PostHog vs Statsig: Which is Better in 2026?
Choosing between PostHog and Statsig comes down to understanding what each tool does best. This comparison breaks down the key differences so you can make an informed decision based on your specific needs, not marketing claims.
Bottom line: PostHog wins this matchup. Google Analytics is our overall Product Analytics pick. Google Analytics is our free Product Analytics pick. Pick Statsig if you need feature flags.
Short on time? Here's the quick answer
Based on published vendor pricing and features and on public review data, here's who should pick what:
PostHog
Open-source product analytics with event tracking, feature flags, and session recording
Best for you if:
- • You want open source
Statsig
Feature flags and product experimentation
Best for you if:
- • You want feature flags platform
| At a Glance | PostHog | Statsig |
|---|---|---|
Starts at | Free Free plan | Free Free plan |
Category | Product Analytics Web Analytics | Feature Flags A/B Testing |
Rating | 4.5/5 G2 4.5 1,054 reviews | 4.7/5 G2 4.7 347 reviews |
Free plan | Yes | Yes |
Watch out for | Overage fees for events beyond free tier | Overage fees for events beyond tier limits |
Choose PostHog or Statsig?
Choose PostHog if
- You want open source
- You want all-in-one
- You work in product analytics, not feature flags
Choose Statsig if
- You want feature flags platform
- You want good analytics
- Budget matters (Free vs Free)
- You work in feature flags, not product analytics
In-Depth Analysis
PostHog
Open-source product analytics with event tracking, feature flags, and session recording
PostHog's pricing is quite generous, especially with its robust free tier offering 1M events and unlimited seats.
Watch out
Overage fees for events beyond free tier
Strengths
- Pro: Open source
- Pro: All-in-one
- Pro: Self-hostable
Weaknesses
- Con: Complex setup
- Con: Can get expensive
Key features
Statsig
Feature flags and product experimentation
Statsig's pricing is quite generous, especially with a robust Free tier offering 50M events.
Watch out
Overage fees for events beyond tier limits
Strengths
- Pro: Feature flags platform
- Pro: Good analytics
- Pro: Fair pricing
- Pro: Active development
- Pro: Good documentation
Weaknesses
- Con: Learning curve
- Con: Per-event pricing
- Con: Feature gaps
- Con: Better alternatives exist
- Con: Support varies
Key features
Pricing: PostHog vs Statsig
| Plan | PostHog | Statsig |
|---|---|---|
| Tier 1 | Free Free | Free Free |
| Tier 2 | Custom Usage-Based | $150 month Pro |
| Tier 3 | $750 Scale | custom Enterprise |
Pricing verified from each vendor's public pricing page. Compare in detail on PostHog pricing and Statsig pricing.
Key Takeaways
PostHog
- Larger review base (1,054 reviews)
- Free tier available
- Our pick for this comparison
Statsig
- Higher user rating: 4.7/5 vs 4.5/5
- Better fit for feature flags
The Bottom Line
PostHog wins this matchup. Google Analytics is our overall Product Analytics pick. Google Analytics is our free Product Analytics pick.
Frequently Asked Questions
Is PostHog or Statsig better in 2026?
PostHog wins this matchup. Google Analytics is our overall Product Analytics pick. Google Analytics is our free Product Analytics pick. Pick PostHog for product analytics workflows (main strength: open source). Pick Statsig for feature flags workflows (main strength: feature flags platform).
What are PostHog and Statsig used for?
PostHog: Open-source product analytics with event tracking, feature flags, and session recording. Statsig: Feature flags and product experimentation.
What does PostHog cost vs Statsig?
PostHog's paid plans start at Free (Scale). Statsig's paid plans start at Free (Pro).
What's the main difference between PostHog and Statsig?
PostHog's main strength: open source. Statsig's main strength: feature flags platform.