Estimated monthly cost comparison — not just the headline price
Prices change often — confirm on the vendor's site before buying. Report incorrect pricing →
Quick Take
Estimated monthly costs are about the same
Based on advertised price plus documented recurring fees, not your exact usage.
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
Estimated monthly cost
$178
/month (illustrative)
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
Estimated monthly cost
$180
/month (illustrative)
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 | — |
| Estimated Monthly Cost | $178/mo | $180/mo | — |
| Recurring Extra Fees | +$178/mo | +$180/mo | Mixpanel |
| One-Time Costs | $0 | $0 | — |
| # Documented Fees | 3 | 3 | — |
| Pricing Tiers | 3 | 2 | — |
| Affiliate Program | No public affiliate program | None | — |
Mixpanel advertises $0/mo and PostHog advertises $0/mo. Mixpanel has 3 documented extra fees (recurring: +$178/mo), while PostHog has 3 (recurring: +$180/mo). On these illustrative assumptions the estimated monthly costs are about the same. Your real cost depends on seats and usage — use the calculator for your numbers.
Mixpanel has 3 documented extra fees: Event Volume Overage, Group Analytics Paywall, Data Pipeline Export Costs. Recurring fees add roughly $178/mo on top of the $0/mo advertised price.
PostHog has 3 documented extra fees: Multiple Billing Meters, Session Replay Storage Costs, Data Pipeline Add-On. Recurring fees add roughly $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 compiled from public vendor pricing pages and documentation. It uses illustrative assumptions (see "Cost Comparison Summary"), not your exact seats or usage, and vendor prices change often. Confirm current prices on each vendor's site, and use our calculator with your own usage for a closer estimate. Spotted an error? Email hello@trulycritic.com.
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