Best eSIM guide · 2026
Best Dublin eSIM Providers (2026): Feature Matrix
5 providers scored across coverage, pricing, speed, app quality, and support. All data verified June 2026.
From the matrix
HelloRoam — Top composite rating
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The comparison
Dublin eSIM providers compared
All 5 providers ranked by weighted composite score. Color-coded by value.
| Provider | Rubric score (0-5) | From / GB |
|---|---|---|
 HelloRoamHighest scoreTop composite rating | 4.6 | from $3.50/GB |
 AiraloWidest coverage catalogue | 4.5 | $4.50/GB |
 SailyLeading privacy integration | 4.2 | $3.99/GB |
 HolaflyStrongest unlimited tier | 4.3 | $2.99/day |
 NomadMost competitive per-GB rates | 4.2 | $3.00/GB |
Prices verified June 2026. Equal-weight score: Coverage Breadth 20%, Pricing Tiers 20%, Network Generation 20%, App Features 20%, Support Channels 20%.
Feature matrix
Dublin spec-by-spec breakdown
Every rubric dimension compared side by side.
| Feature | HelloRoam | Airalo | Saily | Holafly | Nomad |
|---|---|---|---|---|---|
| Overall rating (0-5, our rubric) | 4.6 | 4.5 | 4.2 | 4.3 | 4.2 |
| Countries | 186+ | 200+ | 200+ | 160+ | 200+ |
| Starting Price | from $3.50/GB | $4.50/GB | $3.99/GB | $2.99/day | $3.00/GB |
| Per-GB Floor | $3.50 | $4.50 | $3.99 | $2.99/day | $3.00 |
| Founded | 2025 | 2019 | 2023 | 2017 | 2020 |
| Headquarters | United Kingdom | Singapore | Vilnius, Lithuania | Murcia, Spain | Santa Clara, CA |
| Support | Live chat + WhatsApp + email | Email + in-app chat | Email only | 24/7 chat + email | Email only |
| Guarantee | 180-day refund | 14-day refund | 30-day refund | 180-day refund | 30-day refund |
| Coverage Breadth score20% weight, 0-5 on our rubric | 4.5 | 4.9 | 4.0 | 4.3 | 3.9 |
| Pricing Tiers score20% weight, 0-5 on our rubric | 4.4 | 4.1 | 4.0 | 4.5 | 4.8 |
| Network Generation score20% weight, 0-5 on our rubric | 4.3 | 4.4 | 4.4 | 4.2 | 4.3 |
| App Features score20% weight, 0-5 on our rubric | 5.0 | 4.7 | 4.5 | 4.1 | 3.9 |
| Support Channels score20% weight, 0-5 on our rubric | 5.0 | 4.2 | 4.1 | 4.7 | 3.9 |
| Weighted Composite | 4.64 | 4.45 | 4.20 | 4.35 | 4.15 |
Score breakdown
Dublin provider scores
Weighted composite score across 5 dimensions.
Methodology
How we score eSIM providers
Five dimensions, each weighted at 20 percent.
Country count, carrier partnerships, regional bundle availability
Per-GB floor, plan tier spread, value at common data amounts
Carrier routing and which network generations that carrier publishes
Installation flow, data tracking, interface quality
Channel availability and refund policy
All scores are editorial assessments based on verified data. Pricing checked weekly. See our full scoring methodology for details.
HelloRoam -- Highest Composite Score
HelloRoam scores 4.64/5 on our rubric overall for Dublin, with App 5.0 and Support 5.0 on an iOS and Android app, live chat plus WhatsApp, and a 180-day refund. Plans price Ireland from $3.50/GB, above the country's own $0.79/GB comparison floor but still the second-cheapest fixed rate among the five compared. Its 204+ carrier partnerships matter less in a market where Ireland requires no ID for a local SIM either, though the 63-language checkout still helps non-English-speaking visitors passing through Dublin.
Dimension scores, 0-5 on our rubric
Pros
- 186 countries with 204+ carrier partnerships for reliable local routing
- Fixed plans from $3.50/GB across popular destinations
- Unlimited plans from $5 for short stays, scaling by duration
- iOS and Android app with in-app top-up, add-destination, and usage alerts
- Live chat, WhatsApp, and email support, including real-time channels
- 31+ local currencies supported at checkout
- 63-language interface for non-English travelers
Cons
- Newer brand (launched August 2025) with shorter track record
- 186 countries, behind Airalo's 200+ catalogue
Airalo -- Widest Coverage Catalogue
Airalo's $4.50/GB starting rate runs well above Ireland's own $0.79/GB comparison floor and Three Ireland's locally bundled all-you-can-eat plan, though it still carries the highest Coverage score in the matrix at 4.9/5 across 200+ countries. Its Eurolink bundle, covering 39 European countries on one eSIM, suits a Dublin stop on a wider UK-and-Ireland or continental itinerary.
