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.
Short on time? Here's the quick answer
We've tested both tools. Here's who should pick what:
PostHog
Open-source product analytics with event tracking, feature flags, and session recording
Best for you if:
- • You need product analytics features specifically
- • All-in-one product OS (analytics, flags, replay)
- • Open source and self-hostable
Statsig
Feature flags and product experimentation
Best for you if:
- • You need feature flags features specifically
- • Statsig is a feature management and experimentation platform
- • It provides feature flags, A/B testing, and analytics at scale
| At a Glance |  PostHog |  Statsig |
|---|---|---|
Starts at | Custom/moUsage-Based | $150/monthPro |
Best For | Product Analytics | Feature Flags |
Rating | - | - |
Choose PostHog or Statsig?
Choose PostHog if
Open-source product analytics with event tracking, feature flags, and session recording
- Open source
- All-in-one
- Self-hostable
- Your work is product analytics-shaped, not feature flags-shaped
Choose Statsig if
Feature flags and product experimentation
- Feature flags platform
- Good analytics
- Fair pricing
- Your work is feature flags-shaped, not product analytics-shaped
| Feature | PostHog | Statsig |
|---|---|---|
| Pricing Model | Freemium | Freemium |
| User Rating | ★4.5/5 1,036 reviews | ★4.7/5 345 reviews |
| Categories | Product AnalyticsWeb Analytics | Feature FlagsA/B Testing |
In-Depth Analysis
PostHog
Open-source product analytics with event tracking, feature flags, and session recording
Strengths
- +Open source
- +All-in-one
- +Self-hostable
Weaknesses
- -Complex setup
- -Can get expensive
Key features
Statsig
Feature flags and product experimentation
Strengths
- +Feature flags platform
- +Good analytics
- +Fair pricing
- +Active development
- +Good documentation
Weaknesses
- -Learning curve
- -Per-event pricing
- -Feature gaps
- -Better alternatives exist
- -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.
Who Should Use What?
On a budget?
Both are freemium. Compare plans on their websites.
Go with: PostHog
Want the highest-rated option?
Neither has user reviews yet.
Go with: PostHog
Value user reviews?
Neither has user reviews yet.
Go with: PostHog
3 Questions to Help You Decide
What's your budget?
Both are freemium. Pricing won't help you decide here.
What's your use case?
PostHog is a product analytics tool. Statsig is in feature flags. Pick the category that matches your needs.
How important are ratings?
Neither has user reviews yet.
Key Takeaways
PostHog
- Larger review base (1,036 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 is our pick.
Frequently Asked Questions
Is PostHog or Statsig better?
PostHog is rated in our evaluation. Both are freemium.
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 is freemium (free tier + paid plans). Statsig is freemium (free tier + paid plans). Visit their websites for detailed pricing.