PostHog vs Amplitude
An honest, mathematical pricing and capability comparison for developers and engineering leaders.
What this comparison covers
Event collection for one project. Paid volume calculators that could not be independently extracted are not guessed. Those results become unavailable above the verified allowance. Session replay, feature flags, warehouse sync and AI features are excluded.
Evaluating 2 products from 3 published in this category. USD monthly equivalents, before tax. Features and service compatibility need separate evaluation.
- Tracked events
- 500,000 events / month
PostHog
Product analytics alongside a wider developer toolkit.
$0 / month
Free · verified allowance
Official pricing · Checked 2026-10-05
Cost breakdown and exclusions
- Monthly subscription: $0
- Free event collection only. Paid volume-discount calculations are not yet verified, so paid estimates are unavailable.
- Paid event volumes, advanced paid features, session replay, feature flags, warehouse sync and AI usage.
Amplitude
Product and web analytics with an event-based free allowance.
$0 / month
Free · verified allowance
Official pricing · Checked 2026-10-05
Cost breakdown and exclusions
- Monthly subscription: $0
- Free event collection only. Paid volume-discount calculations are not yet verified, so paid estimates are unavailable.
- Paid event volumes, advanced paid features, session replay, feature flags, warehouse sync and AI usage.
Detailed Verdict: When to Choose Which
Based on sourced pricing models, included allowances, and the stated workload requirements.
Evidence for PostHog:
- Free · verified allowance: $0/month at this workload.
- Free event collection only. Paid volume-discount calculations are not yet verified, so paid estimates are unavailable.
- Excluded: Paid event volumes, advanced paid features, session replay, feature flags, warehouse sync and AI usage.
- Pricing observation: 2026-10-05.
Evidence for Amplitude:
- Free · verified allowance: $0/month at this workload.
- Free event collection only. Paid volume-discount calculations are not yet verified, so paid estimates are unavailable.
- Excluded: Paid event volumes, advanced paid features, session replay, feature flags, warehouse sync and AI usage.
- Pricing observation: 2026-10-05.
Specification & Capability Matrix
Side-by-side comparison of baseline pricing, free allowances, supported developer capabilities, and verification dates.
| Feature / Metric | PostHog | Amplitude | Edge |
|---|---|---|---|
| Selected plan | Free · verified allowance | Free · verified allowance | Tied |
| Monthly cost at stated workload | $0/month | $0/month | Tied |
| Billing commitment | Monthly pricing model | Monthly pricing model | Tied |
| Pricing observation date | 2026-10-05 | 2026-10-05 | Tied |
Interactive Workload Calculator
Slide to match your projected monthly volume and watch how each pricing model reacts.
PostHog vs Amplitude FAQ
Direct answers to key technical, pricing, and migration questions.
Is PostHog cheaper than Amplitude?
PostHog and Amplitude have the same modeled cost of $0 per month at this workload.
What does this comparison cover?
Event collection for one project. Paid volume calculators that could not be independently extracted are not guessed. Those results become unavailable above the verified allowance. Session replay, feature flags, warehouse sync and AI features are excluded. Estimates cover modeled fees at the stated usage. Review selected-plan warnings and exclusions; taxes, migration effort and unmodeled requirements are not a savings promise.
How is pricing freshness handled?
The displayed observation dates belong to the selected plans. Stale, future-dated, quote-only or otherwise ineligible estimates do not receive a price ranking. Consult the linked vendor sources before purchasing.