UptimeRobot vs Sentry
A detailed comparison to help you choose between UptimeRobot and Sentry.
Quick Verdict
3.7/5
UptimeRobot
0 reviews
4.2/5
Sentry
0 reviews
Sentry is rated higher (4.2 vs 3.7). Monitors website availability and sends notifications when your site goes down. Tracks response times and logs uptime history for SLAs. Sentry is the industry standard for application error monitoring. Captures exceptions with full stack traces, performance monitoring, session replay, and release tracking. Open source.
UptimeRobot Website uptime monitoring with instant alerts | Sentry Application error tracking and performance monitoring | |
|---|---|---|
| Overview | ||
| Rating | 3.7 (0 reviews) | 4.2 (0 reviews)✓ |
| Pricing model | freemium | freemium |
| Starting price | Free tier available | Free tier available |
| Best for | Hobby projects, freelancers and small teams wanting generous free or low-cost uptime monitoring with status pages | Development teams who want application errors caught, grouped, and traced before users report them, with a usable free tier to start |
| Features | ||
| IPv6 | ✓ | |
| DDoS protection | ||
| Automated backups | ||
| Snapshots | ||
| Managed option | ||
| Bare metal | ||
| GPU available | ||
| S3-compatible | ||
| Hourly billing | ||
| Free tier | ||
| Data-center locations | ||
| Regions | Global | — |
| Tags | ||
| Tags | free tierapi access | free tieropen sourceself hostableapi accessteam features |
| Visit UptimeRobot → | Visit Sentry → | |
UptimeRobot
Pros
- + Best free tier in the category for non-commercial use: 50 monitors at 5-minute intervals, no credit card
- + Broad monitor coverage: HTTP, ping, port, keyword, API, UDP, DNS, SSL/domain expiry with confirmation re-checks
- + Four probe regions (NA/EU/Asia/Australia) with per-region thresholds and multi-region status tracking on paid plans
- + Published monitoring IP allow-list (IPv4 + IPv6) with a live API endpoint — firewall onboarding made simple
- + Status pages at every tier; white-label, own-domain, translated pages on Team and above
Cons
- - Free plan restricted to personal, non-commercial use since October 2024 — off the table for revenue sites
- - Slack/webhooks/PagerDuty integrations wait until Team ($39/mo annual); Solo users pay triple for a Slack alert
- - Pricing churn: 2025 restructuring plus monitor-count sliders, $15/mo extra seats and SMS credits make totals hard to predict
- - Interval speed is tier-bound (5 min / 60s / 30s / 15s) and there is no public SLA outside Enterprise
- - No built-in incident management (escalation, on-call); ownership marked acquired by third-party records without a published buyer
Sentry
Pros
- + Industry-standard error grouping and stack traces with code context
- + Free Developer plan at $0 including error monitoring and tracing
- + Framework SDKs make setup a one-afternoon job
- + EU data residency (Frankfurt) at no extra cost on all plans
- + Covers tracing, session replay, release health, cron and uptime monitors in one subscription
- + Self-hostable server code for teams that must run their own stack
Cons
- - Usage-based overage on errors, spans, and replays can spike bills unexpectedly
- - Real setup work needed to control noise (grouping, filters, sampling)
- - No public uptime SLA on self-serve plans
- - No APAC data region; some account metadata stays in the US even on EU orgs
- - Self-hosted deployment is operationally heavy and the license is not plain OSI open source
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