Datafast
analytics
PostHog
analytics
The revenue-first analytics tool for founders vs the full-stack product intelligence platform for engineering and product teams — same analytics category, completely different scope and audience.
Dimension-by-Dimension Breakdown
Revenue Attribution
Native Stripe, LemonSqueezy, and Polar integration — automatically attributes every paid transaction to the traffic source, marketing channel, and campaign that drove it. No custom event setup required.
Revenue tracking requires custom event instrumentation — you can build revenue attribution in PostHog, but it is not a native first-class feature. Requires engineering time to set up correctly.
Setup Complexity
One 4KB script tag. Full tracking live in under 2 minutes. No developer required, no configuration, no event schema to design.
More powerful but requires more setup — especially for custom events, funnels, and user identification. A developer should own the PostHog implementation for it to be used correctly.
Product Analytics Depth
Web analytics and revenue attribution. No user-level behavioural analysis, no retention cohorts, no A/B testing, no feature flags.
Full product analytics platform — funnels, retention analysis, user timelines, path analysis, cohort comparisons, and session replay. The most complete product intelligence suite available.
Session Recording & Heatmaps
Not available. Understanding user behaviour on specific pages requires an additional tool like Microsoft Clarity or Hotjar.
Session replay built in — 5,000 recordings/month on the free tier. Heatmaps, click maps, and rage-click detection all native. No additional tool required.
Pricing Model
Simple event-based pricing from $9/month for 10,000 events. Predictable at low traffic volumes. Can spike unexpectedly on high-traffic days.
1 million analytics events free every month — an extraordinarily generous free tier. Usage-based pricing kicks in after free allowances, scaling with actual consumption.
Privacy & Compliance
Cookieless by default, GDPR-compliant without cookie consent banners for basic tracking. Zero configuration required for compliance.
Privacy-compliant and self-hostable — GDPR compliance requires correct configuration. EU cloud hosting available. Self-hosted option available for teams with strict data residency requirements.
Target Audience Fit
Built for founders, indie hackers, and marketers. Non-technical users can interpret every metric on the dashboard without engineering support.
Built for product and engineering teams — the platform's depth is an advantage for technical users and a barrier for non-technical ones.
Feature Flags & A/B Testing
Not available. Datafast is a read-only analytics tool — it observes, it does not control.
Feature flags and A/B testing built in — 1 million flag requests per month free. Ship controlled rollouts, run experiments, and measure results in the same platform.
Editor's Verdict
“Datafast wins for indie hackers, solo founders, and small marketing teams whose core question is 'which marketing channels are generating revenue' — the Stripe integration, revenue attribution, and 2-minute setup make it the fastest path to that specific answer. PostHog wins for product and engineering teams who need the full stack: behavioural analytics, session recordings, feature flags, A/B testing, and data warehouse syncs all in one platform. These tools rarely compete for the same customer in practice. Datafast is a marketing analytics tool. PostHog is a product intelligence platform. If you are trying to understand your marketing ROI, use Datafast. If you are trying to understand your product, use PostHog.”