Looking for a Slack alternative? Meet Flock

Get powerful messaging features, inbuilt productivity tools, and easy-to-use apps for 1/3rd the price of Slack

Compare Flock vs Slack

64% Lower Pricing
  Flock Slack  
64% cheaper plans (per user) $4.5 $6-12  
Unlimited unlicensed (free) users in a paid team
Applicable for teams with >50 licenses
Right Wrong (Every member must be paid for)
Free built-in productivity tools
Polls, Shared To-dos, Mailing list
Right Wrong (Third-party integrations required)
Free Google sign in (OAuth) Right Wrong  
Free multi-channel guests Right Wrong ($6 to $12 per multi-channel guest)
Powerful and Smart Channels
  Flock Slack  
Channel avatars Right Wrong  
Restricted channels - by designation, location, department, etc. Right Wrong  
Auto-join channels - automatically add users matching criteria to channels Right Wrong (new users won't be auto-added)
Multiple one-way announcement channels Right Wrong (only #general)
Control who can add/remove channel members (per channel) Right Wrong (workspace level only)
Disallow leaving a channel Right Wrong  
Disallow muting announcement channels Right Wrong  
Clone channel Right Wrong (new users won't be auto-added)
Change channels from private to public and vice versa Right Wrong (only public to private)
Built-in Free Shared To-Dos
  Flock Slack  
Built-in shared To-dos app Right Wrong  
GUI for managing to-do lists Right Wrong (only slash commands)
My To-dos Right Wrong  
Assignee change notifications Right Wrong  
Export to CSV Right Wrong (Premium feature in Beta)
Enterprise-ready for Large Organizations
  Floack Slack  
Supports 500k users in a single team Right Wrong (requires Enterprise grid @ $36 per user)
Custom Fields such as department, designation, manager, etc. Right Wrong (only for paid teams)
Order contacts by relevance (same location, department, etc.) Right Wrong  
Dedicated panel for Recent Contacts & Recent Channels Right Wrong  
Enhanced Admin Controls
  Floack Slack  
Auto-add members based on email domain Right Wrong  
Blacklist domains Right Wrong  
Restrict file sharing Right Wrong  
Restrict team creation Right Wrong  
Mandatory custom fields Right Wrong  
Parent-child relationships between custom fields Right Wrong  
Custom fields - user contributed values Right Wrong  
User groups are updated in real-time, based on users' custom field values Right Wrong  
Intuitive Mobile App
  Floack Slack  
Active chats view to switch between chats easily Right Wrong  
Dedicated one click tabs for active chats, channels, contacts Right Wrong  
Dedicated tab for apps Right Wrong  
Disable auto-download of images Right Wrong  
Optimized for size
  • iOS
  • Android
Right 38.3 MB 22 MB Wrong 73.6 MB 37 MB  
Better messaging features
  Floack Slack  
Recent, unread chats bubble up to the top Right Wrong  
Inline message replies Right Wrong  
Add people to a one-on-one chat Right Wrong  
Preview chat message Right Wrong  
Offline team directory search Right Wrong (Slack search doesn't work offline)
Recent contacts / channels Right Wrong  
Re-order pinned chats Right Wrong  
Group conversations can have unlimited members Right Wrong (Max 8 people)
Separate section for muted chats Right Wrong  
Customize chat view
Choose between cosy, comfortable, and classic for each section - pinned, open, and muted chats
Right Wrong  
Deep Integration with G-Suite and Office 365
Google Calendar Floack Slack  
Browse calendar inside Flock Right Wrong  
Accept/ Decline meetings within Flock Right Wrong  
Google Drive and OneDrive      
Search and browse drive within Flock Right Wrong (New window opens)
Grant read/ edit access without leaving Flock Right Wrong  
Connect multiple accounts Right Wrong  
Unlimited Free Guests
  Floack Slack  
Unlimited free multi-channel guests Right Wrong ($6 to $12 per guest)
Unlimited single-channel guests Right Wrong (only 5 guests per paid user)
Specify contacts guests can access Right Wrong  
Allow guests to access apps Right Wrong  
Turn off Guest Accounts in your team Right Wrong  
Specify who can invite guests (Team admin or all team members) Right Wrong  
Mailing lists for your teams
  Floack Slack  
Auto-create mailing lists for each channel Right Wrong  
Manage mailing lists Right Wrong  
Manage subscription/unsubscription Right Wrong  
Managing your GitHub Tasks
  Floack Slack  
Assign, close or merge pull requests Right Wrong  
Browse entire repo from within Flock Right Wrong  
Social Listening with Twitter
  Floack Slack  
Forward/ Like/ Retweet/ Reply from within Flock Right Wrong  
Follow a particular hashtag Right Wrong  
Receive DMs Right Wrong  
Powerful Developer Platform
  Floack Slack  
Add sidebar Right Wrong  
Add modal windows Right Wrong  
Add buttons to chat tab Right Wrong  

Pay 64% less for better features

1users
500+users
Your business can save $8/month with Flock!
Flock Icon $4.50/month $4.50/mo x 1 users
Slack Icon $12.50/month $12.5/mo x 1 users

Start Your 30-Day Free Trial of Flock

Get the app for Windows PC, Mac, Linux, Chrome
Flock apps are not just for power users

Flock apps are not just for power users

Using apps should be effortless. Flock apps not only provide slash commands for power users, but also a slick GUI interface for those of us who are command-line challenged. So, you can easily click your way through apps on Flock. Or stick to memorizing complex commands on Slack

Go beyond messaging with To-dos, Polls & more

Create and assign tasks, get notified of updates and more with Flock’s built-in Shared To-dos

Create and assign tasks, get notified of updates and more with Flock’s built-in Shared To-dos

Conduct live rich polls, with images and anonymous voting

Conduct live rich polls, with images and anonymous voting

Automated mailing lists for each channel so you can send emails when chat is not the best medium

Automated mailing lists for each channel so you can send emails when chat is not the best medium

Smart membership rules for channels

Need a channel for all software devs in the Boston office or one for everyone reporting to Mark? Flock’s Smart Channels allow you to set channel membership rules. Employees meeting the criteria will be auto-added to the channel. Slack teams will have to add channel members one by one

Already using Slack?

Here's how you can move your team to Flock

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  • Create a team on Flock.
  • Go to the Admin panel and click on Import Team.
  • Download the .zip file from the Slack export page and upload it to Flock.
  • Pick up your team conversations right where you left off!

Know more

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Start Your 30-Day Free Trial of Flock

Get the app for Windows PC, Mac, Linux, Chrome