PostHog vs Raygun
PostHog and Raygun are both popular tools in the Debugging & Error Fixing space. PostHog uses a freemium model starting at Free, while Raygun is paid from $14/mo. PostHog offers a free tier, while Raygun does not. Below we break down features, pricing, strengths, and weaknesses to help you decide which tool fits your workflow best.
Last updated: July 2026
Quick Verdict
Choose PostHog if you want open-source product analytics with session replay and error tracking.. PostHog's biggest strengths include session replay makes debugging production issues dramatically easier and open-source with self-hosting option for complete data control. Plus, it has a free tier to get started. It's also rated higher (3.8 vs 3.7). Choose Raygun if you prefer real-time error tracking and performance monitoring for web and mobile.. Key advantages include intelligent error grouping reduces noise significantly and deployment tracking helps identify release-caused issues.
Open-source product analytics with session replay and error tracking.
Real-time error tracking and performance monitoring for web and mobile.
| PostHog | Raygun | |
|---|---|---|
| Pricing | Free | $14/mo |
| Free Tier | Yes | No |
| Pricing Model | Freemium | Paid |
| Rating | ★ 3.8 | ★ 3.7 |
| Categories | Debugging & Error Fixing | Debugging & Error Fixing |
| Key Features | 6 features | 6 features |
| Feature | PostHog | Raygun |
|---|---|---|
| Session replay to watch user interactions and debug issues | ✓ | — |
| Error tracking with stack traces and user context | ✓ | — |
| Feature flags for controlled rollouts and A/B testing | ✓ | — |
| Product analytics with funnels, trends, and user paths | ✓ | — |
| Heatmaps and clickmaps for UI/UX debugging | ✓ | — |
| Open-source and self-hostable for data privacy | ✓ | — |
| Real-time error tracking and crash reporting | — | ✓ |
| AI-powered error grouping and prioritization | — | ✓ |
| Performance monitoring with real user data | — | ✓ |
| Deployment tracking to correlate releases with errors | — | ✓ |
| User tracking to see affected customers | — | ✓ |
| Support for web, mobile, and backend platforms | — | ✓ |
PostHog
Pros
- + Session replay makes debugging production issues dramatically easier
- + Open-source with self-hosting option for complete data control
- + Generous free tier with 1M events per month
- + All-in-one platform combining analytics, flags, and debugging tools
Cons
- − Can be overwhelming with the breadth of features for simple debugging needs
- − Self-hosted version requires infrastructure management
- − Session replay storage can get expensive at scale
Raygun
Pros
- + Intelligent error grouping reduces noise significantly
- + Deployment tracking helps identify release-caused issues
- + User impact scoring prioritizes the right issues
- + Clean, actionable dashboard interface
Cons
- − No free tier — paid subscription required
- − Smaller ecosystem than Sentry
- − Limited integrations compared to larger platforms
The Bottom Line
Choose PostHog if: you want open-source product analytics with session replay and error tracking.. It has a free tier to get started, which Raygun lacks. It's completely free to use. It holds a higher user rating (3.8 vs 3.7). Keep in mind: can be overwhelming with the breadth of features for simple debugging needs.
Choose Raygun if: you prefer real-time error tracking and performance monitoring for web and mobile.. Keep in mind: no free tier — paid subscription required.
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