SaaS & B2B Tools

Slack vs Notion

Data-driven scores across 7 dimensions, plus pros, cons, and quick links—optimised for mobile reading.

Edge
Slack

Slack

Where work happens

4.5/585,000 reviewsMid-range
Dimension wins52
Notion

Notion

All-in-one workspace

4.7/545,000 reviewsMid-range
Dimension wins25

Quick verdict

On our weighted model, Slack leads more scoring dimensions (5 vs 2). That usually reflects stronger totals in the category-specific criteria—not a medical or legal recommendation. Use full profiles and official lab disclosures before you buy.

Score breakdown

Features & Functionality

Breadth and depth of features, customization options

+ Notion
Slack90
Notion95

Ease of Use

User interface, learning curve, onboarding experience

+ Slack
Slack92
Notion78

Integrations

Third-party app connections, API quality, ecosystem

+ Slack
Slack98
Notion82

Pricing & Value

Cost effectiveness, pricing transparency, ROI

+ Notion
Slack70
Notion88

Customer Support

Response time, documentation, community resources

+ Slack
Slack78
Notion75

Scalability

Growth capacity, enterprise features, performance at scale

+ Slack
Slack88
Notion80

Security & Compliance

Data protection, certifications (SOC2, GDPR), uptime

+ Slack
Slack88
Notion82

Slack

Pros

  • Best-in-class integration ecosystem (2,600+ apps)
  • Excellent search across messages and files
  • Great mobile and desktop apps
  • Huddles for quick audio/video calls
  • Workflow Builder for no-code automation

Cons

  • Can become overwhelming and noisy
  • Expensive at scale ($15/user/mo for Business+)
  • 90-day message history limit on free tier
  • Contributing to 'always-on' work culture

Notion

Pros

  • Incredibly flexible block-based editor
  • Beautiful, minimal interface design
  • Generous free tier for individuals
  • All-in-one solution reduces tool sprawl
  • Active community with 10,000+ templates

Cons

  • Steep learning curve for advanced features
  • Performance degrades with large databases (10K+ rows)
  • Mobile app historically limited (improving)
  • Limited offline mode until 2023

Compare next

All SaaS & B2B Tools comparisons