Nextiva is a unified communications platform ($26-56/user/month) designed for company-wide phone systems. For sales teams who just need power dialing and CRM, DialSheet offers those features for $0/month.
Nextiva is designed to replace your entire company phone system. It includes desk phones, video meetings, team chat, and unified communications. Great for receptionist lines and company-wide deployments.
DialSheet is laser-focused on sales calling and CRM. If you don't need video conferencing or a full phone system—just power dialing for your sales team— you'll save $26-56/user/month with DialSheet.