PostHog
PostHog is an all-in-one open-source product OS that provides you with essential tools like web analytics, session replays, feature flags, and A/B testing to build better products.
Smartlook
Smartlook is a visual analytics platform that combines session recordings and event tracking to help you understand exactly how users interact with your websites and mobile applications.
Quick Comparison
| Feature | PostHog | Smartlook |
|---|---|---|
| Website | posthog.com | smartlook.com |
| Pricing Model | Freemium | Freemium |
| Starting Price | Free | Free |
| FREE Trial | ✘ No free trial | ✓ 30 days free trial |
| Free Plan | ✓ Has free plan | ✓ Has free plan |
| Product Demo | ✓ Request demo here | ✓ Request demo here |
| Deployment | ||
| Integrations | ||
| Target Users | ||
| Target Industries | ||
| Customer Count | 0 | 0 |
| Founded Year | 2020 | 2016 |
| Headquarters | San Francisco, USA | Brno, Czech Republic |
Overview
PostHog
PostHog gives you a complete suite of product tools in a single platform, so you don't have to stitch together multiple different services. You can track how users move through your application, identify where they get stuck using session recordings, and test new ideas with built-in A/B testing. It helps you understand the entire user journey from the first click to long-term retention.
Because it is open-source and offers a self-hosting option, you maintain full control over your data privacy and compliance. Whether you are a solo founder or part of a large engineering team, you can deploy features faster and make data-driven decisions without waiting for a data analyst to run manual queries for you.
Smartlook
Smartlook helps you eliminate the guesswork behind user behavior on your website or mobile app. By combining high-quality session recordings with powerful event tracking, you can see exactly where users get stuck, which features they ignore, and why they drop off before converting. It provides a complete visual history of every user's journey, allowing you to watch replays of actual browsing sessions to identify bugs or UX friction points in real-time.
You can build conversion funnels to track specific user paths and use heatmaps to see where people click most often. The platform is designed for product managers, developers, and UX researchers who need to move beyond basic pageview metrics to understand the 'why' behind user actions. Whether you are debugging a mobile app or optimizing a checkout flow, it gives you the visual evidence needed to make data-driven improvements.
Overview
PostHog Features
- Product Analytics Track your conversion funnels and retention charts to see exactly where users drop off in your product journey.
- Session Replays Watch real videos of how people use your app to find bugs and identify confusing UI elements instantly.
- Feature Flags Roll out new features to specific user groups safely and toggle them off immediately if something goes wrong.
- A/B Testing Run experiments on your features or UI changes to see which versions actually drive more conversions and engagement.
- Surveys Collect feedback directly from your users while they are active in your app to understand the 'why' behind their actions.
- Data Warehouse Link your production data with your product analytics to get a unified view of your entire business operations.
Smartlook Features
- Session Recordings. Watch high-quality replays of every user session to see exactly how people navigate your website or mobile app.
- Event Tracking. Track specific actions like button clicks or form submissions automatically without needing to write custom code for every event.
- Conversion Funnels. Build multi-step funnels to identify the exact moment users drop off and watch recordings of those specific sessions.
- Heatmaps. Visualize where users click, move, and scroll most frequently to understand which elements of your page grab the most attention.
- Mobile App Analytics. Analyze user behavior on iOS and Android apps with specialized wireframe rendering that protects user privacy while showing interactions.
- Crash Reports. Link session recordings directly to app crashes so you can see the exact steps a user took before the error occurred.
Pricing Comparison
PostHog Pricing
- 1M events per month
- 5,000 session recordings
- Unlimited feature flags
- 3 active surveys
- Community support
- Standard data retention
- Everything in Free, plus:
- Pay only for usage over limits
- Group analytics
- Advanced permissions
- Priority support
- Longer data retention
Smartlook Pricing
- 1,500 monthly sessions
- 1 month data retention
- 3 heatmaps
- 2 funnels
- Basic event tracking
- Everything in Free, plus:
- 5,000 monthly sessions
- 3 months data retention
- 10 heatmaps
- 10 funnels
- REST API access
Pros & Cons
PostHog
Pros
- Extremely generous free tier for early-stage startups
- Consolidates multiple tools into one single platform
- Open-source nature allows for deep customization
- Easy to set up with one-click autocapture
Cons
- Interface can feel overwhelming for non-technical users
- Self-hosting requires significant engineering resources
- Documentation is dense and sometimes hard to navigate
Smartlook
Pros
- Easy setup with a single snippet of code
- Seamless integration between recordings and funnels
- Excellent mobile app session replay capabilities
- Generous 30-day trial for testing premium features
Cons
- Session limits can be reached quickly on high-traffic sites
- Data retention is limited on lower-priced tiers
- Slight learning curve for advanced event filtering