Best eSIM guide · 2026
Top eSIM Plans for Unlimited eSIM for USA in 2026
5 providers scored across coverage, pricing, speed, app quality, and support. All data verified June 2026.
The comparison
eSIM providers compared for Unlimited eSIM for USA
All 5 providers ranked by weighted composite score. Color-coded by value.
| Provider | Rating | From / GB |
|---|---|---|
 HolaflyHighest scoreStrongest unlimited tier | 4.3 / 5 | $2.99/day |
 AiraloTop composite rating | 4.5 / 5 | $4.50/GB |
 HelloRoam | 4.3 / 5 | from $3.50/GB |
 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 Unlimited eSIM for USA
Every measurable dimension compared side by side.
| Feature | Holafly | Airalo | HelloRoam | Saily | Nomad |
|---|---|---|---|---|---|
| Overall Rating | 4.3/5 | 4.5/5 | 4.3/5 | 4.2/5 | 4.2/5 |
| Countries | 178+ | 200+ | 186+ | 150+ | 112+ |
| Starting Price | $2.99/day | $4.50/GB | from $3.50/GB | $3.99/GB | $3.00/GB |
| Per-GB Floor | $2.99/day | $4.50 | $3.50 | $3.99 | $3.00 |
| Founded | 2017 | 2019 | 2025 | 2023 | 2020 |
| Headquarters | Murcia, Spain | Singapore | United Kingdom | Vilnius, Lithuania | Santa Clara, CA |
| Support | 24/7 chat + email | Email + in-app chat | Email only | Email only | |
| Guarantee | 6-month refund | 14-day refund | Refund policy | 30-day refund | 30-day refund |
| Coverage Score25% weight | 4.3/5 | 4.9/5 | 4.5/5 | 4.0/5 | 3.9/5 |
| Pricing Score25% weight | 4.5/5 | 4.1/5 | 4.4/5 | 4.0/5 | 4.8/5 |
| Speed Score20% weight | 4.2/5 | 4.4/5 | 4.3/5 | 4.4/5 | 4.3/5 |
| App Score15% weight | 4.1/5 | 4.7/5 | 4.2/5 | 4.5/5 | 3.9/5 |
| Support Score15% weight | 4.7/5 | 4.2/5 | 4.1/5 | 4.1/5 | 3.9/5 |
| Weighted Composite | 4.35/5 | 4.45/5 | 4.30/5 | 4.20/5 | 4.15/5 |
Score breakdown
Provider scores for Unlimited eSIM for USA
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.
Holafly -- Best Unlimited Data
Holafly is the only one of the five providers with a true unlimited daily plan and no fixed data cap, pricing a 7-day US plan at roughly $35 against the USA's own tracked $2.86/day rate on the 30-day tier. Its published terms cap hotspot tethering at 1 GB per day on select destinations and reduce speeds after the 2GB daily threshold.
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
Airalo -- Best Overall Coverage
Airalo's own cons list flags its unlimited tier as available in select markets only, and this comparison's data does not confirm the USA among them, leaving its $4.50/GB fixed rate as the tracked option. Its 4.9/5 Coverage score holds regardless of the unlimited gap, and its US network notes list T-Mobile, the same carrier enrichment credits with the country's widest 5G footprint.
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)
HelloRoam -- Best Coverage + Value
HelloRoam's unlimited plans start from $5 for short stays and scale by duration, a different structure from the USA's own tracked 30-day tier at $85.85. Its 204+ carrier partnerships matter given this comparison tracks only AT&T and Verizon for the USA, leaving T-Mobile's wider 5G footprint, per enrichment, outside the tracked routing pair.
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
Saily -- Best for Privacy
Saily's own cons list confirms fixed data plans only, with no unlimited daily tier at any price, the same gap tracked across every destination in this expansion. Its bundled NordVPN connection carries less weight here since enrichment data lists the USA's VPN status as unrestricted already.
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 published plan data lists no unlimited daily tier, only fixed-data pricing from $3.00/GB, the lowest fixed floor among the four outside providers though still without a data-cap feature for the USA. Its 24-48 hour email-only support window is the slowest of the five, a trade-off given the coverage gaps testing found in US national parks and rural stretches.
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 Unlimited eSIM for USA
Which eSIM providers offer unlimited data for the USA?
Which eSIM providers offer unlimited data for the USA?
Of the five providers in this comparison, only Holafly sells a true unlimited daily plan with no data cap, pricing a 7-day US plan at roughly $35. Saily's data confirms no unlimited tier at all, and Nomad's published pricing lists fixed-data plans only. Airalo's unlimited option exists in select markets, though this comparison's data does not confirm the USA among them.
Which US carrier does my eSIM connect to?
Which US carrier does my eSIM connect to?
This comparison tracks AT&T and Verizon for the USA, though providers may route through other carriers too; Airalo's own network notes list T-Mobile specifically. Enrichment data credits T-Mobile with the widest 5G footprint of the three major carriers, AT&T with the strongest rural reach, and Verizon with strong performance in cities.
Will my unlimited USA eSIM work in national parks?
Will my unlimited USA eSIM work in national parks?
Not reliably. Coverage testing for this comparison found significant dead zones in national parks and rural stretches of Montana, Wyoming, and Nevada, regardless of carrier or provider. Downloading offline maps before a national park visit is worth doing no matter which of the five eSIMs you choose.
Compare all 5 providers for Unlimited eSIM for USA
Side-by-side scoring. Plans from $2.99/day to $4.50/GB. Verified June 2026.