ToolStack

ClickUp vs Slack

Side-by-side comparison · Updated 2026-03-30

Our VerdictClickUp wins overall

ClickUp outranks Slack on our weighted score — heavier on review volume, lighter on raw rating. If your team is squarely in startup territory, ClickUp is likely the stronger fit.

Choose ClickUp if…

Choose ClickUp if your team focuses on project management and task management and fits a startup, scaleup profile. Starting at $10/user/mo/user/mo with a free tier. All-in-one platform replacing multiple tools — docs, whiteboards, goals, time tracking, chat, and project management in a single workspace

Choose Slack if…

Choose Slack if your team focuses on team communication and cross functional collaboration and fits a startup, scaleup profile. Starting at $8.75/user/mo/user/mo with a free tier. De facto standard for workplace communication — most PMs will use Slack daily, and it appears constantly in job descriptions

ClickUp
by ClickUp
4.7
out of 5 · 11k+ G2 reviews
Visit ClickUp ↗
Slack
by Salesforce
4.5
out of 5 · 33k+ G2 reviews
Visit Slack ↗

Feature Comparison

FeatureClickUpSlack
Category
work_management
team_chat
G2 Score
4.7 / 5.0Better
4.5 / 5.0
G2 Reviews
11000
33000
Free Tier
Starting Price
$10/user/mo
$8.75/user/moBetter
Mobile App
AI Features
API Access
SSO / SAML
SOC 2
Learning Curve
moderate
easy
Platforms
web, mac, windows, linux, ios, android
web, mac, windows, linux, ios, android

Pros & Cons

ClickUp

Pros
✓ All-in-one platform replacing multiple tools — docs, whiteboards, goals, time tracking, chat, and project management in a single workspace
✓ 15+ views including List, Board, Gantt, Timeline, Workload, and Mind Maps — one of the most flexible view systems available
✓ Generous free tier with unlimited users, making it accessible for teams of any size to start without commitment
✓ ClickUp Brain AI is deeply integrated across the platform — summarizes tasks, generates updates, searches across all workspace content, and automates routine PM communications
Cons
✗ Feature overload can feel overwhelming for new users — the sheer number of options and settings creates a paradox of choice during onboarding
✗ Mobile app experience is significantly weaker than the desktop/web app, with slower performance and limited functionality
✗ Performance can lag on large workspaces with thousands of tasks, particularly when loading complex views like Gantt charts

Slack

Pros
✓ De facto standard for workplace communication — most PMs will use Slack daily, and it appears constantly in job descriptions
✓ 2,600+ app integrations make it the central nervous system of the product team's tool stack, pulling notifications from Jira, GitHub, Figma, and more into one place
✓ Channels, threads, and Slack Connect enable structured communication across teams, departments, and even external partners/vendors
✓ Workflow Builder allows no-code automations for standups, approvals, triage, and request intake — reducing context switching for PMs
Cons
✗ Information overload — high-volume workspaces create notification fatigue and make it easy to miss critical messages buried in busy channels
✗ Free tier's 90-day message history limit means teams lose access to older conversations, decisions, and context unless they upgrade
✗ Slack AI is a paid add-on on top of already per-seat pricing, making it expensive for larger organizations to adopt AI features

Frequently Asked Questions

It depends on your needs. ClickUp scores 4.7/5 on G2, while Slack scores 4.5/5. ClickUp is better for project_management and task_management, while Slack excels at team_communication and cross_functional_collaboration.
ClickUp starts at $10/user/mo per user/month with a free tier. Slack starts at $8.75/user/mo per user/month with a free tier.
ClickUp supports 1,000 integrations, while Slack supports 2,600.
Full ClickUp Review →Full Slack Review →
Data verified 2026-03-30. Some links may be affiliate links — see disclosure.