Slack offers Free Trial, but Voxloud does not.
Slack is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
Voxloud is designed for Individuals, Medium Business and Small Business.
Pricing for Slack Starts at $2.67/Month whereas for Voxloud Starts at $19.75/User/Month when Billed Yearly.
Some top alternatives to Slack includes Microsoft Teams, Glip, Google Chat, ChatWork, Dialog, Office Chat, imBee, Takle, SPACE Channel and Teamwork Chat.
Some top alternatives to Voxloud includes Dialpad Talk, VoIPstudio, Vonage Business, TR Cloud VoIP, MightyCall, Ringover, Continent Telecom IP PBX, iPlum, VoiceLine, OpenPhone and MyOperator.
