True cost comparison — not just what the pricing page says
Quick Verdict
PostHog saves you 5%
Best for Stripe
Open-source product analytics suite. Generous free tier with 1M events/mo, then usage-based pricing
Best for PostHog
Payment processing platform for internet businesses. The standard 2.9% + $0.30 per transaction is ju
Payment processing platform for internet businesses. The standard 2.9% + $0.30 p...
Advertised
$0
/month
True Cost
$410
/month (typical)
International Card Surcharge
International cards incur an additional 1.5% fee on top of the base 2.9%. For businesses with global...
Currency Conversion Fee
Automatic currency conversion adds 1% on top of all other fees. Combined with international surcharg...
Dispute (Chargeback) Fees
Each disputed transaction costs $15 regardless of outcome. Even if you win the dispute, the $15 fee ...
Radar Fraud Protection
Stripe Radar for fraud prevention costs $0.07/transaction (Radar for Fraud Teams: $0.02 additional)....
Billing & Invoicing Add-On
Stripe Billing for subscriptions: 0.5% of recurring revenue (Starter) or 0.8% (Scale). Stripe Invoic...
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-...
PostHog advertises $0/mo. Stripe advertises $0/mo.
PostHog has 3 documented hidden fees. Stripe has 5.
PostHog confidence: 75%. Stripe confidence: 85%.
| Metric | Stripe | PostHog | Winner |
|---|---|---|---|
| Advertised Price | $0/mo | $0/mo | Stripe |
| True Monthly Cost | $410/mo | $180/mo | PostHog |
| Hidden Fee Total | +$410/mo | +$180/mo | PostHog |
| # Hidden Fees | 5 | 3 | PostHog |
| Confidence Score | 85% | 75% | Stripe |
| Pricing Tiers | 3 | 2 | — |
| Affiliate Program | No public affiliate program | None | — |
Stripe advertises $0/mo and PostHog advertises $0/mo. However, when you include hidden fees, Stripe has 5 documented hidden fees adding +$410/mo, while PostHog has 3 hidden fees adding +$180/mo. Based on true cost, PostHog is typically 5% cheaper.
Stripe has 5 documented hidden fees: International Card Surcharge, Currency Conversion Fee, Dispute (Chargeback) Fees, Radar Fraud Protection, Billing & Invoicing Add-On. These add approximately +$410/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 Stripe if: Open-source product analytics suite. Generous free tier with 1M events/mo, then usage-based pricing . Choose PostHog if: Payment processing platform for internet businesses. The standard 2.9% + $0.30 per transaction is ju. 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. Stripe data has a 85% 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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