esimNB
Tap a star to rate
Who esimNB is
esimNB is an eSIM service operated by NEW ACCESS LLC, a United States limited liability company founded to provide affordable global connectivity without the markup of traditional carriers. The site markets itself as the lowest-cost option for data-focused travelers, emphasizing "wholesale rates, world-class connectivity" and automatic 5G switching in any country where it is available. The brand claims a 4.7 out of 5 rating from users and describes itself as "trusted by worldwide travelers" who repeatedly choose the service for reliability and price. Data is the sole focus: no voice calling or SMS messaging appears in the main product descriptions, and the site targets people who need reliable mobile internet for browsing, video calls, navigation, and social media rather than making traditional phone calls through the local carrier. You keep your existing phone number for WhatsApp and Telegram so messaging apps remain uninterrupted during your travels. esimNB positions itself as simpler than traditional SIM swapping and cheaper than roaming, with the added benefit of avoiding the hassle of finding a local carrier retail location when you land. The company does not mention support phone lines, only an email address (hello@esimnb.com) and references to a Help Center and Contact page, suggesting support happens primarily through email and self-service resources.
The plans and pricing structure
esimNB sells regional and country-specific eSIMs, each with a fixed data allowance and validity window. For North America, the site publishes six tiers: 1 GB for 7 days at $3.50 per gigabyte ($3.50 total), 3 GB for 15 days at $3.00 per gigabyte ($9 total), 5 GB for 30 days at $3.00 per gigabyte ($15 total), 10 GB for 30 days at $2.55 per gigabyte ($25.50 total), 20 GB for 30 days at $2.13 per gigabyte ($42.50 total, marked as the "Best Choice"), and 50 GB for 180 days at $1.94 per gigabyte ($97 total). This pricing structure shows clear savings for longer commitments and larger data allowances. Asia (covering 12 regional areas) offers 20 GB for 30 days at $66.50, or $3.33 per gigabyte, which is slightly more expensive than the North American equivalent. The site does not publish specific pricing or data allowances for Europe on the captured pages, only that an eSIM is available in multiple tiers. All plans include a money-back guarantee and explicitly state no contracts, no roaming fees, and no auto-renewal, rare transparency in the eSIM space. This straightforward approach stands out. The site states that full speed is "always available": no throttling, and data never expires as long as your eSIM is active, meaning your balance persists between trips indefinitely.
Coverage and network partnerships
esimNB covers over 140 countries and partners with 600+ mobile operators worldwide to deliver data. The site lists regional options (Europe, Asia, North America, South America, Africa, Oceania, Middle East & North Africa) and country-specific plans for destinations including the United States, United Kingdom, Turkey, Japan, China, France, Italy, Thailand, Canada, Australia, Spain, Germany, Mexico, Greece, Switzerland, Indonesia, Philippines, India, and many others. The "All Destinations" page names about eighty countries individually, from Albania through Vietnam, confirming that single-country plans exist for each. The site does not name specific carriers in any country, only that automatic network selection routes your eSIM to "the best local connection" available at each destination. If 5G is available, the eSIM automatically switches to it; otherwise, it connects to the fastest available 4G or 3G network. This automatic switching means you do not need to manually select a network after arrival. The technology is MVNO-based on local operators, but the captured pages do not disclose which carriers power coverage in specific regions, so you cannot verify that a preferred network is available before purchase. The 600+ operator partnership claim is large and implies broad coverage, but without specific carrier names it is impossible to verify.
Installation and operation
Installation is described as simple: download the esimNB app, select your destination and data plan, receive the eSIM instantly via QR code or direct installation, and activate it upon arrival. The site emphasizes that there are no physical SIM cards to swap, no carrier shops to visit, and setup takes minutes from your phone. This is faster than traditional SIM-based travel plans. Once active, usage tracking is available online so you can monitor remaining data in real time. Top-ups are available anytime if you exhaust your allowance before the plan's validity window ends. The site does not specify whether you can pause service mid-plan or if purchased data expires at the end of the validity period even if unused, which matters for people who change travel plans. A refund is guaranteed, though the terms (time window, which purchases qualify, whether data used is deducted from refunds) are not detailed on the captured pages. A Help Center and contact support are mentioned but not linked in the excerpts provided. Email support (hello@esimnb.com) is available but response times are not published. The site claims "fast 5G speed" as a headline feature, suggesting network speed is a competitive advantage, though no specific speed guarantees are quantified.
Questions the site leaves open
esimNB does not publish throttle speeds or whether the "always full speed available" claim means QoS guarantees or best-effort delivery. The claim is aspirational but unverified. No mention is made of SMS or voice calling, so the service appears data-only, but this is not explicitly stated for every region. The site says data "never expires" as long as the eSIM is active, but it does not clarify what "active" means: does it require at least one day of use per month, or does the balance persist indefinitely regardless of usage? This is critical for travelers who buy data for multiple future trips. Device compatibility is not listed; the site assumes you have an eSIM-compatible phone but provides no check tool. Support hours are not published, only an email address and a Help Center link. The refund policy's specifics are absent (does a refund apply only within seven days, or longer; is it a full refund or deducted for used data; which regions qualify?). For travelers needing SMS codes or voice calls (airline confirmations, hotel bookings, authentication, emergency contacts), esimNB's data-only approach is a significant limitation that the site does not acknowledge directly. The help pages are mentioned but not shown in the captured excerpts, so their comprehensiveness cannot be evaluated.