Tenable
Uptime Robot
| Feature | Tenable | Uptime Robot |
|---|---|---|
| Pricing | Free / from $3990/mo | Free / from $7/mo |
| Free Plan | ✓ Yes | ✓ Yes |
| Rating | 4.3 / 5 | 4.4 / 5 |
| Best For | security-teams, compliance-officers, it-operations, vulnerability-managers | developers, freelancers, small-businesses, startups |
| Founded | 2002 | 2010 |
| Vulnerability Scanning | ✓ | ✗ |
| Asset Discovery | ✓ | ✗ |
| Risk Prioritization | ✓ | ✗ |
| Compliance Reporting | ✓ | ✗ |
| Web App Scanning | ✓ | ✗ |
| Cloud Security | ✓ | ✗ |
| Uptime Monitoring | ✗ | ✓ |
| Status Pages | ✗ | ✓ |
| Ssl Monitoring | ✗ | ✓ |
| Cron Monitoring | ✗ | ✓ |
| Multi Location Checks | ✗ | ✓ |
| Alert Integrations | ✗ | ✓ |
✓ Tenable Pros
- Comprehensive vulnerability coverage
- Excellent asset discovery
- Good risk prioritization
- Strong compliance reporting
✗ Tenable Cons
- Expensive for large environments
- Complex initial setup
- Scanning can impact performance
✓ Uptime Robot Pros
- Generous free tier
- Simple setup
- Multiple check types
- Status pages included
✗ Uptime Robot Cons
- Limited on free tier
- Basic alerting
- No advanced analytics
The Verdict
Tenable is built for security teams and compliance officers, with a focus on vulnerability-scanning and asset-discovery. Uptime Robot targets developers and freelancers and leads with uptime-monitoring and status-pages.
On pricing, Uptime Robot is the clear winner for budget-conscious users — starting at $7/mo compared to $3990/mo for Tenable. That $3983/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.