Flock is 49% cheaper
than Slack
$45/mo (PRO) vs Slack Pro at $87.50/mo for 10 seats ($8.75/seat) — covering 75% of the 8 compared capabilities.
Same job. Way less money.
Comparison scenario
Every cheaper-than claim is tied to a defined scenario — never a bare list price.
10 seats, monthly billing · USD · prices as observed on official pricing pages.
Pro plan at $87.50/mo ($8.75/seat × 10 seats), the cheapest paid plan.
PRO: 4.5 USD/monthly; 9 extra seat(s) × 4.5 USD.
Slack costs $87.50/mo on the Pro plan at 10 seats, monthly billing. We found 1 assessed alternative that is cheaper in this scenario; 1 of them covers at least 75% of the 8 compared capabilities.
Capability comparison
Flock covers 75% of the 8 capabilities compared against Slack. ✓ native · ◐ via integration · ✗ not found.
| Capability | Flock | Slack |
|---|---|---|
| Channels & group messaging | ✓ | ✓ |
| Threaded conversations | ✗ | ✓ |
| Unlimited message history | ✓ | ✓ |
| Audio/video calls & screen sharing | ✓ | ✓ |
| App integrations | ✓ | ✓ |
| Guest & external collaboration | ✓ | ✓ |
| AI search & summaries | ✗ | ✓ |
| Workflow automation | ✓ | ✓ |
What you give up
Capabilities Slack has that Flock lacks.
- 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.
| Usage | Slack | Flock |
|---|---|---|
| 3 seats | $26.25/moPro | $13.50/mocheaperPRO |
| 10 seats | $87.50/moPro | $45/mocheaperPRO |
| 25 seats | $218.75/moPro | $112.50/mocheaperPRO |
Plans & pricing, side by side
Advertised prices in USD as observed on the official pricing pages — per-seat and transaction-fee plans are marked.
| Starter | Free |
| PRO | $4.50/seat/mo |
| Enterprise | Contact sales |
| Free | Free |
| Pro | $8.75/seat/mo |
| Business+ | $18/seat/mo |
| Enterprise+ | Contact sales |
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Frequently asked
How much cheaper is Flock than Slack?
49% cheaper in our scenario (10 seats, monthly billing): $45/mo on PRO vs $87.50/mo on Pro. That is $510 a year.
What does Flock lack compared with Slack?
Threaded conversations, AI search & summaries — 2 of the 8 compared capabilities.
When were these prices checked?
Slack: 2026-10-26; 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
- https://slack.com/pricing (official_pricing, checked 2026-10-26)
- https://slack.com/pricing#main_focusable (official_pricing, checked 2026-10-26)
- Flock data last verified 2026-10-26