Airalo is the safe all-rounder. Saily is the privacy-first choice. Both are legitimate travel eSIM providers, but they take meaningfully different approaches. This guide breaks down exactly where each one wins — and where it doesn't.
Quick comparison
| Airalo | Saily | |
|---|---|---|
| Countries | 200+ | 150+ |
| Data type | Capped (1–20 GB) | Capped (1–20 GB) |
| Unlimited option | Yes (3 GB/day cap) | Yes (3 GB/day cap) |
| Cheapest plan | $4.50 / 1 GB | $3.49 / 1 GB |
| Hotspot | ✓ All plans | ✓ All plans |
| Privacy features | — | Ad & tracker blocking |
| App quality | Excellent | Good |
| Best for | Most travelers, first-time eSIM users | Privacy-conscious travelers, budget light users |
Where Airalo wins
Airalo is the world's largest eSIM marketplace with the broadest destination coverage (200+ countries). They partner with tier-1 local carriers in each country, which means reliable connectivity. The app is polished with real-time data tracking. For first-time eSIM users or anyone who wants minimal risk, Airalo is the safest starting point.
Read full Airalo review → Get Airalo →
Where Saily wins
Built by NordVPN's team, Saily is the only eSIM provider with network-level ad blocking and web protection included in every plan. This is a genuine differentiator, not marketing fluff — it blocks trackers and ads across all apps, not just the browser. Saily also has the cheapest entry plan at $3.49 for 1 GB.
Read full Saily review → Get Saily →
Where each falls short
Airalo: Airalo isn't always the cheapest option per GB, especially at lower data tiers. Their "unlimited" plans come with a 3 GB/day speed cap. And while the breadth of coverage is unmatched, there's no built-in privacy or VPN features.
Saily: Saily covers fewer countries (150+) compared to Airalo's 200+. As a newer entrant, there are fewer user reviews and less of a track record. Plans have a 30-day activation window, so you can't buy too far in advance. No true unlimited option for heavy users.
The verdict: Airalo or Saily?
Choose Airalo if you value most travelers, first-time esim users. Choose Saily if you value privacy-conscious travelers, budget light users. Neither is universally better — the right choice depends entirely on your travel style and data needs.
For a more comprehensive overview of all four providers, see our Best eSIM for Travel 2026 comparison.
See real pricing for all four providers side by side — pick your country and compare.
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