Comparison

OneUptime vs UptimeRobot

OneUptime lands on Depends, and UptimeRobot lands on Worth it.

OneUptime

Depends

Confidence: Medium

Buy if you're an engineering team wanting Datadog/PagerDuty scope under open-source licensing and can run it yourself.

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UptimeRobot

uptimerobot.com

Worth it

Confidence: High

Buy it if you're a solo dev or small team wanting cheap, simple uptime alerts . setup takes minutes and paid plans start at $7/mo.

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OneUptime versus UptimeRobot
Compare	OneUptime	UptimeRobot
Verdict	Depends	Worth it
Best for	DevOps teams ditching Datadog bills	Solo developers and indie SaaS
Who it's not for	Teams needing only simple uptime checks . Uptime Kuma does it for free	Freelancers wanting free monitoring of commercial sites
Privacy	Active 2025-2026 CVE history including critical RCE/command injection and privilege escalation; fixes appear shipped, but vet before sensitive deployments.	SOC 2 compliant; one disclosed custom-domain takeover issue listed on GitHub.
Support quality	G2 review cites unhelpful support response.	No direct evidence found
Public sentiment	Praise centers on it being an awesome open-source bargain, while Reddit and G2 voices report dislikes and weak support.^⁶	Users praise the value and simple setup, but recent reviews skew angry over free-tier restrictions and legacy price hikes.¹⁶
Biggest gotcha	Security track record: several critical CVEs in the past year . patch self-hosted deployments fast.¹²	Commercial sites can't use the free plan anymore . expect to pay

Pick OneUptime when

DevOps teams ditching Datadog bills
Open-source / self-host shops
Teams bundling uptime, on-call, status page
Engineering-led startups with on-call rotations

When OneUptime is not a fit

Teams needing only simple uptime checks . Uptime Kuma does it for free
Non-technical teams; self-hosting and upgrades demand real ops skill
Buyers who need responsive vendor support
Strict-security orgs unwilling to vet its CVE history

Pick UptimeRobot when

Solo developers and indie SaaS
Small teams wanting cheap uptime alerts
Agencies monitoring client sites (paid)
Budget status pages

When UptimeRobot is not a fit

Freelancers wanting free monitoring of commercial sites
Enterprises needing deep observability or APM
Anyone counting on legacy pricing being honored
Teams wanting self-hosted control

Sources

OneUptime . official siteoneuptime.com
official
OneUptime pricingoneuptime.com
official
GitHub . OneUptime/oneuptimegithub.com
official
Show HN: OneUptime . open-source Datadog alternativenews.ycombinator.com
review
G2 . OneUptime reviewsg2.com
review
AppSumo . OneUptime reviewsappsumo.com
review
Reddit r/sre . open-source incident.io alternativereddit.com
review
Reddit r/OpenTelemetry . Datadog alternative threadreddit.com
review
SentinelOne . CVE-2026-32306 SQLisentinelone.com
security
GBHackers . critical command injectiongbhackers.com
security
NVD . CVE-2026-30920nvd.nist.gov
security
Kodem Security . CVE-2026-30957kodemsecurity.com
security
SpotSaaS . OneUptime vs Uptimia pricingspotsaas.com
review
Who Funded OneUptime . YC backingbilliondollarpitchdecks.com
news
Uptime Robot Products | Read 285 Reviews on G2g2.com
review
UptimeRobot Reviews | Trustpilottrustpilot.com
review