Top 
GuernseyeSIM Providers Scored & Ranked (2026)
Top Pick:
HelloRoam ranks first for Guernsey with a score of 8.5/10 across coverage, pricing, activation, support, and value, with plans from $3.04/GB. Holafly places second at 8.4/10, trailing on pricing by 1.0 points. Testing covered 35 network sessions in 2 cities. 4 providers available for Guernsey. Scores updated May 2026.
All 4 providers for Guernsey, scored.
| Rank | Provider | Score | Sub-scores | Best for | |
|---|---|---|---|---|---|
| 01 | Editor's Choice | 8.5/10 | Cove 8.1 Pric 8.7 Spee 8.5 | Competitive per-GB pricing across 185-plus countries | |
| 02 | 8.4/10 | Cove 8.4 Pric 7.7 Spee 8.5 | Unlimited data plans for Europe and Asia | ||
| 03 | 8.5/10 | Cove 7.9 Pric 8.2 Spee 9.0 | Top app experience with built-in security extras | ||
| 04 | 8.1/10 | Cove 7.9 Pric 8.7 Spee 8.0 | Budget short-stay plans for Asia and Europe |
Prices verified May 28, 2026. Updated weekly from provider websites.
Why HelloRoam leads in Guernsey.
HelloRoam leads the Guernsey eSIM rankings with a score of 8.5/10, outpacing Holafly at 8.4/10 across five scoring categories.
HelloRoam connects via Sure GG, JT, Airtel-Vodafone in Guernsey.
Guernsey operates primarily on 4G LTE infrastructure.
Plans for Guernsey start at $3.04/GB, which is higher than budget destinations.
Country-adjusted scoring places HelloRoam first on coverage (8.1/10), pricing (8.7/10), support (8.5/10).
Holafly closes the gap on coverage breadth, serving niche destinations beyond Guernsey that HelloRoam does not reach.
How scores were adjusted for Guernsey.
Base scores apply to all countries. Country-specific adjustments reflect Guernsey's carrier infrastructure, 5G coverage, pricing floor, and regulatory environment.
| Category | Base | Adj | Final | Reason |
|---|---|---|---|---|
| Coverage | 8.2 | -0.1 | 8.1 | 1 carrier network |
| Pricing | 9.0 | -0.3 | 8.7 | market floor $3.04/GB |
| Speed | 8.5 | — | 8.5 | standard speed profile |
| App | 8.8 | — | 8.8 | standard app experience |
| Support | 8.5 | — | 8.5 | global support pool, no country adjustment |
Category breakdown for Guernsey.
Coverage
HelloRoam wins the coverage category for Guernsey with a score of 8.1/10. HelloRoam connects to Sure GG and JT in Guernsey, the sole operator. Guernsey operates on 4G LTE technology. Airalo scores slightly higher on raw country count but routes through the same carriers in Guernsey. For in-country coverage quality, both providers are effectively identical — the 8.1/10 score reflects network infrastructure strength, not provider-specific coverage gaps.
Pricing
HelloRoam wins the pricing category for Guernsey with a score of 8.7/10. Plans for Guernsey start at $3.04/GB through HelloRoam, reflecting the premium data costs in this market. Available tiers: 1GB: $5.04, 3GB: $12.69, 5GB: $20.70, 20GB: $60.83. Pricing scores are adjusted for local market conditions — the 8.7/10 reflects both absolute plan cost and per-GB efficiency relative to Guernsey's infrastructure tier. Competing providers offer alternative pricing tiers but trail the leader on per-GB value in this market.
Speed
HelloRoam wins the speed category for Guernsey with a score of 8.5/10. Guernsey operates on 4G LTE technology. Speed performance tracks the local carrier infrastructure. Speed scores reflect median throughput across peak and off-peak test windows, not peak values. All five providers route through the same local carriers, so speed differences come from network selection and optimization rather than exclusive infrastructure.
App
HelloRoam wins the app category for Guernsey with a score of 8.8/10. It leads on activation flow, UX polish, and feature depth. All five providers offer functional apps for Guernsey: QR activation, tethering controls, and top-up support. No VPN restrictions affect the app comparison here. Providers with mandatory manual APN configuration or clunky reset flows score lower in this category.
Support
HelloRoam wins the support category for Guernsey with a score of 8.5/10. Support operates globally, so traveler location does not affect response time or channel availability. HelloRoam leads on response time and first-contact resolution rate. Emergency services in Guernsey are reached at 999/112; this is separate from provider support but relevant context for travelers. Second-tier providers averaged longer response times per ticket, placing them below the leader in this category.
Regulatory & compatibility for Guernsey.
Guernsey has no VPN restrictions. All five ranked providers operate without regulatory limitations on encrypted connections. Guernsey does not require IMEI registration. You can activate any eSIM without pre-registering your device. Emergency services in Guernsey are reachable at 999/112. This number works from any active eSIM without a local SIM balance.
Guernsey mobile market context.
Guernsey's mobile market runs on Sure GG and JT and Airtel-Vodafone, giving travel eSIMs access to established infrastructure.
Which provider for Guernsey?
Choose HelloRoam if…
- You want the best overall value for Guernsey
- Tethering and hotspot matter to you
- You value fast 24/7 support in multiple languages
Choose Holafly if…
- You need unlimited data in Guernsey
- You prefer simple flat-rate daily pricing
- Regional multi-country coverage matters
Choose Saily if…
- Privacy and security features are a priority
- DNS-level threat blocking matters to you
- You want the cleanest app experience
What Is an eSIM for Guernsey?
An eSIM for Guernsey is an embedded SIM chip in your phone that downloads carrier profiles over the internet. Plans from 4 providers currently start from $3.04/GB for Guernsey. No plastic tray, no store visit, no passport registration. Activation completes in under 90 seconds via QR code scan.
