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DataFast

vs

PostHog

In-depth comparison to help you make the right choice for your product analytics needs

DataFast logo

DataFast

Web Analytics

Simple web analytics that link revenue to traffic sources, helping founders identify which marketing channels drive actual paying customers.

Pricing
Free Trial - Paid plans
13,700+
Founded 2023
PostHog logo

PostHog

Product Analytics

All-in-one open-source product analytics platform with session replay, feature flags, and A/B testing for engineers.

Pricing
Free - Usage-based
190,000+
Founded 2020

Best For

Who should use each platform

DataFast
Startups
Indie Makers
E-commerce
Non-Technical Users
PostHog
Startups
B2B SaaS
Product Teams
Data Teams
Mobile Apps

Pricing Breakdown

Compare pricing options and trial availability

DataFast
Starting Price
Free Trial - Paid plans
No free tier
14-day free trial
Special Offer

Affiliate program available (50% commission)

PostHog
Starting Price
Free - Usage-based
Free tier available
No free trial
Special Offer

Startup program ($50k credits), Non-profit discounts

Integrations

Available integrations for each platform

DataFast
Stripe
LemonSqueezy
Shopify
WooCommerce
WordPress
GitHub
Polar
Twitter/X
PostHog
Slack
Stripe
HubSpot
Salesforce
Sentry
Segment
Zapier
RudderStack
Hightouch
BigQuery

Strengths

What users love about each platform

DataFast

  • • Automates revenue attribution by connecting directly with payment providers
  • • Lightweight 4kb script that doesn't impact site performance
  • • Unique integration with X (Twitter) to visualize social impact on revenue
  • • Includes a dedicated mobile app for iOS and Android
  • • Native integrations for modern stacks like Next.js, Stripe, and LemonSqueezy

PostHog

  • • Open-source and self-hostable option for complete data control
  • • All-in-one platform combining analytics, replays, and feature flags
  • • Generous free tier (1M events/month) that resets monthly
  • • Direct SQL access (HogQL) for advanced data querying
  • • Autocapture feature tracks all events without manual instrumentation

Limitations

What could be better with each platform

DataFast

  • • No forever-free plan (only 14-day trial)
  • • Requires explicit visitor consent (GDPR) due to cookie usage for attribution
  • • Less granular custom reporting compared to enterprise enterprise tools
  • • Limited team seats on the Starter plan

PostHog

  • • Steep learning curve for non-technical users
  • • Self-hosting requires significant engineering resources to maintain
  • • Can become expensive at high volume if not optimized
  • • Visualization options are less flexible than dedicated BI tools

Ready to explore DataFast?

See detailed features, pricing, and more

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Ready to explore PostHog?

See detailed features, pricing, and more

All PostHog comparisons