Choose Flock if you need
- SOC 2. We haven't found it on Zulip's website.
At a glance
- Both have a free plan.
- Flock offers a free trial (30 days). We haven't confirmed one for Zulip.
- Flock's lowest paid plan is Pro at $4.50 per user per month, billed annually, as of October 23, 2026.
- Zulip's lowest paid plan is Standard at $6.67 per user per month, billed annually, or $8 billed monthly, as of October 20, 2026.
- Both are available on macOS, Windows, Linux, iOS, Android and API.
- Only Zulip lists Web.
- Both work with GitHub, Jira, Zapier, GitLab and Zoom.
- Both list SSO.
- Only Flock lists SOC 2.
- Only Zulip lists GDPR and HIPAA.
- Both have a public API.
- Zulip can be self-hosted. We haven't confirmed that for Flock.
From each tool's own website, checked on the dates below, and from published reviews.
Which to choose
From the facts checked for both tools, not from opinion. A fact we haven't confirmed for one of them is never counted.
Choose Zulip if you need
- Web. We haven't found it on Flock's website.
- GDPR or HIPAA. We haven't found them on Flock's website.
Flock
Nobody has reviewed Flock yet. Its rating shows once it has 3 reviews.
Review Flock
Zulip
Nobody has reviewed Zulip yet. Its rating shows once it has 3 reviews.
Review ZulipThe facts
- What it does
- FlockOne shared space for all your cross-functional work
- ZulipOrganized chat for distributed teams
- Free plan
- FlockYes
- ZulipYes
- Pricing
- FlockPer user, monthly
- ZulipPer user, monthly
- Paid plans from
- FlockPro: $4.50 per user per month, billed annually
What they share
From the platforms and integrations each website lists.
Platforms
Both
- macOS
- Windows
- Linux
- iOS
- Android
- API
Only FlockNothing else listed
Only Zulip
- Web
Integrations
Both
- GitHub
- Jira
People who switched
Reviewers who say they used one of these before the other.
No reviewer has said they moved between Flock and Zulip yet.
Used either of them?
Your review makes this comparison better for the next person. Review Flock or review Zulip.