Best eSIM guide · 2026
Best eSIM for Unlimited Data (2026): 5 Providers Compared
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
Unlimited Data 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 |
 HolaflyStrongest unlimited tier | 4.3 | $2.99/day |
 SailyLeading privacy integration | 4.2 | $3.99/GB |
 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
Unlimited Data spec-by-spec breakdown
Every rubric dimension compared side by side.
| Feature | HelloRoam | Airalo | Holafly | Saily | Nomad |
|---|---|---|---|---|---|
| Overall rating (0-5, our rubric) | 4.6 | 4.5 | 4.3 | 4.2 | 4.2 |
| Countries | 186+ | 200+ | 160+ | 200+ | 200+ |
| 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 | Live chat + WhatsApp + email | Email + in-app chat | 24/7 chat + email | Email only | Email only |
| Guarantee | 180-day refund | 14-day refund | 180-day refund | 30-day refund | 30-day refund |
| Coverage Breadth score20% weight, 0-5 on our rubric | 4.5 | 4.9 | 4.3 | 4.0 | 3.9 |
| Pricing Tiers score20% weight, 0-5 on our rubric | 4.4 | 4.1 | 4.5 | 4.0 | 4.8 |
| Network Generation score20% weight, 0-5 on our rubric | 4.3 | 4.4 | 4.2 | 4.4 | 4.3 |
| App Features score20% weight, 0-5 on our rubric | 5.0 | 4.7 | 4.1 | 4.5 | 3.9 |
| Support Channels score20% weight, 0-5 on our rubric | 5.0 | 4.2 | 4.7 | 4.1 | 3.9 |
| Weighted Composite | 4.64 | 4.45 | 4.35 | 4.20 | 4.15 |
Score breakdown
Unlimited Data 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, with App 5.0/5 and Support 5.0/5, and prices unlimited plans from $5 using duration-based scaling, a structure that splits it from Holafly's flat per-day rate. HelloRoam's 186-country reach and 204+ carrier partnerships back the unlimited tier with local network routing rather than one shared global infrastructure layer.
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 scores highest overall on Coverage (4.9/5 on the rubric), but its unlimited tier is available in select markets only, not across the full 200-plus country network. Travelers wanting unlimited data outside those select markets default to Airalo's $4.50/GB fixed pricing instead, the highest fixed rate among the five providers compared here.
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
Holafly -- Best Unlimited Daily Rate
Holafly's Pricing score reaches 4.5/5 on our rubric and is the only provider in this comparison with unlimited daily data available across its entire 160-country footprint, from $2.99/day. Its fair-use policy reduces speeds sharply after a daily threshold and caps hotspot tethering at 1GB/day on select destinations.
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
Saily -- Best for Privacy
Saily scores 4.6/5 on our 2026 rubric on App, behind HelloRoam's 5.0/5, but sells fixed-GB plans only with no unlimited daily tier. Travelers comparing unlimited options rule out Saily by default and weigh Holafly's $2.99/day rate against HelloRoam's $5 duration-based pricing instead.
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
Nomad -- Best Budget Per-GB Rate
Nomad's pricing structure centers on fixed-GB plans from $3.00/GB with no unlimited tier documented across its 200-country footprint. Its Pricing score of 4.9/5 in our comparison matrix, the highest in this comparison, reflects per-GB value rather than unlimited-data value, a distinction worth weighing before choosing on price alone.
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
Unlimited Data eSIM questions, answered
Who leads the Unlimited Data eSIM comparison?
Who leads the Unlimited Data 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 providers offer true unlimited data?
Which eSIM providers offer true unlimited data?
HelloRoam offers unlimited plans from $5 using duration-based pricing. Holafly offers unlimited daily data across its full 160-country network, from $2.99/day. Airalo offers unlimited in select markets only, not its full 200-plus country footprint, while Saily and Nomad sell fixed-GB plans exclusively with no unlimited tier.
Does unlimited eSIM data mean no speed reduction at all?
Does unlimited eSIM data mean no speed reduction at all?
No. Holafly's unlimited plans reduce speed to a heavily reduced speed after a daily fair-use threshold that varies by destination, enough for messaging and maps but not sustained streaming. HelloRoam and Airalo's unlimited tiers carry similar fair-use structures, since no provider in this comparison sells data with zero throttling conditions.
Which unlimited eSIM plan has the cheapest starting price?
Which unlimited eSIM plan has the cheapest starting price?
Holafly prices unlimited data lowest at $2.99/day across its full 160-country network. HelloRoam's unlimited plans start at $5 but use duration-based scaling, which can undercut Holafly's per-day rate on trips longer than a few days, depending on destination and plan length.
Does unlimited eSIM data include unlimited hotspot tethering?
Does unlimited eSIM data include unlimited hotspot tethering?
Holafly caps hotspot tethering at 1GB/day on select destinations under its fair-use policy, even though the base data plan is unlimited. HelloRoam's unlimited tier does not list a separate hotspot cap in current terms, so travelers tethering a laptop should confirm destination-specific limits before relying on either plan.
Is unlimited eSIM data worth it compared to a fixed-GB plan?
Is unlimited eSIM data worth it compared to a fixed-GB plan?
Unlimited data costs less for travelers using 8-10GB or more per week, since Holafly's $2.99/day and HelloRoam's $5 duration-based pricing scale below fixed-GB totals at that volume. Below that threshold, fixed plans from Airalo, Saily, or Nomad, priced from $3.00-$4.50/GB, typically cost less.
Which provider has the most countries with unlimited data?
Which provider has the most countries with unlimited data?
Holafly covers the most countries with unlimited data at 160, since its entire network prices unlimited by default. HelloRoam covers 186 countries total but only some carry its unlimited tier at the duration-based $5 rate. Airalo's unlimited option covers a smaller subset of its 200-plus country network.
Why don't Saily and Nomad offer unlimited data plans?
Why don't Saily and Nomad offer unlimited data plans?
Neither provider lists an unlimited daily tier in its current plan structure. Saily, backed by Nord Security, focuses on fixed-GB plans bundled with VPN protection, scoring 4.6/5 on our rubric on App quality. Nomad focuses on low fixed per-GB pricing from $3.00/GB, scoring highest on Pricing (4.9/5 on our 2026 rubric) among the five providers compared.
Compare all 5 providers for Unlimited Data
Side-by-side scoring. Plans from $2.99/day to $4.50/GB. Verified June 2026.