 7 days | Not stated | Not stated | USD only | Taiwan Mobile · Chunghwa | Allowed | Not required | Not stated | helloroam.com |
Airalo |
1 GB / 3 days | Not stated | Not stated | USD only | Taiwan Mobile · Chunghwa | Not stated | Not required (data-only) | Not stated | esimdb.com |
Holafly |
Unlimited / 3 days | Not stated | Not stated | USD only | Chunghwa · Taiwan Mobile | Share ~1 GB/day | Not required (data-only) | Not stated | holafly.com |
Nomad |
1 GB / 7 days | Not stated | Not stated | USD only | Chunghwa · Taiwan Mobile | Allowed | Not required (data-only) | Not stated | esimdb.com |
Saily |
1 GB / 7 days | Not stated | Not stated | USD only | Taiwan Mobile · Chunghwa | Not stated | Not required (data-only) | Not stated | esimdb.com |
Ubigi |
1 GB / 7 days | Not stated | Not stated | USD only | FarEasTone · Taiwan Mobile | Data sharing allowed | Not required (data-only) | Not stated | ubigi.com |
| 3 GB / 1 day | Not stated | Not stated | USD only | Taiwan Mobile · Chunghwa | Not stated | Not required (data-only) | Not stated | esimdb.com |
The word "unlimited" rarely means limitless. Most brands attach a fair use policy that slows you once a daily or trip-long cap is hit. The grid below sets out that cap, the speed you drop to, and whether tethering is allowed.
| Brand | Unlimited? | High-speed allowance | Throttle after FUP | Hotspot | Policy clarity | Notes | Source | Confidence |
|---|---|---|---|---|---|---|---|---|
HelloRoam |
Yes | Published no throttling; ~6 GB/day then ~1 Mbps | ~1 Mbps after ~6 GB/day | Allowed | Published no throttling; ~6 GB/day then ~1 Mbps · ~1 Mbps after ~6 GB/day | helloroam.com | Verified | |
Airalo |
Yes | 3 GB/day high-speed | 1000 kbps | Not stated | 3 GB/day high-speed · 1000 kbps | esimdb.com | Secondary | |
Holafly |
Yes | High-speed ~90 GB/mo | 256-1024 kbps | Share ~1 GB/day | High-speed ~90 GB/mo · 256-1024 kbps | holafly.com | Verified | |
Nomad |
Yes | 2 GB/day high-speed | Throttled after daily cap | Allowed | 2 GB/day high-speed · Throttled after daily cap | esimdb.com | Secondary | |
Saily |
Yes | 5 GB/day high-speed | 1 Mbps | Not stated | 5 GB/day high-speed · 1 Mbps | esimdb.com | Secondary | |
Ubigi |
No | No unlimited Taiwan plan | 2 Mbps after 60 GB on capped plans | Data sharing allowed | No unlimited Taiwan plan · 2 Mbps after 60 GB on capped plans | ubigi.com | Verified | |
| Yes | 3 GB/day high-speed | 1024 kbps | Not stated | 3 GB/day high-speed · 1024 kbps | esimdb.com | Secondary |
How fast a travel eSIM feels in Taiwan depends on the town you are in and the carrier it has latched onto. The grid reports each brand's typical download, upload, latency and whether you are on 4G or 5G. Figures shown are modelled estimates.
| Brand | Avg download | Avg upload | Latency | 4G / 5G | City confidence | Reliability | Last reviewed |
|---|---|---|---|---|---|---|---|
HelloRoam |
77 Mbps | 22 Mbps | 34 ms | 5G/4G | High in main cities | Reviewed 15 Jun 2026 | |
Airalo |
67 Mbps | 19 Mbps | 39 ms | 5G | Good in main cities | Reviewed 15 Jun 2026 | |
Holafly |
74 Mbps | 22 Mbps | 35 ms | 4G LTE/5G | High in main cities | Reviewed 15 Jun 2026 | |
Nomad |
74 Mbps | 22 Mbps | 35 ms | 4G/5G | High in main cities | Reviewed 15 Jun 2026 | |
Saily |
67 Mbps | 19 Mbps | 39 ms | 4G/5G | Good in main cities | Reviewed 15 Jun 2026 | |
Ubigi |
57 Mbps | 17 Mbps | 43 ms | 5G | High in main cities | Reviewed 15 Jun 2026 | |
| 55 Mbps | 16 Mbps | 45 ms | Not stated | Good in main cities | Reviewed 15 Jun 2026 |
We model public ratings from the App Store, Google Play and Trustpilot, then surface the recurring themes travellers raise about each brand. Ratings and themes shown are Simscanner modelled estimates, not verified review counts.
