Comparison

Slack vs PostHog

Overview

Where work happens

Slack is a team messaging platform with channels, direct messages, and a rich app ecosystem used by teams of all sizes for real-time and async workplace communication.

PostHog

The only all-in-one platform built for engineers

posthog.com →

PostHog is an open-source product analytics suite with event tracking, feature flags, A/B testing, session replay, and error monitoring deployable as a single platform.

Features

—Channels and DMs
—Threads
—Huddles (lightweight audio/video)
—Slack Connect (external collaboration)
—Workflow Builder
—App integrations
—Slack AI
—Canvas docs

—Product analytics
—Session replay
—Feature flags
—A/B experiments
—Surveys
—Error tracking
—Data warehouse
—Self-hosting option

Pricing

Slack

freemiumFree plan availableSlack offers free trials for Pro or Business+ plans.

Plan	Price	Notes
Free	Free	Free forever with 90 days of message history.
Pro	$7.25/mo	Per user per month billed annually.
Pro	$8.75/mo	Per user per month billed monthly.
Business+	$15/mo	Per user per month billed annually.
Business+	$18/mo	Per user per month billed monthly.
Enterprise+	Contact sales	Contact sales for enterprise pricing.

View pricing page →

PostHog

freemiumFree plan available

Plan	Price	Notes
Free	Free	1M events/month free; generous limits per product.
Usage-based	Contact sales	Pay per event beyond free tier; e.g. $0.000045/event.
Teams	$450/mo	Add-on: SSO, SAML, advanced permissions.
Enterprise	Contact sales	Custom pricing, SLA, dedicated support.