True cost comparison — not just what the pricing page says
Quick Verdict
Mixpanel saves you 5%
Best for Mixpanel
Product analytics platform with event tracking. Free for 20M events/mo, then event-based pricing bec
Best for PostHog
Open-source product analytics suite. Generous free tier with 1M events/mo, then usage-based pricing
Product analytics platform with event tracking. Free for 20M events/mo, then eve...
Advertised
$0
/month
True Cost
$178
/month (typical)
Event Volume Overage
Beyond free 20M events, Growth plan pricing scales by volume: 100M events = ~$200/mo, 500M = ~$800/m...
Group Analytics Paywall
Analyzing by company/account (not just individual users) requires Growth plan at $28+/mo. B2B produc...
Data Pipeline Export Costs
Exporting raw event data to your data warehouse requires Growth plan. Export to BigQuery, Snowflake,...
Open-source product analytics suite. Generous free tier with 1M events/mo, then ...
Advertised
$0
/month
True Cost
$180
/month (typical)
Multiple Billing Meters
PostHog bills separately for: analytics events ($0.00031/event), session replays ($0.005/recording),...
Session Replay Storage Costs
Session replays cost $0.005/recording after free 5K/mo. High-traffic sites recording 50K sessions/mo...
Data Pipeline Add-On
Exporting data to external data warehouses (BigQuery, Snowflake, S3) requires the data pipeline add-...
Mixpanel advertises $0/mo. PostHog advertises $0/mo.
Mixpanel has 3 documented hidden fees. PostHog has 3.
Mixpanel confidence: 75%. PostHog confidence: 75%.
| Metric | Mixpanel | PostHog | Winner |
|---|---|---|---|
| Advertised Price | $0/mo | $0/mo | Mixpanel |
| True Monthly Cost | $178/mo | $180/mo | Mixpanel |
| Hidden Fee Total | +$178/mo | +$180/mo | Mixpanel |
| # Hidden Fees | 3 | 3 | Mixpanel |
| Confidence Score | 75% | 75% | Mixpanel |
| Pricing Tiers | 3 | 2 | — |
| Affiliate Program | No public affiliate program | None | — |
Mixpanel advertises $0/mo and PostHog advertises $0/mo. However, when you include hidden fees, Mixpanel has 3 documented hidden fees adding +$178/mo, while PostHog has 3 hidden fees adding +$180/mo. Based on true cost, Mixpanel is typically 5% cheaper.
Mixpanel has 3 documented hidden fees: Event Volume Overage, Group Analytics Paywall, Data Pipeline Export Costs. These add approximately +$178/mo on top of the $0/mo advertised price.
PostHog has 3 documented hidden fees: Multiple Billing Meters, Session Replay Storage Costs, Data Pipeline Add-On. These add approximately +$180/mo on top of the $0/mo advertised price.
Choose Mixpanel if: Product analytics platform with event tracking. Free for 20M events/mo, then event-based pricing bec. Choose PostHog if: Open-source product analytics suite. Generous free tier with 1M events/mo, then usage-based pricing . The right choice depends on your team size, usage volume, and which features you need most.
This comparison is based on manual research of official pricing pages, terms of service, and user reports. Mixpanel data has a 75% confidence score and PostHog has 75%. Prices were last verified in April 2026. For the most accurate estimate, enter your specific usage in our calculator.
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