🤝 It's a Tie — Both tools are very closely matched. Your best choice depends on your specific workflow.
Feature
Miro
Slack
Rating
⭐ 4.8/5
⭐ 4.8/5
Free Plan
Starting Price
$8/mo
$7.25/mo
Monthly Visits
49.0M
210.0M
API Support
Open Source
AI Capabilities
Mobile App
Desktop App
Browser Extension
Integrations
6 apps
7 apps
Team Size
ENTERPRISE
ENTERPRISE
Miro Pros & Cons
Pros
- The definitive digital whiteboard for remote design sprints and agile retrospectives
- Miro Assist clusters 100 brainstormed ideas into structured themes in 5 seconds
- Flawless multiplayer cursor tracking with zero lag on large team meetings
Cons
- Free plan limited to 3 active editable boards
- Massive boards with hundreds of high-res image uploads can demand GPU resources
Slack Pros & Cons
Pros
- The definitive gold standard for workplace communication in tech
- Vast ecosystem of 2,600+ app integrations and custom bots
- Slack Connect enables seamless shared channels with external clients and vendors
Cons
- Free tier deletes message history older than 90 days
- Can become noisy without disciplined notification settings
Miro Key Features
- Infinite Zoomable Collaborative Whiteboard Canvas
- Over 2,500+ Community & Official Workspace Templates
- Miro Assist AI for Sticky Note Clustering & Mind Mapping
- Interactive Voting, Timers, and Video Chat for Workshops
Slack Key Features
- Organized Topic Channels & Direct Messages
- Slack Huddles Live Audio & Screen Sharing
- Slack Canvas Collaborative In-Channel Docs
- No-Code Workflow Builder with 2,600+ App Integrations