PostHog vs Heap: Which Tool Is Best?

Category: Analytics · Data-driven comparison · Updated 2026

PostHog

posthog.com

$0/mo

Freemium

Open-source product analytics suite with session recording, feature flags, A/B testing, and event pipelines.

Key strength: Open-source, self-hostable with full suite of tools

Heap

heap.io

$0/mo

Subscription

Autocapture analytics that retroactively tracks every user interaction without manual event instrumentation.

Key strength: Retroactive data — define events after they happen

Feature Comparison

Feature	PostHog	Heap
Product analytics	✓	✗
Session recording	✓	✗
Feature flags	✓	✗
A/B testing	✓	✗
Event pipelines	✓	✗
Autocapture tracking	✗	✓
Retroactive event analysis	✗	✓
Session replay	✗	✓
Journey maps	✗	✓
Revenue attribution	✗	✓

Pricing & Model

	PostHog	Heap
Starting Price	$0/mo	$0/mo
Monetization	Freemium	Subscription
Category	Analytics	Analytics
Target Audience	Developer-first product teams who want open-source observability	Product managers who need insights without engineering dependency

Which Should You Choose?

PostHog is best for developer-first product teams who want open-source observability, with its standout strength being open-source, self-hostable with full suite of tools.

Heap excels for product managers who need insights without engineering dependency, thanks to retroactive data — define events after they happen.

The right choice depends on your team size, budget, technical requirements, and whether you prioritize open-source, self-hostable with full suite of tools or retroactive data — define events after they happen. Many organizations use both tools in complementary workflows.

Need a Deeper Analysis of Your Competitive Landscape?

The comparison above is from our public database. The $29 Snapshot gives you a full competitive intelligence report: SWOT analysis, pricing deep-dive, messaging audit, and strategic recommendations — customized for your SaaS. Delivered in 48 hours.

Get Snapshot — $29 More Instant Comparisons →