As a business owner, it's crucial to keep your communications private. Whether you're sending sensitive client information or just trying to keep your personal and work lives separate, there are several ways to make sure your text messages stay out of the wrong hands.

VoIP apps let users send messages, make phone calls, and do other tasks through an internet connection. Most apps offer the essential services for free, and they can harmonize with your devices for consistent usage. Here are some of the top VoIP apps.