What is the difference between Lark and Flock?

Lark is best for Teams wanting an all-in-one collaboration suite, while Flock is best for Teams wanting messaging with built-in productivity tools. Lark starts at Free and Flock starts at Free.

Is Lark or Flock cheaper?

Lark starts at Free with a free tier. Flock starts at Free with a free tier.

Is there a free alternative to Flock?

Both Lark and Flock offer free tiers.

Lark vs Flock (2026) — notanothertool

At a glance

	Lark	Flock
Best for	Teams wanting an all-in-one collaboration suite	Teams wanting messaging with built-in productivity tools
Starting price	Free	Free
Free tier	✓	✓
Open source	—	—
Free tier available	✓	✓
Open source	—	—
Calendar	✓	—
Docs	✓	—
Messenger	✓	—
Notes	—	✓
OKRs	✓	—
Polls	—	✓
To-Dos	—	✓
Video	✓	—
Video Calls	—	✓

Lark

Strengths

Includes Messenger as a core feature, purpose-built for team communication workflows
Includes Video as a core feature, purpose-built for team communication workflows
Free for up to 50 users — generous enough for most small teams to get real work done
Includes docs alongside the core feature set — fewer separate tools needed

Weaknesses

Free plan exists but key features are locked behind the paid upgrade
Feature-rich interface takes time to learn — not the simplest option for quick adoption
Notification overload is a real problem as the number of channels grows
Mobile experience lags behind the desktop version in features and polish

Try Lark → Full review

Flock

Strengths

Lightweight to-do lists keep daily tasks front and center without project-management overhead
Includes Polls as a core feature, purpose-built for team communication workflows
Free for up to 20 users — generous enough for most small teams to get real work done
Established product with 12+ years on the market and a mature ecosystem

Weaknesses

Free plan exists but key features are locked behind the paid upgrade
Fewer built-in features means you may need additional tools to cover gaps
Notification overload is a real problem as the number of channels grows
Limited team/admin features if your organization eventually scales up

Try Flock → Full review

The bottom line

Pricing: Both tools offer free tiers, so you can test each before committing. Lark's free plan: Free for up to 50 users. Flock's free plan: Free for up to 20 users.

Feature gaps: Lark offers Calendar, Docs and Messenger that Flock lacks. Flock brings Notes, Polls and To-Dos that Lark does not have.

Team fit: Lark is geared toward any size teams, while Flock is aimed at small teams teams. Pick the one that matches where your team is today and where it is headed — migrating tools later is always painful.

Where each tool shines: Lark's biggest strengths are: includes messenger as a core feature, purpose-built for team communication workflows. includes video as a core feature, purpose-built for team communication workflows. Flock's biggest strengths are: lightweight to-do lists keep daily tasks front and center without project-management overhead. includes polls as a core feature, purpose-built for team communication workflows.

Watch out for: With Lark, users commonly note that free plan exists but key features are locked behind the paid upgrade. With Flock, the main complaint is that free plan exists but key features are locked behind the paid upgrade.

Choose Lark if...

Your profile matches its sweet spot: teams wanting an all-in-one collaboration suite
You specifically need Calendar and Docs
You care about includes video as a core feature, purpose-built for team communication workflows
Your team size fits the any size profile Lark is designed for
The free tier works for you: free for up to 50 users

Choose Flock if...

Your profile matches its sweet spot: teams wanting messaging with built-in productivity tools
You specifically need Notes and Polls
You care about includes polls as a core feature, purpose-built for team communication workflows
Your team size fits the small teams profile Flock is designed for
The free tier works for you: free for up to 20 users