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Head-to-head · Team Chat Apps

Microsoft Teams vs Flock

  • Updated Oct 2026
  • Both researched from official sources
  • 3 checks side by side
Higher score Microsoft Teams #1 in Team Chat Apps 9.4/10 Free plan Free plan✓ 2 of 2 features Try Microsoft Teams
Flock #8 in Team Chat Apps 8.5/10 Free plan · 30-day trial Free planFree trial✓ 2 of 2 features Visit Flock

Microsoft Teams leads on 0 checks, Flock on 0, and 3 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 scoreMicrosoft Teams · 9.4/10
  • Free planboth
  • Free trialonly Flock

Microsoft Teams scores higher on our rubric for team chat apps: 9.4 against 8.5 out of 10; our editors rank them #1 and #8.

On message history, Microsoft Teams gives you Unlimited where Flock offers Limited.

Microsoft Teams is the better fit for organizations using Microsoft 365. Flock is the better fit for teams wanting free chat plus work tools.

  • Microsoft Teams fits best

    Organizations using Microsoft 365

  • Flock fits best

    Teams wanting free chat plus work tools

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Side by side

Feature Microsoft Teams 9.4/10 Visit ↗ Flock 8.5/10 Visit ↗
At a glance
Editor score 9.4 8.5
Ranking #1 in Team Chat Apps #8 in Team Chat Apps
Best for Organizations using Microsoft 365 Teams wanting free chat plus work tools
Pricing model Free plan + paid Free plan + paid
Starting price — —
Free plan ✓ ✓
Free trial — 30 days
Deployment Cloud, Desktop, Mobile Cloud, Mobile, Browser extension
Platforms Web, Windows, macOS, Linux, iOS, Android Web, Windows, macOS, Linux, iOS, Android, Chrome extension
Support Phone, Docs, Community Email, Live chat, Docs · 24/7
Compliance SOC 2, ISO 27001, HIPAA, 2FA SOC 2, SSO/SAML, 2FA
Integrations 250+ integrations 60+ integrations
Built for Solo, Small business, Mid-market, Enterprise Small business, Mid-market, Enterprise
Features Microsoft Teams 2/2 · Flock 2/2
Channels ✓ ✓
Guest access ✓ ✓
Specs
Message history Unlimited Limited
Integrations Microsoft 365, SharePoint, OneDrive, Outlook, Exchange, Planner, Forms, Power BI, OneNote, Power Apps, Power Automate, LinkedIn Google Drive, Google Calendar, GitHub, Trello, Dropbox, Twitter, Bitbucket, Asana, Jira, Zapier, Zoom, Microsoft Dynamics 365, Todoist, GitLab, Zendesk, Freshdesk, OneDrive, Mailchimp
Supported platforms web, Windows, macOS, Linux, iOS, Android web, Windows, macOS, Linux, iOS, Android, Chrome extension, API
Maximum members 25000 users Not checked yet
Our review
Pros
  • Free plan includes unlimited chat and group calling for 100 participants
  • Channels, meetings, recordings, workflows, guest access, and AI in one workspace
  • Works across web, desktop, mobile, Linux, and API environments
  • 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
Cons
  • Paid plans and features vary by country, subscription, and license
  • Teams Premium requires an eligible Teams license
  • The 25,000-member limit applies per team, not an unlimited workspace
  • 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
Our verdict

Microsoft Teams combines one-to-one and group chat, channels, audio and video calling, online meetings, webinars, file sharing, collaborative apps, and external collaboration. It is suited to organizations that want communication and…

Read the review →

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 →
  1. Microsoft TeamsTeam Chat Apps 9.4Free plan
  2. FlockTeam Chat Apps 8.5Free plan · 30-day trial

Strengths and trade-offs

  • Microsoft Teams — where it wins

    • Free plan includes unlimited chat and group calling for 100 participants
    • Channels, meetings, recordings, workflows, guest access, and AI in one workspace
    • Works across web, desktop, mobile, Linux, and API environments

    Where it doesn't

    • Paid plans and features vary by country, subscription, and license
    • Teams Premium requires an eligible Teams license
    • The 25,000-member limit applies per team, not an unlimited workspace

  • 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

More comparisons

All team chat apps comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update