Lark vs Slack: Which is Better in 2026?
Choosing between Lark and Slack comes down to understanding what each tool does best. This comparison breaks down the key differences so you can make an informed decision based on your specific needs, not marketing claims.
Short on time? Here's the quick answer
We've tested both tools. Here's who should pick what:
Lark
The all-in-one productivity superapp for chat, meetings, docs, and projects.
Best for you if:
- • All-in-one platform for chat, meetings, docs, and projects.
- • Streamlines communication and collaboration for teams.
Slack
Central hub for workplace communication and collaboration
Best for you if:
- • Channel-based messaging platform with 2,600+ integrations, huddles, Canvas docs, and workflow automation
- • Free plan covers basics (90-day history, 10 apps); paid plans start at $7.25/user/month with unlimited history
| At a Glance |  Lark |  Slack |
|---|---|---|
Starts at | FreeFree tier available | FreeFree tier available |
Best For | Communication | Communication |
Rating | 4.4/5 | 4.5/5 |
Free plan | Yes | Yes |
Choose Lark or Slack?
Choose Lark if
The all-in-one productivity superapp for chat, meetings, docs, and projects.
- All-in-one workspace
- Good collaboration
- Free tier generous
Choose Slack if
Central hub for workplace communication and collaboration
- Intuitive interface with low learning curve, most teams adopt it within days
- Deepest third-party integration ecosystem of any team chat tool (2,600+ apps)
- Slack Connect eliminates email chains with external partners via shared channels
- Budget matters (Free vs Free)
| Feature | Lark | Slack |
|---|---|---|
| Pricing Model | Freemium | Freemium |
| User Rating | ★4.4/5 269 reviews | ★4.5/5 61,908 reviews |
| Categories | CommunicationProductivity | CommunicationProductivity |
In-Depth Analysis
Lark
The all-in-one productivity superapp for chat, meetings, docs, and projects.
Strengths
- +All-in-one workspace
- +Good collaboration
- +Free tier generous
- +Docs and sheets
- +ByteDance quality
Weaknesses
- -Chinese company
- -Less adoption in West
- -Migration effort
- -App ecosystem limited
- -Privacy concerns
Key features
Value 85/100. Lark's pricing is quite generous, especially with its robust free Starter tier for up to 50 users, which is rare for such a comprehensive suite.
Watch out: Enterprise pricing is custom, not transparent
Slack
Central hub for workplace communication and collaboration
Strengths
- +Intuitive interface with low learning curve, most teams adopt it within days
- +Deepest third-party integration ecosystem of any team chat tool (2,600+ apps)
- +Slack Connect eliminates email chains with external partners via shared channels
- +Powerful search across all messages, files, and connected apps from one bar
- +Workflow Builder lets non-technical users automate routine processes
Weaknesses
- -Free plan limits message history and allows only a limited number of app integrations
- -Notification overload in large workspaces, channels can become noisy without discipline
- -Pricing adds up quickly for large teams
- -No built-in project management, still requires separate tools like Asana or Jira
- -Slack AI features require higher-tier plans, not available on all plans
Key features
Value 7/100. Slack is the default team messaging tool, and its pricing reflects that dominance.
Watch out: 90-day message history on Free: after 90 days, old messages become invisible (not deleted, they return if you upgrade). This is the most common upgrade trigger and feels coercive for teams that relied on older unlimited history
Pricing: Lark vs Slack
| Plan | Lark | Slack |
|---|---|---|
| Tier 1 | Free Starter | Free Free |
| Tier 2 | $12 /user/month Pro | $7.25 /user/month (annual) Pro |
| Tier 3 | custom Enterprise | $15 /user/month (annual) Business+ |
| Tier 4 | N/A | custom Enterprise+ |
Pricing verified from each vendor's public pricing page. Compare in detail on Lark pricing and Slack pricing.
Who Should Use What?
On a budget?
Both are freemium. Compare plans on their websites.
Go with: Lark
Want the highest-rated option?
Lark: 4.4/5 (269 reviews). Slack: 4.5/5 (61,908 reviews).
Go with: Slack
Value user reviews?
Lark: 269 reviews (4.4/5). Slack: 61,908 reviews (4.5/5).
Go with: Slack
3 Questions to Help You Decide
What's your budget?
Both are freemium. Pricing won't help you decide here.
What's your use case?
Both are communication tools. Compare their specific features to decide.
How important are ratings?
Slack is rated higher: 4.5/5 vs 4.4/5.
Key Takeaways
Slack
- Higher user rating: 4.5/5 vs 4.4/5
- Larger review base (61,908 reviews)
- Free tier available
- Our pick for this comparison
Lark
- Choose if you want the all-in-one productivity superapp for chat, meetings, docs, and projects
The Bottom Line
Slack is our pick.
Frequently Asked Questions
Is Lark or Slack better?
Slack is rated in our evaluation. Both are freemium.
What are Lark and Slack used for?
Lark: The all-in-one productivity superapp for chat, meetings, docs, and projects.. Slack: Central hub for workplace communication and collaboration.
What does Lark cost vs Slack?
Lark is freemium (free tier + paid plans). Slack is freemium (free tier + paid plans). Visit their websites for detailed pricing.