Comparisons
How iot.cards stacks up against other IoT SIM vendors and against the single-carrier model. Each page states when each option wins for a given use case, without positioning iot.cards as the automatic winner.
Start with the one closest to your decision
Best IoT SIM for Spain: 2026 comparison
Five vendors with real presence in Spain (iot.cards, 1NCE, ThingsMobile, Simbase, Onomondo). Does not declare a universal winner — declares when each one fits by vertical, legal requirements, and invoicing model.
iot.cards vs single-carrier
Why a multi-carrier MVNO with automatic switching beats the direct Telefónica/Vodafone/Orange contract for IoT fleets — redundant coverage, one bill, one portal.
1NCE vs iot.cards
1NCE bundles 500 MB for €10 over 10 years; iot.cards runs on monthly fee with no lock-in. When each model fits — predictable vs growing consumption, vertical, local support.
ThingsMobile vs iot.cards
ThingsMobile sells SIMs with global PAYG pricing, no monthly fee. iot.cards runs monthly fees with real multi-carrier in Spain. Comparison by invoicing model, coverage, support, typical verticals.
Simbase vs iot.cards
Simbase is Estonia, eSIM-only, Stripe-native. iot.cards is Spain, physical SIM + eSIM, local invoicing. Comparison for European integrators picking connectivity for 2026.
Onomondo vs iot.cards
Onomondo is Copenhagen, cloud-native, operator-agnostic. iot.cards is Seville, multi-carrier with private APN and static IP available. When each one fits pan-European vs Spain-anchored deployments.
Telefónica Kite vs iot.cards
Telefónica Kite Platform is the historic Spanish carrier's IoT offering. iot.cards is a multi-carrier MVNO built on the Telefónica + Wireless Logic + melita.io stack. When each one fits.
Olivia Wireless vs iot.cards
Olivia Wireless (Málaga) and iot.cards (Seville) are the two Spanish IoT MVNOs with B2B proposition. Comparison by years operating, technical depth, support, verticals served.
Hologram vs iot.cards
Hologram (Chicago) sells a flat global rate in USD with self-service onboarding; iot.cards bills in EUR with named Spanish networks and engineer-led support in Spanish. When each one fits.
EMnify vs iot.cards
EMnify (Berlin) stands out for cloud-native integration (VPC, IPsec, SGP.32); iot.cards publishes its rates and names its networks. An honest comparison to decide by project.
Soracom vs iot.cards
Soracom (Tokyo, KDDI) offers the sector's richest platform-services catalog; iot.cards offers one predictable published rate and local proximity. When each strength matters.