Is PostHog or Semgrep better?

Neither clearly leads. PostHog starts at Free and Semgrep at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.

Which is cheaper, PostHog or Semgrep?

PostHog starts at Free and Semgrep at Free.

Does PostHog or Semgrep run on more platforms?

PostHog runs on Web, Ios, Android, Api. Semgrep runs on web, api, linux, mac, windows.

Can I use PostHog for free?

Both have a free tier, so you can try either at no cost before committing.

What is PostHog best used for?

PostHog is most often used for product analytics, feature experimentation, user behavior tracking, a/b testing. Of those, product analytics and feature experimentation are not what Semgrep is typically brought in for.

What can PostHog do that Semgrep cannot?

PostHog covers Product analytics, Session recording, Feature flags, A/B testing. Semgrep covers Static code scanning, Supply chain scanning, Secrets detection, Cross-file analysis.

Security & Cybersecurity · head to head

PostHog vs Semgrep

PostHog

Security & Cybersecurity

The single platform to analyze, test, observe, and deploy new features

From: Free
Rated: -

Full review Website

Semgrep

Security & Cybersecurity

Open-source static analysis tool for finding security bugs and enforcing code standards.

From: Free
Rated: -

Full review Website

The short version

Each has a real cost: PostHog the free tier covers 1M events, 5K web session recordings and 2.5K mobile recordings per month before usage-based billing starts; Semgrep free tier caps out at 10 contributors and 10 repositories.
They diverge on capability: PostHog covers Product analytics, Semgrep covers Static code scanning.

Where they differ

Only the attributes on which PostHog and Semgrep actually diverge.

Attributes where PostHog and Semgrep differ
Attribute	PostHog	Semgrep
Pricing model	usage-based	freemium
Platforms	Web, Ios, Android, Api	web, api, linux, mac, windows
Category	Unknown	Security & Cybersecurity
Founded	2020	Unknown

Identical on both: starting price (Free), free tier (Yes), user rating (Not yet rated).

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in PostHog

Product analytics
Session recording
Feature flags
A/B testing
Heatmaps
SQL access
Data warehouse
Apps platform

Only in Semgrep

Static code scanning
Supply chain scanning
Secrets detection
Cross-file analysis
AI-powered triage and remediation
CI/CD integration

What people use each for

The jobs each tool is most often brought in to do.

PostHog

Product analyticsnot Semgrep
Feature experimentationnot Semgrep
User behavior trackingnot Semgrep
A/B testingnot Semgrep
Debug production issuesnot Semgrep

Semgrep

Scanning code for security vulnerabilities in CI/CDnot PostHog
Detecting vulnerable open-source dependenciesnot PostHog
Finding hardcoded secrets before code shipsnot PostHog
Enforcing custom code standards with rule setsnot PostHog
Prioritizing findings with AI-assisted triagenot PostHog

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

PostHog

The free tier covers 1M events, 5K web session recordings and 2.5K mobile recordings per month before usage-based billing starts
Accounts without a card on file are limited to 1 project; adding one raises it to 6
Data retention is 1 year until a card is added, which extends it to 7 years
Support is community-only until the account is on a paid plan
Error tracking is capped at 100K exceptions and surveys at 1500 responses per month on the free tier

Semgrep

Free tier caps out at 10 contributors and 10 repositories.
Secrets scanning is priced as a separate module ($15/contributor) from Code and Supply Chain.
Self-managed repositories and custom CI/CD require the Enterprise tier.
AI credits are limited per tier and additional usage requires upgrading.

Pricing, plan by plan

PostHog

Free

FreeFree
- 1M events/month
- 5K sessions/month
- Unlimited users
Paid$undefined/month
- $0.00031/event
- $0.005/session
- Advanced permissions
Enterprise$undefined/month
- SAML SSO
- Advanced security
- Dedicated support

Semgrep

Free

FreeFree
- Up to 10 contributors
- Code and Supply Chain scanning
- 60 AI credits total
Teams$30/month
- Code, Supply Chain, or Secrets scanning per contributor
- Pro rules
- AI-powered triage and remediation
Enterprise$undefined/month
- On-prem support
- Custom CI/CD
- 50 AI credits per developer/month

Which should you pick?

Choose PostHog if

You need product analytics.
You want to start without paying.
You work on Web, Ios, Android, Api.
You also want session recording.

PostHog review

Choose Semgrep if

You need static code scanning.
You want to start without paying.
You work on web, api, linux, mac, windows.
You also want supply chain scanning.

Semgrep review

Questions people ask

Is PostHog or Semgrep better?: Neither clearly leads. PostHog starts at Free and Semgrep at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, PostHog or Semgrep?: PostHog starts at Free and Semgrep at Free.
Does PostHog or Semgrep run on more platforms?: PostHog runs on Web, Ios, Android, Api. Semgrep runs on web, api, linux, mac, windows.
Can I use PostHog for free?: Both have a free tier, so you can try either at no cost before committing.
What is PostHog best used for?: PostHog is most often used for product analytics, feature experimentation, user behavior tracking, a/b testing. Of those, product analytics and feature experimentation are not what Semgrep is typically brought in for.
What can PostHog do that Semgrep cannot?: PostHog covers Product analytics, Session recording, Feature flags, A/B testing. Semgrep covers Static code scanning, Supply chain scanning, Secrets detection, Cross-file analysis.

Answered from the vendors’ own pages

Semgrep: What does Semgrep cost?

The Free edition covers up to 10 contributors; Teams starts at $30/contributor/month for Code scanning (Supply Chain also $30, Secrets $15); Enterprise is custom-priced.

Source

Semgrep: Is there a free plan, and what are its limits?

Yes, the Free edition supports up to 10 contributors and 10 repositories with Code and Supply Chain scanning plus 60 AI credits total.

Source

Semgrep: How is usage metered?

Pricing is per contributor, defined as someone who made at least one commit to a scanned private repository in the past 90 days.

Source

Semgrep: Is there special pricing for startups?

Yes, Semgrep offers special startup pricing upon request for early-stage companies.

Source

PostHog vs Semgrep

PostHog

Semgrep

The short version

Where they differ

What each one covers

Only in PostHog

Only in Semgrep

What people use each for

PostHog

Semgrep

Where each one falls short

PostHog

Semgrep

Pricing, plan by plan

PostHog

Semgrep

Which should you pick?

Choose PostHog if

Choose Semgrep if

Questions people ask

Answered from the vendors’ own pages

Related pages

More on PostHog

More on Semgrep

Keep looking

Other head to heads