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.
The comparison
eSIM providers compared for Dublin
All 5 providers ranked by weighted composite score. Color-coded by value.
| Provider | Rating | From / GB |
|---|---|---|
 HelloRoamHighest score | 4.3 / 5 | from $3.50/GB |
 AiraloTop composite rating | 4.5 / 5 | $4.50/GB |
 HolaflyStrongest unlimited tier | 4.3 / 5 | $2.99/day |
 SailyLeading privacy integration | 4.2 / 5 | $3.99/GB |
 NomadMost competitive per-GB rates | 4.2 / 5 | $3.00/GB |
Prices verified June 2026. Equal-weight score: Coverage Breadth 20%, Pricing Tiers 20%, Speed Consistency 20%, App Features 20%, Support Channels 20%.
Feature matrix
Spec-by-spec breakdown for Dublin
Every measurable dimension compared side by side.
| Feature | HelloRoam | Airalo | Holafly | Saily | Nomad |
|---|---|---|---|---|---|
| Overall Rating | 4.3/5 | 4.5/5 | 4.3/5 | 4.2/5 | 4.2/5 |
| Countries | 186+ | 200+ | 178+ | 150+ | 112+ |
| Starting Price | from $3.50/GB | $4.50/GB | $2.99/day | $3.99/GB | $3.00/GB |
| Per-GB Floor | $3.50 | $4.50 | $2.99/day | $3.99 | $3.00 |
| Founded | 2025 | 2019 | 2017 | 2023 | 2020 |
| Headquarters | United Kingdom | Singapore | Murcia, Spain | Vilnius, Lithuania | Santa Clara, CA |
| Support | Email + in-app chat | 24/7 chat + email | Email only | Email only | |
| Guarantee | Refund policy | 14-day refund | 6-month refund | 30-day refund | 30-day refund |
| Coverage Score25% weight | 4.5/5 | 4.9/5 | 4.3/5 | 4.0/5 | 3.9/5 |
| Pricing Score25% weight | 4.4/5 | 4.1/5 | 4.5/5 | 4.0/5 | 4.8/5 |
| Speed Score20% weight | 4.3/5 | 4.4/5 | 4.2/5 | 4.4/5 | 4.3/5 |
| App Score15% weight | 4.2/5 | 4.7/5 | 4.1/5 | 4.5/5 | 3.9/5 |
| Support Score15% weight | 4.1/5 | 4.2/5 | 4.7/5 | 4.1/5 | 3.9/5 |
| Weighted Composite | 4.30/5 | 4.45/5 | 4.35/5 | 4.20/5 | 4.15/5 |
Score breakdown
Provider scores for Dublin
Weighted composite score across 5 dimensions.
Methodology
How we score eSIM providers
Five dimensions, weighted by impact on traveler experience.
Country count, carrier partnerships, regional bundle availability
Per-GB floor, plan tier spread, value at common data amounts
Carrier routing quality, LTE/5G availability, median download speeds
Store ratings, installation flow, data tracking, interface quality
Channel availability, response time, refund policy
All scores are editorial assessments based on verified data. Pricing checked weekly. See our full scoring methodology for details.
HelloRoam -- Best Coverage + Value
HelloRoam scores 8.6/10 overall and prices 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.
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
- 31+ local currencies supported at checkout
- 63-language interface for non-English travelers
Cons
- Email-only support with 12-24 hour response times
- Newer brand (launched August 2025) with shorter track record
- App store ratings still building compared to Airalo
Airalo -- Best Overall Coverage
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.
Pros
- 200+ countries with the widest coverage breadth in the market
- Regional multi-country bundles (Asialink, Eurolink, Discover Global)
- Highest-rated app (4.8/5 iOS, 4.6/5 Android) 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
- Customer support slower than premium providers (4-6 hour email response)
Holafly -- Best Unlimited Data
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 the matrix's highest Support score at 4.65/5 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.
Pros
- Unlimited daily data from $2.99/day with no data caps
- 178+ countries covered including all major destinations
- Simple per-day pricing: know exactly what you pay before you leave
- 6-month refund policy on unused plans
- 24/7 chat support with fast response times
Cons
- Speeds reduce to 256 Kbps-1 Mbps after 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
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 150-country footprint and 4.5/5 App score, second only to 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.
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
- 150 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
- 150 countries, a narrower footprint than Airalo
- 12-24 hour support response times
Nomad -- Best Budget Option
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 24-48 hour email-only support window is the slowest of the five.
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 24-48 hour response times
- Basic app compared to Airalo and Saily
- 112 countries, the narrowest footprint among the five providers
- Limited plan variety in some countries
FAQ
Frequently asked questions about eSIMs for Dublin
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, backed by an average download speed of 120 Mbps. 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.