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Best Slack Alternatives in 2026

These are the 5 closest tools to Slack that we track, ordered by what they cost to start. Each entry says how its pricing differs from Slack's — based on the numbers we hold, not on who pays us. We do not publish a quality score, because we do not have one we can stand behind. The cheapest verified option is Microsoft Teams at $6/user/mo.

Why people leave Slack

  • Notification Fatigue: Can be highly distracting if not properly configured by the user.
  • Free Plan Limits: Access to message history is restricted on the free tier.
  • Enterprise Pricing: Per-user licensing costs can add up quickly for large organizations.

These are the drawbacks listed in our own Slack review — not complaints we invented for this page.

  1. 1
    Microsoft Teams

    Corporate collaboration.

    vs Slack: cheaper to start ($6/user/mo vs $7/user/mo).

  2. 2
    HEY Email

    Rethink your email.

    vs Slack: pricier to start ($8/user/mo vs $7/user/mo).

  3. 3
    Loom

    Async video messages.

    vs Slack: pricier to start ($12/user/mo vs $7/user/mo).

  4. 4
    Zoom

    Video calls.

    vs Slack: pricier to start ($14/user/mo vs $7/user/mo).

  5. 5
    Aircall

    Cloud call centre for sales and support.

    vs Slack: priced differently (Not verified vs $7/user/mo).