ToolStack

Smartsheet vs Slack

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

Our VerdictSlack wins overall

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

Choose Smartsheet if…

Choose Smartsheet if your team focuses on project tracking and resource management and fits a scaleup, enterprise profile. Starting at $9/user/mo/user/mo with a free tier. Spreadsheet-familiar interface makes adoption easy for teams transitioning from Excel — minimal training needed for basic use

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

Smartsheet
by Smartsheet
4.4
out of 5 · 21k+ G2 reviews
Visit Smartsheet ↗
Slack
by Salesforce
4.5
out of 5 · 33k+ G2 reviews
Visit Slack ↗

Feature Comparison

FeatureSmartsheetSlack
Category
work_management
team_chat
G2 Score
4.4 / 5.0
4.5 / 5.0Better
G2 Reviews
21000
33000
Free Tier
Starting Price
$9/user/mo
$8.75/user/moBetter
Mobile App
AI Features
API Access
SSO / SAML
SOC 2
Learning Curve
moderate
easy
Platforms
web, mac, windows, ios, android
web, mac, windows, linux, ios, android

Pros & Cons

Smartsheet

Pros
✓ Spreadsheet-familiar interface makes adoption easy for teams transitioning from Excel — minimal training needed for basic use
✓ Extremely powerful Gantt chart and dependency tracking capabilities, ideal for traditional project management and waterfall methodologies
✓ Robust automation engine with conditional logic, approval workflows, and automated notifications that scale across the organization
✓ Strong portfolio-level dashboards and reporting allow PMOs to aggregate data across dozens or hundreds of projects
Cons
✗ Not designed for agile/Scrum teams — lacks native sprint planning, backlog management, and velocity tracking
✗ Pricing can escalate quickly at scale since every collaborator who edits needs a licensed seat
✗ Sheet-based architecture creates data silos — cross-sheet references and formulas become complex and brittle at scale

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. Smartsheet scores 4.4/5 on G2, while Slack scores 4.5/5. Smartsheet is better for project_tracking and resource_management, while Slack excels at team_communication and cross_functional_collaboration.
Smartsheet starts at $9/user/mo per user/month with a free tier. Slack starts at $8.75/user/mo per user/month with a free tier.
Smartsheet supports 150 integrations, while Slack supports 2,600.
Full Smartsheet Review →Full Slack Review →
Data verified 2026-03-30. Some links may be affiliate links — see disclosure.