- Software comparison -

Flock VS Zulip

Compare those two business instant messaging apps. Which one is the best for you: Flock or Zulip? Discover our detailed comparison with +50 criteria (pricing, features...).


Discover how Flock compare with Zulip

Enjoy a detailed comparison table about features and pricing. More than 50 criteria.


G2 Score4,4/54,2/5
Market SegmentGlobalOpen source, Tech
Website Linkhttps://www.flock.com/https://zulip.com/

Business model

Entry Level Price$4.5/user/month$6.67/user/month
Free Trial30 days
Free Version

Chat features

File Sharing
Voice messages
Gif And Emoji

Video call features

1-1 Video Call
Group video callsUp to 20
Screen Sharing
Audio Call
Breakout rooms
Participant Permissions
Subtitles & Translations

Document features

Online Document Editing
Document Viewer
Documents management


Roles Management
Graphic Personalization
Custom Domain Name
Contact Management
Workspace And User Activity

Other features

SearchMessages onlyMessages only
Multiple Workspaces
Branding Removal
User Profile
Storage5Gb to 20Gb/userFrom 5Gb
Task Management
"Do not disturb" mode


Training (On-Site, Online Live, Docs, Videos)
Help Ressources (Customer Service, Email, Faq, Forum, Knowledge Base, Chat, Phone)
Training Webinars
Dedicated CSM

Tech specifications

Mobile App
Web App
Desktop App
Integrations & API
SAML/SSO Authentication
End-to-end encryption
Two-factor authentication
Data & Users ImportFrom Slack, Hipchat or StrideData imports from Slack, Gitter, Mattermost, Rocket.Chat

Why choose Flock or Zulip?

Flock and Zulip are both popular communication tools, but they differ in their market segment and pricing. Flock is a global tool with an entry-level price of $4.5/user/month and offers a free trial for 30 days. On the other hand, Zulip is an open-source tool focused on the tech industry and has an entry-level price of $6.67/user/month, but does not offer a free trial.

In terms of features, both tools offer similar functionalities such as chat, file sharing, and voice messages. However, Flock has a few additional features such as polls, workspace and user activity, and 1-1 video calls. Zulip, on the other hand, offers features such as whiteboarding, recording, and participant permissions. Overall, both tools have their own strengths and weaknesses, and the choice between the two will depend on the specific needs of the user.

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What is Flock?

Flock is a team collaboration platform that offers messaging, video conferencing, and file sharing capabilities. It aims to streamline communication and increase productivity for teams of all sizes.

With features such as to-do lists, polls, and reminders, Flock aims to be an all-in-one solution for team communication and organization. It also offers integrations with popular tools such as Google Drive, Trello, and Asana.

What is Zulip?

Zulip is a team chat application designed for real-time messaging and collaboration. It features threaded conversations, powerful search, and integrations with popular services like GitHub, Trello, and Dropbox.

Zulip is known for its unique conversation threading system, which allows users to easily follow discussions and stay organized. It also offers features such as customizable notifications, file sharing, and emoji reactions.