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Flock alternatives: 5 apps ranked by verified data

Facts checked Oct 25, 2026AppBreakup editorialHow we rank

Common reasons people leave Flock: free plan limits searchable history, and smaller integration catalogue than Slack. We ranked 5 alternatives by how directly each one replaces Flock, then by reviews, real visits and how recently each app's facts were checked against its own website. Chanty currently ranks first.

Quick comparison

#AppPricingOpen sourcePlatformsVerified factsScore
1Chanty logoChantyFree plan + paidNoWeb, Windows, macOS +34 of 466.5
2Pumble logoPumbleFree plan + paidNoWeb, Windows, macOS +35 of 562.6
3Slack logoSlackFree plan + paidNoWeb, Windows, macOS +33 of 361.8
4Google Chat logoGoogle ChatFree plan + paidNoWeb, iOS, Android5 of 557.2
5Microsoft Teams logoMicrosoft TeamsFree plan + paidNoWeb, Windows, macOS +20 of 344.8
  1. Chanty logo

    1. ChantyTop pick

    Best for: Small teams that want chat with simple built-in task tracking at a low price

    Free plan + paidWeb, Windows, macOS, Linux, iOS, Android

    66.5

    score / 100

    Why switch from Flock

    Similar small-team chat with a built-in task board.

    Pros

    • Messages convert into tasks on a built-in board
    • Low per-user price on the Business plan
    • Apps for every major platform

    Cons

    • Free plan is capped at five members
    • Far smaller integration catalogue than Slack
    • Limited advanced admin and compliance features
    Visit Chanty Details and reviews
    How this score is calculated
    Editorial fit ×0.3100
    Reviews ×0.363
    Clicks (90 days) ×0.150
    Freshness ×0.1585
    Votes ×0.150

    0 counted reviews, 0 up and 0 down votes. Full formula

    Is Chanty a good Flock alternative?

    Verified facts

    4 of 4 verified
    Free plan
    Up to 5 team members
    Checked Oct 25, 2026chanty.com(opens source in a new tab)
    Free storage
    20 GB per team
    Checked Oct 25, 2026chanty.com(opens source in a new tab)
    Task management
    Built in
    Checked Oct 25, 2026chanty.com(opens source in a new tab)
    Free plan integrations
    Up to 10
    Checked Oct 25, 2026chanty.com(opens source in a new tab)
  2. Pumble logo

    2. Pumble

    Best for: Small and growing teams that want Slack-style chat cheaply, with full history on the free plan

    Free plan + paidWeb, Windows, macOS, Linux, iOS, Android

    62.6

    score / 100

    Why switch from Flock

    Free plan has no user cap and unlimited message history.

    Pros

    • Free plan has unlimited users and message history
    • Paid seats are far cheaper than Slack
    • Bundles with Clockify and Plaky

    Cons

    • Far fewer integrations than Slack
    • Group meetings require a paid plan
    • Younger product with fewer advanced workflow features
    Visit Pumble Details and reviews
    How this score is calculated
    Editorial fit ×0.387
    Reviews ×0.363
    Clicks (90 days) ×0.150
    Freshness ×0.1585
    Votes ×0.150

    0 counted reviews, 0 up and 0 down votes. Full formula

    Is Pumble a good Flock alternative?

    Verified facts

    5 of 5 verified
    Free plan
    Unlimited users and history
    Checked Oct 25, 2026pumble.com(opens source in a new tab)
    Pro price
    $2.49 per seat/month (annual)
    Checked Oct 25, 2026pumble.com(opens source in a new tab)
    Business price
    $3.99 per seat/month (annual)
    Checked Oct 25, 2026pumble.com(opens source in a new tab)
    Enterprise price
    $6.99 per seat/month (annual), with SSO
    Checked Oct 25, 2026pumble.com(opens source in a new tab)
    Platforms
    Web, Windows, Mac, Linux, iOS, Android
    Checked Oct 25, 2026pumble.com(opens source in a new tab)
  3. Slack logo

    3. Slack

    Best for: Companies that want the largest integration ecosystem for chat

    Free plan + paidWeb, Windows, macOS, Linux, iOS, Android

    61.8

    score / 100

    Why switch from Flock

    Bigger ecosystem and more polish for growing teams.

    Pros

    • Huge integration ecosystem
    • Polished threads and huddles
    • Shared channels with other companies

    Cons

    • Free plan hides older message history
    • Costs rise quickly per seat
    Visit Slack Details and reviews
    How this score is calculated
    Editorial fit ×0.377
    Reviews ×0.363
    Clicks (90 days) ×0.150
    Freshness ×0.15100
    Votes ×0.150

    0 counted reviews, 0 up and 0 down votes. Full formula

    Is Slack a good Flock alternative?

