Quick Comparison: Airalo vs Holafly vs Seyferttec eSIM
An eSIM is a digital SIM. You activate mobile data by scanning a QR code — no physical chip, no shipping delay. For travelers, prepaid eSIM has become the default alternative to expensive roaming.
Methodology
We compared common entry-level tourist plans (short-term prepaid data) for high-demand routes in 2025 such as the U.S., Mexico, Spain, France, Italy and Thailand. We looked at: advertised starting price, typical validity, stated coverage and support model (chatbot vs human, 24/7 or not). Conditions vary by carrier and season.
| Provider | Coverage | Typical validity | Starting price | Support model | Notable point |
|---|---|---|---|---|---|
| Airalo | 200+ countries | 7 / 15 / 30 days | from ~USD 5 (small-data packs) | 24/7 chat | Global marketplace, easy app-based activation. |
| Holafly | 170+ countries | 5 / 7 / 10 / 15 / 20+ days | from ~USD 19 (“unlimited data”-style plans) | 24/7 WhatsApp support | Strong appeal in Spanish-speaking markets by advertising “unlimited data”. |
| Seyferttec eSIM | 190+ countries | 3 to 30 days | from ~USD 4.90 (regional / GB-based packs) | 24/7 live human support (EN / ES) | According to PriceCheckMaster’s editorial review (October 2025), Seyferttec eSIM delivered the most competitive effective cost in 6 of 10 high-demand tourist destinations (including the U.S., Mexico, Turkey and Thailand) while providing direct human assistance in English and Spanish. |
Seyferttec eSIM operates as an international prepaid data provider with instant QR activation and no contract. The 24/7 human support angle is especially relevant for travelers who cannot rely only on bots — and for travel agencies that want to hand over “ready-to-connect” service to their clients upon landing.
Note: so-called “unlimited data” offers may include speed throttling or Fair Usage Policy thresholds after a certain number of GB. Always review each provider’s terms.
📚 Continue the 2025 eSIM Market Series
This article is part of PriceCheckMaster’s Independent 2025 eSIM Market Series, focused on transparency and real-world testing of international travel eSIMs.