Best eSIMs for Windows of 2025

Business Phone system that doesn't require heavy wiring or hardware. Zadarma offers VoIP and Cloud PBX, CRM, website widgets and integration with top CRM systems. Virtual phone numbers in 100 countries around the globe are available for as low as $2 per month.

Compatible with any smartphone, tablet, laptop, router, or GPS unit, our service allows you to enjoy coverage on expansive networks without being tied to any specific provider. Your privacy is our priority, as we only require an email for registration, ensuring that your personal data remains completely secure. To enhance your online privacy, our plans include a private IP address for added protection. We also accept cryptocurrency for payments, allowing for maximum confidentiality and anonymity. Our fully-developed AI-driven eSIM platform empowers businesses to offer eSIM solutions to their clientele seamlessly. Customers benefit from cost-effective, high-quality access to over 500 cellular networks across more than 150 countries, building on our 12 years of successful collaborations with leading MNOs and MVNOs globally. Keepgo caters to various broadband consumer devices, whether they are eSIM-enabled, pSIM-only, or locking devices through our mobile hotspot, and we uphold the highest standards of privacy protection while maintaining a system devoid of personal data. This commitment not only ensures user satisfaction but also guarantees peace of mind in every aspect of connectivity.

Ubigi eliminates the hassle of swapping physical SIM cards, incurring costly roaming fees, and hunting for public Wi-Fi to stay connected while traveling abroad. Instead, you can opt for a Ubigi eSIM plan for mobile data, allowing you to save money while on the go. Start by downloading our app to install the Ubigi eSIM for free and set up your account, making it convenient to refill your data as needed. An eSIM acts as a built-in SIM card in your mobile device, enabling connection to any carrier that supports eSIM services. Unlike traditional SIM cards, eSIMs do not require a physical card, as they are already embedded in your device and can be activated by downloading an "eSIM profile" from a chosen operator. If your device is eSIM-compatible, you can quickly install an eSIM profile from various carriers to purchase a data plan whenever required. Moreover, you'll have the flexibility to utilize multiple operators and subscribe to different data plans simultaneously, providing an adaptable solution for your connectivity needs while traveling. This innovative technology not only streamlines your mobile experience but also offers significant savings and convenience.