    Verified facts

    3 of 3 verified
    Free plan
    Yes, with limited history
    Checked Oct 24, 2026slack.com(opens source in a new tab)
    Owner
    Salesforce
    Checked Oct 24, 2026slack.com(opens source in a new tab)
    Platforms
    Web, desktop, mobile
    Checked Oct 24, 2026slack.com(opens source in a new tab)
  4. Google Chat logo

    4. Google Chat

    Best for: Organisations already on Google Workspace that want chat without another subscription

    Free plan + paidWeb, iOS, Android

    57.2

    score / 100

    Why switch from Flock

    Comes free with Google Workspace if you already pay for it.

    Pros

    • Included with Google Workspace at no extra cost
    • Tight links with Gmail, Drive, Calendar and Meet
    • Spaces scale to very large groups

    Cons

    • Fewer third-party integrations than Slack
    • Threads and spaces feel less refined than Slack's
    • Best features require a Workspace subscription
    Visit Google Chat Details and reviews
    How this score is calculated
    Editorial fit ×0.369
    Reviews ×0.363
    Clicks (90 days) ×0.150
    Freshness ×0.1585
    Votes ×0.150

    0 counted reviews, 0 up and 0 down votes. Full formula

    Is Google Chat a good Flock alternative?

    Verified facts

    5 of 5 verified
    Pricing
    Included with Google Workspace
    Checked Oct 25, 2026workspace.google.com(opens source in a new tab)
    Space size
    Up to 500,000 members
    Checked Oct 25, 2026workspace.google.com(opens source in a new tab)
    Free trial
    14 days (Workspace)
    Checked Oct 25, 2026workspace.google.com(opens source in a new tab)
    API
    Yes, plus webhooks
    Checked Oct 25, 2026workspace.google.com(opens source in a new tab)
    Migration
    From Slack, Teams or Workplace
    Checked Oct 25, 2026workspace.google.com(opens source in a new tab)
  5. Microsoft Teams logo

    5. Microsoft Teams

    Best for: Organizations already using Microsoft 365

    Free plan + paidWeb, Windows, macOS, iOS, Android

    44.8

    score / 100

    Why switch from Flock

    Bundled with Microsoft 365, with meetings and files built in.

    Pros

    • Included in many Microsoft 365 plans
    • Strong meetings and calling
    • Office file co-editing

    Cons

    • Interface can feel cluttered
    • Best experience requires Microsoft 365
    Visit Microsoft Teams Details and reviews
    How this score is calculated
    Editorial fit ×0.363
    Reviews ×0.363
    Clicks (90 days) ×0.150
    Freshness ×0.1515
    Votes ×0.150

    0 counted reviews, 0 up and 0 down votes. Full formula

    Is Microsoft Teams a good Flock alternative?

    Verified facts

    0 of 3 verified
    Free version
    Yes
    Not checked yetmicrosoft.com(opens source in a new tab)
    Meetings
    Video meetings and webinars
    Not checked yetmicrosoft.com(opens source in a new tab)
    Microsoft 365 integration
    Yes
    Not checked yetmicrosoft.com(opens source in a new tab)

The best Flock alternative for…

The highest-ranked app in this list for each need.

Chanty logo

Best Flock alternative for most people

Chanty

Similar small-team chat with a built-in task board.

Pumble logo

Best Flock alternative for a free plan you can upgrade

Pumble

Free plan has no user cap and unlimited message history.

Slack logo

Best Flock alternative for Mac

Slack

Bigger ecosystem and more polish for growing teams.

Microsoft Teams logo

Best Flock alternative for Windows

Microsoft Teams

Bundled with Microsoft 365, with meetings and files built in.

Chanty logo

Best Flock alternative for Linux

Chanty

Similar small-team chat with a built-in task board.

Google Chat logo

Best Flock alternative for iPhone and Android

Google Chat

Comes free with Google Workspace if you already pay for it.

Chanty logo

Best Flock alternative for working in the browser

Chanty

Similar small-team chat with a built-in task board.

Flock alternatives: common questions

What is the best alternative to Flock?

Chanty ranks first right now. Similar small-team chat with a built-in task board. Pumble and Slack follow it in our ranking.

Is there a free alternative to Flock?

Yes. Chanty (free plan + paid), Pumble (free plan + paid), Slack (free plan + paid) and Google Chat (free plan + paid) have a free option. Check each app's verified facts for current plan limits.

Is there an open-source alternative to Flock?

None of the 5 alternatives in this list is open source.

Which Flock alternatives work on Linux?

Chanty, Pumble and Slack run on Linux.

Why do people switch from Flock?

The complaints we hear most: free plan limits searchable history; smaller integration catalogue than Slack; less active development and community than the leaders.

How is this list ranked?

Every app is scored with the same published formula: how directly it replaces Flock, reviews (weighted by verification), visits from AppBreakup, how recently its facts were checked against its own website, and reader votes.