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15Five vs Slack: 2026 Comparison

15Five Slack
Overview A performance management platform with continuous feedback, OKRs, engagement surveys, and manager effectiveness tools. Business messaging platform for teams with channels, direct messages, file sharing, and extensive app integrations.
Pricing Subscription ($4-$14/user/month) Freemium ($0-17.50/mo)
Key Features
  • Weekly check-ins
  • OKRs
  • Engagement surveys
  • Performance reviews
  • 1-on-1s
  • High fives recognition
  • Career development
  • Analytics
  • Channels
  • Direct messages
  • Huddles
  • Clips
  • Apps
  • Workflows
  • Search
  • File sharing
Pros
  • Continuous feedback model
  • Easy to use
  • Good engagement tools
  • Manager enablement
  • Industry standard
  • Great integrations
  • Searchable
  • Workflows
Cons
  • Limited HRIS features
  • Can feel redundant with other tools
  • Basic reporting
  • Feature overlap with others
  • Expensive per seat
  • Can be distracting
  • Message history limits