Sentry vs Uptime Kuma
Sentry and Uptime Kuma are both uptime & monitoring tools aimed at developers. Both have a free plan.
Sentry
Error and performance monitoring
Uptime Kuma
Self-hosted uptime monitoring
| Pricing | Freemium · $29 | Open source |
| Starting price | $29/mo | Not published |
| Free plan | Yes | Yes |
| Free trial | 14 days | — |
| Built for | Developers | Developers |
| Platforms | web | web |
| Country | US · 2012 | HK · 2021 |
| Rating | — | — |
Choose Sentry if
Engineering teams of any size that want to know when and why code breaks.
- Best developer experience for debugging errors
- SDKs for everything
- Free tier for individuals
Look elsewhere if: Infrastructure metrics and logs at scale (Datadog, Grafana).
Choose Uptime Kuma if
Developers and small teams comfortable self-hosting who want free, reliable uptime checks.
- Free and open source
- Very easy to deploy
- Huge range of notifications
Look elsewhere if: Teams needing on-call rotations, SLAs and multi-user management.
Sentry vs Uptime Kuma pricing
Sentry
- Developer$01 user, 5k errors, 5 GB logs
- Team$29/mo$26/mo billed annually; unlimited users, 50k errors
- Business$89/mo$80/mo billed annually; 50k errors, 90-day lookback
- EnterpriseCustomCustom quotas and support
Uptime Kuma
- Open source$0MIT license, self-hosted via Docker or Node
Sentry · Key features
- Error tracking with stack traces, breadcrumbs and release tracking
- Performance tracing and profiling
- Session Replay tied to errors
- Cron and uptime monitoring
- Seer AI for root cause and fix suggestions
- Suspect commits, issue ownership and alerting rules
Cons
- Costs scale with event volume; sampling needed
- Self-hosting is heavy
- Alert noise without tuning
Uptime Kuma · Key features
- HTTP, TCP, ping, DNS, keyword, JSON and Docker monitors
- Push monitors for cron and heartbeat checks
- 90+ notification providers including Slack, Telegram, Discord
- Status pages with custom domains
- Certificate expiry monitoring
- Single-container Docker deployment
Cons
- Self-hosted only; you monitor the monitor
- Single-user by default
- Basic incident management
Sentry vs Uptime Kuma: FAQ
Do Sentry and Uptime Kuma have a free plan?
Yes, both Sentry and Uptime Kuma have a free plan; paid plans add more usage and features.