The "best" VPN app often depends on your specific needs, but top contenders like ExpressVPN, NordVPN, and Surfshark consistently rank highly due to their strong security features, speed, and reliability. A high-quality VPN app should offer robust encryption, a strict no-logs privacy policy, a large network of fast servers worldwide, and user-friendly apps for all major platforms. It should also reliably bypass geo-restrictions on streaming sites like Netflix. For the best experience, look for a paid service that provides 24/7 customer support and a money-back guarantee, allowing you to test its performance risk-free.