Verified comparison

Zulip is 22% cheaper
than Flock

$35/mo (Self-hosted Basic) vs Flock PRO at $45/mo for 10 seats ($4.50/seat) — covering 67% of the 6 compared capabilities.

Save $120 / yearVisit Zulip ↗

Same job. Way less money.

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.

Flock basis

PRO plan at $45/mo ($4.50/seat × 10 seats), the cheapest paid plan.

Zulip basis

Self-hosted Basic: 3.5 USD/monthly; 9 extra seat(s) × 3.5 USD.

The short version

Flock costs $45/mo on the PRO plan at 10 seats, monthly billing. We found 1 assessed alternative that is cheaper in this scenario; 0 of them cover at least 75% of the 6 compared capabilities.

Capability comparison

Zulip covers 67% of the 6 capabilities compared against Flock. ✓ native · ◐ via integration · ✗ not found.

CapabilityZulipFlock
Channels & group messaging✓✓
Unlimited message history✗✓
Audio/video calls & screen sharing◐✓
Guest & external collaboration✓✓
App integrations✓✓
Workflow automation✗✓

What you give up

Capabilities Flock has that Zulip lacks.

  • Unlimited message history — Search and access message history without a retention limit.
    Missing from Zulip.
  • Workflow automation — Automate routine steps directly within chat.
    Missing from Zulip.

Price at your volume

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

UsageFlockZulip
3 seats$13.50/moPRO$10.50/mocheaperSelf-hosted Basic
10 seats$45/moPRO$35/mocheaperSelf-hosted Basic
25 seats$112.50/moPRO$87.50/mocheaperSelf-hosted Basic

Plans & pricing, side by side

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

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
Flock
StarterFree
PRO$4.50/seat/mo
EnterpriseContact sales

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Frequently asked

How much cheaper is Zulip than Flock?

22% cheaper in our scenario (10 seats, monthly billing): $35/mo on Self-hosted Basic vs $45/mo on PRO. That is $120 a year.

What does Zulip lack compared with Flock?

Unlimited message history, Workflow automation — 2 of the 6 compared capabilities.

When were these prices checked?

Flock: 2026-10-26; Zulip: 2026-10-28 — 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 Flock alternatives