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Quire vs Slack: Complete Comparison (2026)

An in-depth comparison of Quire and Slack to help you choose the right tool for your business.

Last updated: November 2026

Quire logo

Quire

6.7/10

Quire is a project and task management app built around nested task lists, with Kanban, timeline, and reporting views for small and mid-sized teams.

Slack logo

Slack

7.1/10

Winner

Slack is a channel-based messaging platform from Salesforce, with Lists, canvases, huddles and Workflow Builder for team coordination and light task tracking.

Feature-by-Feature Comparison

Feature
Quire logo
Quire
Slack logo
Slack
Scores
Overall Rating6.7/107.1/10
Analytics6/103/10
Cost8/105/10
Customization6/107/10
Ease of Use8/107/10
Integration6/1010/10
Scalability5/109/10
Security7/109/10
Support6/106/10
Pricing
Free planYesYes
Cheapest paid plan$10/user/mo
Professional
€8/user/mo
Pro
Estimated cost for 10 usersFree
Free
Free
Free
Features
Gantt charts
Time tracking
App integrations
Client collaboration
Collaboration tools
Docs
File sharing
Kanban boards
Spreadsheet interface
Task lists
Task management
Team messaging
DashboardsNot listed
ReportingNot listed
SchedulingNot listed
Timeline viewNot listed
Workflow automationNot listed

Quire vs Slack cost by team size

Team sizeQuireSlack
1 userFreeFreeFreeFree
5 usersFreeFreeFreeFree
10 usersFreeFreeFreeFree
25 users$250/moProfessionalFreeFree
50 users$500/moProfessionalFreeFree

The plan that fits each team size, billed monthly, before add-ons and usage charges. Each cost opens that tool's pricing calculator for the team size.

Which One Should You Choose?

Quire logo
Why choose Quire

  • Higher Analytics score (6/10 vs 3/10)
  • Higher Cost score (8/10 vs 5/10)
  • Better fit for freelancers (7/10 vs 5/10)
  • Includes Gantt charts, which Slack lacks
  • Includes Time tracking, which Slack lacks

Slack logo
Why choose Slack

  • Higher Integration score (10/10 vs 6/10)
  • Higher Scalability score (9/10 vs 5/10)
  • Better fit for enterprise (9/10 vs 5/10)
  • Better fit for field teams (5/10 vs 2/10)

Pros & Cons

Quire logo
Quire

Pros

  • The unlimited nested task hierarchy is the feature reviewers praise most for breaking down complex work.
  • The free plan supports up to 10 members, and annual billing lowers paid plans to US$7–19 per member per month.
  • The same tasks can be viewed as lists, Kanban boards, timelines, tables, and calendars.
  • It is ISO/IEC 27001:2022 certified and hosted on AWS, with SSO/SAML on Enterprise.
  • It connects to AI tools through an MCP server and connectors for Claude and ChatGPT, alongside Slack and Zapier.

Cons

  • Reviewers say the mobile app lacks some features of the web version, and there is no offline mode.
  • Some users find its features simplistic compared with larger project management suites.
  • Each tier has hard caps on projects, custom fields, dashboards, and documents per project.
  • Quire does not offer refunds, and cancellation takes effect at the end of the billing period.
  • Reviewers suggest it may not be the best fit for larger teams.

Slack logo
Slack

Pros

  • The app ecosystem is very large, and tools such as ClickUp, Notion, HubSpot and Clockify can post updates into channels.
  • Slack Connect lets teams work in shared channels with up to 250 outside organizations on paid plans.
  • Compliance coverage is broad, including ISO 27001, SOC 2 Type II, FedRAMP Moderate and HIPAA configurability.
  • Lists add table and board layouts with assignees, due dates and subtasks, without leaving chat.
  • Workflow Builder automates routine requests and approvals without code.

Cons

  • There are no native Gantt charts, dependencies, time tracking or portfolio reporting, so Slack doesn't replace a dedicated PM tool.
  • Frequent notifications and busy channels can interrupt focus, a common complaint in reviews.
  • The free plan keeps only 90 days of message history and allows 10 apps.
  • Advanced AI features require Business+ or above, and per-user costs add up as teams grow.
  • Reviewers report that finding older messages through search can be difficult.

Not sold on either?

Frequently Asked Questions

Slack scores higher on our Project Management criteria: 7.1/10 against 6.7/10 for Quire. The largest gap is in Integration: 6/10 for Quire and 10/10 for Slack.

Yes, both Quire and Slack have a free plan.

Slack is the better fit for enterprise: we rate it 9/10 for them, against 5/10 for Quire.

Quire has Gantt charts and Time tracking, which Slack lacks.

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