PostHog vs Rerun
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. PostHog starts at See pricing page and Rerun starts at See pricing page. Check both pricing pages for current plans.
At a glance
Best for
Category
Pricing model
Starting price
Free plan
Made by
Based in
Rating
Key features
- Product analytics
- Session replay
- Feature flags and experiments
- SQL data warehouse
- AI assistant
- Multimodal data logging
- Desktop and web viewer
- SQL and dataframe queries
- Python, Rust and C++ SDKs
- Managed data catalog
- Streaming to GPUs
| Feature | PostHog | Rerun |
|---|---|---|
| Best for | Open-source product analytics suite with an AI assistant | Open-source data layer for robotics and physical AI |
| Category | Data & analytics | Data & analytics |
| Pricing model | Freemium | Freemium |
| Starting price | See pricing page | See pricing page |
| Free plan | Yes | Yes |
| Made by | PostHog | Rerun Technologies AB |
| Based in | United States | Sweden |
| Rating | No ratings yet | No ratings yet |
| Key features |
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Pricing compared
PostHog starts at See pricing page and Rerun starts at See pricing page. Check both pricing pages for current plans.
Free plan
Cheapest paid plan
Top plan
Free trial
3 plans
Free
Free
- 1M analytics events/month
- 5K session recordings
- 1M feature flag requests
- 1 project, 1-year retention
Pay-as-you-go
Usage-based after free tier
- Unlimited usage
- 6 projects
- 7-year data retention
- Per-product billing limits
Enterprise
Contact sales
- Annual plans and volume discounts
- Platform features and onboarding help
2 plans
Open source SDK
Free
- Apache-2.0 / MIT
- Python, Rust and C++ APIs
- Desktop and web viewer
Hub
Contact sales
- Single-tenant, in your region
- Managed catalog
- Datasets streamed to GPUs
Prices in USD, checked Oct 28, 2026 or later. Plans change often, so confirm on each tool's site before you buy.
Pros and cons
PostHog
- Many tools in one product
- Large free monthly allowance
- Transparent pricing
- Interface can feel crowded
- Usage costs grow with traffic
Rerun
- Free, permissively licensed SDK
- Handles mixed-rate sensor data
- Runs locally or in your region
- Hub pricing requires a sales call
- Built for robotics teams, not general analytics
- Learning curve for its data model
Which one should you choose?
Choose PostHog if you want:
- Many tools in one product
- Large free monthly allowance
- Transparent pricing
Watch out: interface can feel crowded.
Choose Rerun if you want:
- Free, permissively licensed SDK
- Handles mixed-rate sensor data
- Runs locally or in your region
Watch out: hub pricing requires a sales call.
PostHog vs Rerun FAQ
What is the difference between PostHog and Rerun?
PostHog: Open-source product analytics suite with an AI assistant. Rerun: Open-source data layer for robotics and physical AI. Both are data & analytics tools.
Is PostHog or Rerun cheaper?
PostHog starts at See pricing page and Rerun starts at See pricing page. Check both pricing pages for current plans.
Do PostHog and Rerun have free plans?
PostHog: Yes. Rerun: Yes.
Who makes PostHog?
PostHog is made by PostHog, based in United States.
Who makes Rerun?
Rerun is made by Rerun Technologies AB, based in Sweden.
Which should I choose, PostHog or Rerun?
Choose PostHog if you value many tools in one product and large free monthly allowance. Choose Rerun if you value free, permissively licensed sdk and handles mixed-rate sensor data.