| Overview |
A small, self-hosted web analytics tool with cookieless traffic statistics, custom actions and a GraphQL API. You run the Node.js application and MongoDB database. | An open-source session replay and product analytics platform that can run on your infrastructure, combining replays with errors, network activity, performance data, funnels, journeys, heatmaps, web analytics, and co-browsing. |
| Pricing |
Free MIT-licensed software; budget separately for hosting, backups and maintenance. No vendor-hosted subscription is listed. | Open-source self-hosting is free. Cloud Free: 1,000 sessions/month; Serverless: $5.95 per 1,000 sessions/month; Dedicated: from $199/month, billed hourly; Enterprise: custom. |
| Deployment |
Self-hosted | Self-hosted and hosted options |
| Best for |
Developers and website owners who need simple traffic and event reporting on infrastructure they control. | Engineering and product teams that need self-hosted replay, debugging context, and product analytics |
| Operator |
Tobias Reich Independent project | Asayer SAS Independent private company |
| Company base |
Usingen, Germany · European Union | Distributed organization |
| Organization scale |
No comparable official organization-size figure was publicly disclosed. | No comparable official organization-size figure was publicly disclosed. |
| Recent direction |
operational reliability Recent official evidence shows a focus on operational reliability. | product analytics Recent official evidence shows a focus on product analytics. |
| Key features |
- Cookieless traffic statistics
- Custom actions and event values
- GraphQL API
- Self-hosted Node.js and MongoDB
|
- Self-hosted session replay
- Product and web analytics
- Error, network, and performance context
- Funnels and journeys
- Heatmaps
- Co-browsing
- Web and mobile capture
- Data export
- MCP server
|
| Important considerations |
Current releases require Node.js 24 or newer and MongoDB. Your team owns upgrades, availability and security; evaluate its aggregate reports against your funnel and replay requirements. | Cloud Free includes 2 users, 1 project, and 7-day retention. Paid Serverless includes unlimited users and projects with 30-day retention. Self-hosting requires your own infrastructure; Dedicated costs depend on the instance, region, and running time. |
| Integrations |
JavaScript, GraphQL, Docker | GitHub, Jira, Slack, Sentry, Datadog |
| Fact check |
We checked this information against official vendor sources on 2026-09-30. |
We checked this information against official vendor sources on 2026-09-04. |