Uptime Kuma vs Sentry
Detailed comparison to help you choose the right tool for your needs
U
Uptime Kuma
Self-hosted monitoring tool — fancy alternative to Uptime Robot
4.7
Editorial RatingS
Sentry
Industry-standard application error tracking and monitoring
4.5
Editorial RatingQuick Comparison
Rating
4.7
vs4.5
Starting Price
Free
vsFree
Pricing Model
free
vsfreemium
Feature
Uptime Kuma
Sentry
HTTP/TCP/DNS monitoring
Docker monitoring
Status pages
90+ notifications
Multi-language
Certificate expiry monitoring
Error tracking & alerting
Session replay
Performance monitoring
Release tracking
Self-hosted option
Profiling
Uptime Kuma Pros
- Beautiful, modern UI
- 90+ notification channels
- Easy Docker setup
- Completely free
Uptime Kuma Cons
- Self-hosted only — no cloud option
- Single-node (no distributed monitoring)
- No built-in incident management
Sentry Pros
- Industry-standard error tracking — familiar to most developers
- 100+ platform and framework SDKs
- Session replay shows exactly what users experienced before an error
- Open source and self-hostable
- Performance monitoring and profiling in one tool
- Excellent stack trace and breadcrumb context per error
Sentry Cons
- Self-hosted requires significant server resources (8GB+ RAM)
- Pricing scales quickly with error volume at high traffic
- Session replay and performance monitoring add to cost
- Alert fatigue common without careful threshold tuning
- Can be noisy without proper grouping and filtering configuration
- Data retention limited on lower tiers