Novu
Windmill
| Feature | Novu | Windmill |
|---|---|---|
| Pricing | Free / from $0.0025/mo | Free / from $10/mo |
| Free Plan | ✓ Yes | ✓ Yes |
| Rating | 4.3 / 5 | 4.4 / 5 |
| Best For | saas-developers, product-teams, startups, notification-heavy-apps | developers, devops-teams, internal-tools, data-pipelines |
| Founded | 2021 | 2022 |
| Multi Channel Notifications | ✓ | ✗ |
| Notification Center | ✓ | ✗ |
| Subscriber Preferences | ✓ | ✗ |
| Workflow Editor | ✓ | ✓ |
| Digest | ✓ | ✗ |
| Templates | ✓ | ✗ |
| Self Hostable | ✓ | ✓ |
| Script To Ui | ✗ | ✓ |
| Scheduling | ✗ | ✓ |
| Approval Flows | ✗ | ✓ |
| Multi Language | ✗ | ✓ |
| Audit Logs | ✗ | ✓ |
✓ Novu Pros
- Single API for all notification channels
- Open-source with self-hosting option
- Built-in notification center UI component
- Subscriber preference management included
✗ Novu Cons
- Complex setup for advanced use cases
- Documentation has gaps for edge cases
- Self-hosted version requires maintenance
✓ 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
Novu is built for saas developers and product teams, with a focus on multi-channel-notifications and notification-center. Windmill targets developers and devops teams and leads with workflow-editor and script-to-ui.
On pricing, Novu is the clear winner for budget-conscious users — starting at $0.0025/mo compared to $10/mo for Windmill. That $9.9975/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.
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.