Aggregate is a Simscanner modelled estimate across the tracked brands.
Brand-agnostic steps. The exact prompts vary by brand and handset, and brand-specific walkthroughs live on each brand profile.
Make sure your handset is eSIM-capable and carrier-unlocked before you buy a Taiwan plan. Recent iPhone and most flagship Android models qualify.
Pay for the plan, then load the eSIM by scanning its QR code or tapping one-tap install while on home Wi-Fi, ahead of your flight to Taiwan, so you skip the dual-ID counter on arrival.
Pick the eSIM as your data line and enable data roaming for it so the profile latches onto Chunghwa, Taiwan Mobile or Far EasTone the moment you arrive.
Many Taiwan plans start counting validity when the eSIM first registers on a local network, so switch it on when you land in Taipei or Kaohsiung, not before.
Every brand earns a score across seven inputs. Coverage and local-network quality draw on public Taiwanese-carrier sources. Speed and reliability draw on public network performance data. Review and FUP signals come from public brand and store pages. No brand can pay to rank higher.
Public Taiwanese-carrier coverage data, mapped from the urbanised west coast to the mountainous interior and the east coast around Hualien and Taitung.
Public network performance sources, scoped to Taiwanese cities such as Taipei, Taichung and Kaohsiung.
Drop-off, time-to-connect, and uptime signals from public sources.
Clarity of allowance, throttle speed, and hotspot rules on each Taiwan plan.
Whether hotspot and tethering are allowed and on which Taiwan plans.
Which Taiwanese network the brand rides: Chunghwa Telecom, Taiwan Mobile or Far EasTone.
App Store, Play Store, and Trustpilot signals, weighted by recency.
Source quality, recency, and number of verified inputs per brand.
Straight answers to what Taiwan-bound travellers ask most. The wording lives in the page itself so both search engines and AI readers can lift it.
Carriers require two documents. On Taiwan Mobile's official tourist prepaid page, the primary ID can be a foreign passport (excluding Mainland China, Hong Kong and Macau), a valid ARC or an Entry/Exit Permit, paired with a secondary ID such as a valid ARC, a Taiwan driving licence, an NHI card, a visa or another identity document, both shown in original form. A travel eSIM bought from an international provider before you fly can avoid the airport counter, but check the provider's own terms.
Three. The National Communications Commission approved two mergers on 18 January 2023, folding Taiwan Star into Taiwan Mobile and Asia Pacific Telecom into Far EasTone and reducing a five-operator market to three: Chunghwa Telecom, Taiwan Mobile and Far EasTone.
The three operators are Chunghwa Telecom, Taiwan Mobile and Far EasTone. Under the 2023 merger conditions, the two merged carriers must reach 99 percent 4G and 98 percent 5G coverage by 2027, with rural 5G at 95 percent. Signal is strongest along the urbanised west coast around Taipei, Taichung and Kaohsiung and thinner in the mountainous interior. We do not publish verified coverage percentages, so treat any current coverage figure not cited here as a modelled estimate.
Usually not on a Taiwan-only plan. Taiwan is an island with no land border and no shared "roam like at home" zone like the EU, so a single-country Taiwan plan stops working once you leave and onward use falls under ordinary international roaming. If you also visit Japan or elsewhere in Asia, look for a brand's multi-country or regional Asia plan instead, and always check each brand's coverage list before you set off.
eSIM support depends on your handset, not on Taiwan. Most recent flagship phones support eSIM, but confirm your specific model is eSIM-capable and carrier-unlocked before buying any travel plan. Buy and install over home Wi-Fi by scanning the QR code or using one-tap install, then set the eSIM as your data line and switch on data roaming so it latches onto a Taiwanese network as you land in Taipei. Verified per-band frequency details for each Taiwanese operator are not stated and are not invented here.
FUP is the fair use policy: the threshold past which a brand may slow an unlimited plan. On Taiwan plans this is set by each brand rather than by any roaming bloc, since there is no regional roaming zone. The plans table on this page lists each brand's allowance and throttle, and never carries an invented limit.
Every factual claim about Taiwan's networks, KYC position, regulator, currency and region on this page is sourced below. Brand plan pricing is sourced per brand where the brand publishes it. All sources retrieved 30 May 2026.
AI-assisted disclosure. This page was drafted with AI assistance and reviewed by the Simscanner editorial team. Every network, KYC, regulator, currency and region claim is cited above with its retrieval date. Brand plan pricing and coverage are sourced; per-brand scores and speeds are Simscanner modelled estimates.
Carry on with a nearby East Asian country, the wider region, a leading brand profile, or the way we score.