Slack Pricing Comparison: Free vs. Pro vs. Business+ The Free Plan allows basic team communication but limits message history. The Pro Plan unlocks unlimited messages and app integrations, while Business+ adds advanced security and 24/7 support. Large enterprises can opt for Enterprise Grid for enhanced compliance and scalability. For more details Address: S.S.Arcade, 2nd Floor... https://www.troopmessenger.com/blogs/slack-pricing