Software · head to head
LaunchDarkly vs PostHog
PostHog
Software
The single platform to analyze, test, observe, and deploy new features
- From
- Free
- Rated
- -
The short version
- Each has a real cost: LaunchDarkly pricing scales rapidly with monthly active users, becoming expensive at scale; PostHog the free tier covers 1M events, 5K web session recordings and 2.5K mobile recordings per month before usage-based billing starts
- They diverge on capability: LaunchDarkly covers Progressive rollouts, PostHog covers Product analytics.
Where they differ
Only the attributes on which LaunchDarkly and PostHog actually diverge.
| Attribute | LaunchDarkly | PostHog |
|---|---|---|
| Pricing model | Unknown | usage-based |
| Platforms | Web, Cloud, APIs | Web, Ios, Android, Api |
| Founded | 2014 | 2020 |
Identical on both: starting price (Free), free tier (Yes), user rating (Not yet rated), category (Unknown).
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 LaunchDarkly
- Progressive rollouts
- User targeting
- Kill switches
- Audit log
- Multi-environment
- SDKs for all platforms
- Jira
- Datadog
Only in PostHog
- Product analytics
- Session recording
- Heatmaps
- SQL access
- Data warehouse
- Apps platform
- Microsoft Teams
- Zapier
Both cover
- Feature flags
- A/B testing
- Slack
- GitHub
- SOC2
- GDPR
- HIPAA
What people use each for
The jobs each tool is most often brought in to do.
LaunchDarkly
- Progressive deliverynot PostHog
- Feature experimentation
- Risk mitigationnot PostHog
- Performance optimizationnot PostHog
- Infrastructure migrationnot PostHog
PostHog
- Product analyticsnot LaunchDarkly
- Feature experimentation
- User behavior trackingnot LaunchDarkly
- A/B testingnot LaunchDarkly
- Debug production issuesnot LaunchDarkly
Both are used for feature experimentation, on those jobs the choice comes down to price and fit rather than capability.
Where each one falls short
Documented limitations, not opinions. Every one is a constraint you would hit in normal use.
LaunchDarkly
- Pricing scales rapidly with monthly active users, becoming expensive at scale
- Limited seats for engineers on standard plans, forcing upgrade to enterprise
- Advanced features like experimentation and audit logs require higher-tier plans
- Occasional reliability issues and backend delays reported by users
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
Pricing, plan by plan
LaunchDarkly
Free- DeveloperFree
- Unlimited seats
- Unlimited feature flags
- A/B tests and experiments
- Foundation$null/mo
- $12 per connection
- $10 per 1K MAU
- Targeted segmentation
- Enterprise$null/mo
- Custom pricing
- Advanced automation
- Compliance features
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
Which should you pick?
Choose LaunchDarkly if
- You need progressive rollouts.
- You want to start without paying.
- You work on Web, Cloud, APIs.
- You also want user targeting.
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.
Questions people ask
- Is LaunchDarkly or PostHog better?
- Neither clearly leads. LaunchDarkly starts at Free and PostHog at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
- Which is cheaper, LaunchDarkly or PostHog?
- LaunchDarkly starts at Free and PostHog at Free.
- Does LaunchDarkly or PostHog run on more platforms?
- LaunchDarkly runs on Web, Cloud, APIs. PostHog runs on Web, Ios, Android, Api.
- Can I use LaunchDarkly for free?
- Both have a free tier, so you can try either at no cost before committing.
- What is LaunchDarkly best used for?
- LaunchDarkly is most often used for progressive delivery, feature experimentation, risk mitigation, performance optimization. Of those, progressive delivery and risk mitigation are not what PostHog is typically brought in for.
- What can LaunchDarkly do that PostHog cannot?
- LaunchDarkly covers Progressive rollouts, User targeting, Kill switches, Audit log. PostHog covers Product analytics, Session recording, Heatmaps, SQL access. Both handle Feature flags, A/B testing, Slack, GitHub.
Answered from the vendors’ own pages
LaunchDarkly: What does the free Developer plan include?
The free Developer plan includes unlimited seats, unlimited feature flags, A/B tests and experiments, 30 SDKs, 10 million logs and traces, 5,000 session replays and errors, and 14 days of data retention.
SourceLaunchDarkly: How does LaunchDarkly pricing scale?
Foundation plan pricing is $12 per connection plus $10 per 1,000 Monthly Active Users (MAU). Enterprise and Guardian plans have custom pricing based on usage, advanced features, and compliance requirements.
SourceLaunchDarkly: Does LaunchDarkly integrate with Jira and Slack?
Yes, LaunchDarkly integrates with Jira Cloud, allowing you to link feature flags to Jira issues and create issues from observability data. It also integrates with Slack for flag notifications and allows authorized members to trigger flag changes from Slack.
SourceLaunchDarkly: What is dark launching and how does LaunchDarkly enable it?
Dark launching keeps code changes hidden in production until ready to enable. LaunchDarkly enables this through feature flags that let teams safely test code in production before rolling out to users.
Source