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Head-to-head · Team Chat Apps

Flock vs Lark

  • Updated Sep 2026
  • Both researched from official sources
  • 3 checks side by side
Higher score Flock #7 in Team Chat Apps 7.6/10 Free plan · paid from $4.50/user/mo (annual) · 30-day trial Free plan✓ 2 of 2 features Visit Flock
Lark #8 in Team Chat Apps 7.0/10 Free plan Free plan✓ 1 of 2 features Visit Lark

Flock leads on 1 check, Lark on 0, and 2 are even. Who comes out ahead on the 3 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreFlock · 7.6/10
  • Free planboth
  • Most featuresFlock · 2 of 2

Flock scores higher on our rubric for team chat apps: 7.6 against 7.0 out of 10; our editors rank them #7 and #8.

Flock offers guest access; Lark doesn't publish it.

Flock is the better fit for teams wanting free chat plus work tools. Lark is the better fit for teams needing an all-in-one workspace.

  • Flock fits best

    Teams wanting free chat plus work tools

  • Lark fits best

    Teams needing an all-in-one workspace

Advertiser disclosure: iTechGuides is reader-supported. We may earn a commission when you click some links. It never changes our verdict. How we rank.

Side by side

Feature Flock 7.6/10 Visit ↗ Lark 7.0/10 Visit ↗
At a glance
Editor score 7.6 7.0
Ranking #7 in Team Chat Apps #8 in Team Chat Apps
Best for Teams wanting free chat plus work tools Teams needing an all-in-one workspace
Pricing model Free plan + paid Free plan + paid
Starting price $4.5/user/mo Not published
Free plan ✓ ✓
Free trial — —
Deployment Cloud, Mobile, Browser extension Cloud, Desktop, Mobile
Platforms Web, Windows, macOS, Linux, iOS, Android, Chrome extension Web, Windows, macOS, Linux, iOS, Android
Support Email, Live chat, Docs · 24/7 Email, Docs
Compliance SOC 2, SSO/SAML, 2FA SOC 2
Integrations 60+ integrations 7 integrations
Built for Small business, Mid-market, Enterprise Solo, Small business, Mid-market, Enterprise
Features Flock 2/2 · Lark 1/2
Channels ✓ ✓
Guest access ✓ (best) Not published
Specs
Message history Limited Limited
Integrations Google Drive, Google Calendar, GitHub, Trello, Dropbox, Twitter, Bitbucket, Asana, Jira, Zapier, Zoom, Microsoft Dynamics 365, Todoist, GitLab, Zendesk, Freshdesk, OneDrive, Mailchimp Exchange, Outlook, Google Calendar, Gmail, AnyCross, Lark Developer, Lark Base
Supported platforms web, Windows, macOS, Linux, iOS, Android, Chrome extension, API web, Windows, macOS, Linux, iOS, Android
Maximum members Not published Not published
Our review
Pros
  • Free Starter plan includes channels, calls, search, files, and task tools
  • Works across web, desktop, mobile, and Chrome extension
  • Integrates with Trello, Asana, GitHub, Drive, Jira, and more
  • Combines chat, meetings, documents, calendars, tasks, and approvals
  • Supports web, desktop, and mobile platforms, including Linux
  • Includes translation, automation, APIs, and app integrations
Cons
  • Starter limits searchable history to 10,000 messages
  • Starter includes 10 public channels and 5 GB per team
  • Guests are charged at the member rate after 90 days
  • Starter is limited to 20 users and 18 months of message history
  • Paid plans are billed annually at their listed per-user rates
  • Advanced security and compliance controls are limited to Enterprise
Our verdict

Flock combines direct messaging, group conversations, public and private channels, guest access, calling, file sharing, and searchable workspace content in one team communication application. It is aimed at organizations that want chat…

Read the review →

Lark brings team messaging, video meetings, email, calendars, documents, cloud storage, approvals, knowledge management, and no-code workflows into one workspace. Its chat features include group conversations, threaded discussions, chat…

Read the review →
  1. FlockTeam Chat Apps 7.6Free plan · paid from $4.50/user/mo (annual) · 30-day trial
  2. LarkTeam Chat Apps 7.0Free plan

Strengths and trade-offs

  • Flock — where it wins

    • Free Starter plan includes channels, calls, search, files, and task tools
    • Works across web, desktop, mobile, and Chrome extension
    • Integrates with Trello, Asana, GitHub, Drive, Jira, and more

    Where it doesn't

    • Starter limits searchable history to 10,000 messages
    • Starter includes 10 public channels and 5 GB per team
    • Guests are charged at the member rate after 90 days

  • Lark — where it wins

    • Combines chat, meetings, documents, calendars, tasks, and approvals
    • Supports web, desktop, and mobile platforms, including Linux
    • Includes translation, automation, APIs, and app integrations

    Where it doesn't

    • Starter is limited to 20 users and 18 months of message history
    • Paid plans are billed annually at their listed per-user rates
    • Advanced security and compliance controls are limited to Enterprise
  • Flock7.6/10 · Free plan · paid from $4.50/user/mo (annual) · 30-day trial

    A broad team chat workspace with a capable free Starter plan and useful work tools.

    Visit FlockFull verdict →
  • Lark7.0/10 · Free plan

    A broad collaboration workspace with valuable free access and paid tiers for scale.

    Visit LarkFull verdict →

More comparisons

All team chat apps comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Sep 2026

Last updated · How we research and update