Sentry
Windmill
| Feature | Sentry | Windmill |
|---|---|---|
| Pricing | Free / from $26/mo | Free / from $10/mo |
| Free Plan | ✓ Yes | ✓ Yes |
| Rating | 4.5 / 5 | 4.4 / 5 |
| Best For | developers, frontend-teams, mobile-developers, startups | developers, devops-teams, internal-tools, data-pipelines |
| Founded | 2012 | 2022 |
| Error Tracking | ✓ | ✗ |
| Performance Monitoring | ✓ | ✗ |
| Session Replay | ✓ | ✗ |
| Source Maps | ✓ | ✗ |
| Release Tracking | ✓ | ✗ |
| Alerting | ✓ | ✗ |
| Integrations | ✓ | ✗ |
| Issue Triaging | ✓ | ✗ |
| Workflow Editor | ✗ | ✓ |
| Script To Ui | ✗ | ✓ |
| Scheduling | ✗ | ✓ |
| Approval Flows | ✗ | ✓ |
| Multi Language | ✗ | ✓ |
| Self Hostable | ✗ | ✓ |
| Audit Logs | ✗ | ✓ |
✓ Sentry Pros
- Excellent error tracking with full stack traces
- Source map support for minified code
- Session replay shows exactly what users experienced
- Open-source self-hosted option available
- Supports 100+ platforms and frameworks
✗ Sentry Cons
- Event quotas can be exceeded during incidents
- Alert fatigue if not properly configured
- Performance monitoring less mature than Datadog
✓ Windmill Pros
- Open-source and self-hostable
- Supports Python, TypeScript, Go, Bash, SQL natively
- Auto-generates UI from script parameters
- Excellent scheduling and workflow orchestration
✗ Windmill Cons
- Smaller community than Zapier/n8n
- Self-hosting requires infrastructure knowledge
- Less polished documentation for beginners
The Verdict
Sentry is built for developers and frontend teams, with a focus on error-tracking and performance-monitoring. Windmill targets developers and devops teams and leads with workflow-editor and script-to-ui.
On pricing, Windmill is the clear winner for budget-conscious users — starting at $10/mo compared to $26/mo for Sentry. That $16/mo difference adds up quickly for growing teams.
Both offer free plans, so you can test each with your real workflow before committing to a subscription.
Feature-wise, Sentry offers broader built-in capabilities (8 features vs 7), while Windmill takes a more focused approach — which can mean a simpler, faster onboarding experience.
Both tools are a solid fit for developers — in those cases, the decision often comes down to workflow style and how your team prefers to organize work.
This is a genuinely close comparison. If you can, sign up for both free trials (where available) and run a one-week test with your actual team tasks before deciding.