Short version: ExpressVPN is the gold-standard pure VPN — fastest speeds in independent benchmarks, audited no-log policy, 3,000+ servers across 105 countries, and best-in-class streaming geo-unblocking. Casper's Cloak is a unified privacy and security app — full VPN plus DNS-level tracker filtering plus ML threat detection plus decoy traffic. Different categories. Honest comparison below.
Yes Partial / limited No
| Feature | Casper's Cloak | ExpressVPN |
|---|---|---|
| WireGuard VPN tunnel | ||
| Both support WireGuard. ExpressVPN's flagship is their proprietary Lightway protocol (built on wolfSSL), engineered for fast connect times and seamless network switching. WireGuard is also offered on most ExpressVPN apps. | ||
| Server count and country coverage | ||
| ExpressVPN runs 3,000+ servers across 105 countries — one of the broadest footprints in the industry. Casper operates a smaller, more curated fleet focused on the regions our subscribers actually use. | ||
| Independent no-log audit | ||
| Both products have been audited by independent third parties and publish the results. ExpressVPN has been audited multiple times (PwC, KPMG, Cure53) — a longer audit trail than most competitors. | ||
| Proprietary high-performance protocol (Lightway) | ||
| Lightway is ExpressVPN's in-house protocol — small codebase (audited by Cure53), fast handshakes, resilient to network changes. Casper uses standard WireGuard, which is fast and well-audited but not as aggressively optimized for mobile network switching. | ||
| DNS-level tracker filtering | ||
| Casper filters tracker and analytics domains at the DNS layer for every app on the device. ExpressVPN focuses on the VPN tunnel itself and does not include broad tracker filtering as a core feature. | ||
| ML-based zero-day phishing detection | ||
| Casper runs an ML classifier on every DNS query against ~40 features and catches unseen phishing domains in under 90 seconds median. ExpressVPN does not offer ML-based threat classification at the network layer. | ||
| Decoy traffic generation | ||
| Casper generates synthetic DNS queries to obscure your real browsing patterns from network observers. ExpressVPN does not generate cover traffic. | ||
| Streaming geo-unblocking (Netflix US/UK, BBC iPlayer, etc.) | ||
| ExpressVPN is widely considered best-in-class for streaming — they invest heavily in keeping IPs unblocked across major streaming services worldwide. Casper can unblock some regions but is not optimized for streaming workloads. | ||
| Speed in third-party benchmarks | ||
| ExpressVPN frequently ranks #1 or top-3 in independent speed tests (PCMag, TechRadar, AV-TEST) thanks to Lightway and a large server fleet. Casper performs well on its endpoints but isn't benchmarked at the same scale. | ||
| Split tunneling | ||
| Kill switch | ||
| Multi-platform coverage (iOS/Mac/Android/Windows/Linux/router) | ||
| ExpressVPN ships apps for iOS, Mac, Android, Windows, Linux, smart TVs, routers, and even consoles via Aircove. Casper currently ships native apps on iOS, Mac, and Android. | ||
| TrustedServer / RAM-only servers | ||
| ExpressVPN's TrustedServer runs every server on volatile RAM, wiping state on every reboot — audited and a defining feature. Casper's infrastructure uses similar hardening on critical paths but does not market this as a uniform guarantee. | ||
| Per-app privacy tooling (Privacy Auditor, Threat Manager) | ||
| ExpressVPN bundles a Privacy Auditor (shows which trackers were stopped) and a Threat Manager for blocking malicious sites and trackers. Casper provides a similar per-app activity view. Both are partial vs a dedicated audit dashboard. | ||
| Price (monthly retail) | ||
| ExpressVPN sits at the premium end of the VPN market — typically $12.95/month or ~$8/month on a 12-month plan. Casper is meaningfully cheaper month-to-month. | ||
Both are legitimate products. They aim at different problems.
ExpressVPN is, by most independent benchmarks, the fastest and most globally consistent pure VPN on the market. If that's what you need, it's hard to do better. Casper's Cloak is a different shape of product — built for people who want filtering, ML threat detection, and VPN encryption together in one app, with sensible defaults and no streaming-focused tuning. Some users run ExpressVPN on a home router for whole-home VPN, and Casper on mobile for filtering and threat detection. Both work fine in that split setup.
Common questions from people choosing between the two.
Free trial. Apps for iPhone, Mac, and Android. ML-based zero-day phishing detection — median <90s time-to-block.