Verified comparison

Flock is an alternative
to Zulip

$45/mo (PRO) vs Zulip Self-hosted Basic at $35/mo for 10 seats ($3.50/seat) — covering 44% of the 9 compared capabilities.

Not cheaper than Zulip in this scenarioVisit Flock ↗

Same job. Compare the fees.

Comparison scenario

Every cheaper-than claim is tied to a defined scenario — never a bare list price.

Scenario

10 seats, monthly billing · USD · prices as observed on official pricing pages.

Zulip basis

Self-hosted Basic plan at $35/mo ($3.50/seat × 10 seats), the cheapest paid plan.

Flock basis

PRO: 4.5 USD/monthly; 9 extra seat(s) × 4.5 USD.

The short version

Zulip costs $35/mo on the Self-hosted Basic plan at 10 seats, monthly billing. Flock costs $45/mo (PRO plan), which is not cheaper than Zulip Self-hosted Basic at $35/mo in this scenario.

Capability comparison

Flock covers 44% of the 9 capabilities compared against Zulip. ✓ native · ◐ via integration · ✗ not found.

CapabilityFlockZulip
App integrations✓✓
SAML single sign-on↑ Enterprise✓
Compliance exports & audit logs↑ Enterprise✓
Self-hosted deployment✗✓
Channels & group messaging✓✓
Threaded conversations✗✓
Audio/video calls & screen sharing✓◐
Guest & external collaboration✓✓
AI search & summaries✗◐

What you give up

Capabilities Zulip has that Flock lacks.

  • SAML single sign-on — Sign in through your company's SAML single sign-on.
    Missing from Flock.
  • Compliance exports & audit logs — Export message history and audit logs for compliance.
    Missing from Flock.
  • Self-hosted deployment — Run the chat platform on your own infrastructure.
    Missing from Flock.
  • Threaded conversations — Reply within a thread instead of the main channel feed.
    Missing from Flock.
  • AI search & summaries — Search and summarize conversations with an AI assistant.
    Missing from Flock.

Price at your volume

The same comparison recomputed at three sizes. Plan caps change who is cheapest.

UsageZulipFlock
3 seats$10.50/moSelf-hosted Basic$13.50/mocosts morePRO
10 seats$35/moSelf-hosted Basic$45/mocosts morePRO
25 seats$87.50/moSelf-hosted Basic$112.50/mocosts morePRO

Plans & pricing, side by side

Advertised prices in USD as observed on the official pricing pages — per-seat and transaction-fee plans are marked.

Flock
StarterFree
PRO$4.50/seat/mo
EnterpriseContact sales
Zulip
Zulip Cloud FreeFree
Zulip Cloud Standard$8/seat/mo
Zulip Cloud Plus$12/seat/mo
Self-hosted FreeFree
Self-hosted Basic$3.50/seat/mo
Self-hosted Business$8/seat/mo
Self-hosted EnterpriseContact sales

Frequently asked

What does Flock lack compared with Zulip?

SAML single sign-on, Compliance exports & audit logs, Self-hosted deployment, Threaded conversations, AI search & summaries — 5 of the 9 compared capabilities.

When were these prices checked?

Zulip: 2026-10-28; Flock: 2026-10-26 — on the official pricing pages.

Who switched

Anonymous: no account, no email, no IP stored. Reports are shown once a switch has 3 or more and never change ranking or order — alternatives are computed from prices and capabilities only.

Sources & freshness

All Zulip alternatives