Dimension scores, 0-5 on our rubric
Pros
- 200+ countries with the widest coverage breadth in the market
- Regional multi-country bundles (Asialink, Eurolink, Discover Global)
- Automatic in-app install with real-time data tracking and hourly runtime estimates
- Airmoney cashback rewards (5-10% depending on loyalty tier)
- Established brand since 2019 with proven reliability
Cons
- Per-GB pricing higher than budget alternatives
- Unlimited plans available in select markets only, not all 200+ destinations
- No live chat or WhatsApp channel: support runs on email and in-app messaging
Saily -- Best for Privacy
Saily prices Ireland at $3.99/GB with a bundled NordVPN connection at no extra cost, useful since VPN access stays unrestricted per enrichment data. Its 200-country footprint and 4.5/5 on the rubric App score, behind HelloRoam's 5.0 and Airalo's 4.7, still run above Ireland's own $0.79/GB comparison floor, positioning it as a privacy-first pick rather than the price leader for a Dublin trip.
Dimension scores, 0-5 on our rubric
Pros
- Backed by NordVPN parent company Nord Security with proven privacy infrastructure
- Integrated VPN protection included on every plan at no extra cost
- Clean, privacy-focused app with VPN toggle inside the eSIM interface
- 200 countries with strong European coverage
- 30-day refund policy
Cons
- Email-only support with no live chat or WhatsApp for urgent help
- Fixed data plans only; no unlimited daily tier
- 200 countries, just behind Airalo's 200-plus
Holafly -- Best Unlimited Daily Rate
Holafly's $2.99/day unlimited rate sits above Ireland's own $2.79 base per-day rate before any multi-day discount applies, backed by a 4.65/5 in our comparison matrix Support score behind HelloRoam's 5.0 and 24/7 chat availability. Ireland's own 30-day unlimited tier prices at $68.63, or $2.29 per day, undercutting Holafly's flat daily rate on a stay longer than a short Dublin weekend.
Dimension scores, 0-5 on our rubric
Pros
- Unlimited daily data from $2.99/day with no data caps
- 160+ countries covered including all major destinations
- Simple per-day pricing: know exactly what you pay before you leave
- 180-day refund policy on unused plans
- 24/7 chat support alongside email
Cons
- Speeds reduce after the daily fair use threshold on most plans
- Hotspot tethering limited to 1 GB/day on select destinations
- Not cost-effective for light data users (under 3 GB/trip)
- Fewer countries than Airalo
Nomad -- Best Budget Per-GB Rate
Nomad's $3.00/GB rate is the lowest fixed floor among the four outside providers, though it still runs above Ireland's own $0.79/GB tracked comparison floor and Three Ireland's locally bundled plan. Its Southeast Asia-concentrated discount does not carry into a Dublin trip, and its email-only support window is the thinnest of the five.
Dimension scores, 0-5 on our rubric
Pros
- Competitive pricing starting from $3.00/GB in Southeast Asia
- Simple, fast checkout with no account required in many cases
- Lowest per-GB rates for Thailand, Vietnam, South Korea, and Japan
- Plans start at a low entry price for short trips
Cons
- Email-only support with no live chat, WhatsApp, or phone channel
- Basic app compared to Airalo and Saily
- 200 countries, behind only Airalo among the five providers
- Limited plan variety in some countries
From the matrix
HelloRoam — Top composite rating
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FAQ
Dublin eSIM questions, answered
Who leads the Dublin eSIM comparison?
Who leads the Dublin eSIM comparison?
HelloRoam leads the 2026 composite at 4.64/5 in our comparison matrix. Airalo, Holafly, Saily, and Nomad follow on coverage breadth, daily unlimited, privacy, and per-GB pricing.
Which eSIM has the cheapest per-GB rate for Dublin?
Which eSIM has the cheapest per-GB rate for Dublin?
This comparison's own untracked floor for Ireland is $0.79/GB, below every one of the five tracked tiers, the cheapest of which is the 10GB plan at $1.19/GB. Among the five eSIMs, Nomad's $3.00/GB comes closest, followed by HelloRoam at $3.50/GB and Saily at $3.99/GB, with Airalo's $4.50/GB running highest and Holafly's $2.99/day unlimited rate skipping per-GB math entirely.
Does Dublin have 5G eSIM coverage?
Does Dublin have 5G eSIM coverage?
Yes. This comparison tracks 5G through Eir, and enrichment data names Dublin directly as one of three Irish cities with 5G, alongside Cork and Galway. Vodafone Ireland and Three Ireland, listed separately in enrichment data, sit outside this comparison's tracked routing.
Do I need ID to buy a SIM card in Dublin?
Do I need ID to buy a SIM card in Dublin?
No. Enrichment data confirms Ireland requires no ID for a local prepaid SIM purchase, one of the easiest markets in this comparison to buy one at any shop. That said, Three Ireland's all-you-can-eat local plan, which bundles EU roaming, still beats every eSIM in this comparison on raw value for a stay longer than a few days.
Compare all 5 providers for Dublin
Side-by-side scoring. Plans from $2.99/day to $4.50/GB. Verified June 2026.