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OnlineOrNot vs Uptime Kuma: Which is Better in 2026?

Choosing between OnlineOrNot and Uptime Kuma comes down to understanding what each tool does best. This comparison breaks down the key differences so you can make an informed decision based on your specific needs, not marketing claims.

Bottom line: Uptime Kuma is our overall pick for monitoring workflows. Pick OnlineOrNot if you need a free tier to start with.

··Methodology
Editor reviewed0 verified reviews comparedPricing checked Jul 2026

Short on time? Here's the quick answer

We've tested both tools. Here's who should pick what:

OnlineOrNot

Uptime monitoring and status pages for websites, APIs, and scheduled tasks.

Best for you if:

  • Monitors websites, APIs, and scheduled tasks with immediate, reliable alerts.
  • Provides customizable status pages to keep customers informed during incidents.

Uptime Kuma

Self-hosted uptime monitoring with beautiful status pages

Best for you if:

  • • You need something completely free
  • Uptime Kuma is a self-hosted monitoring tool for websites and services
  • It provides uptime monitoring with a beautiful dashboard
At a Glance
OnlineOrNotOnlineOrNot
Uptime KumaUptime Kuma
Starts at
FreeFree tier available
FreeFree tier available
Best For
MonitoringMonitoring
Rating
4.9/54.6/5
Free plan
Yes Yes

Choose OnlineOrNot or Uptime Kuma?

OnlineOrNot

Choose OnlineOrNot if

Uptime monitoring and status pages for websites, APIs, and scheduled tasks.

  • Detects downtime quickly with checks as frequent as every 30 seconds
  • Minimizes support load by keeping customers informed via status pages
  • Highly configurable monitoring options for various use cases
Uptime Kuma

Choose Uptime Kuma if

Self-hosted uptime monitoring with beautiful status pages

  • Self-hosted uptime monitoring
  • Clean UI
  • Many check types
  • You want a fully free tool (OnlineOrNot requires payment)
FeatureOnlineOrNotUptime Kuma
Pricing ModelFreemiumFree
User Rating
4.9/5
6 reviews
4.6/5
400 reviews
Categories
MonitoringStatus Pages
MonitoringStatus Pages

In-Depth Analysis

OnlineOrNotOnlineOrNot

Uptime monitoring and status pages for websites, APIs, and scheduled tasks.

Strengths

  • +Detects downtime quickly with checks as frequent as every 30 seconds
  • +Minimizes support load by keeping customers informed via status pages
  • +Highly configurable monitoring options for various use cases
  • +Integrates with a wide range of popular incident management and communication tools
  • +Customer-backed and responsive to user feedback for continuous improvement

Weaknesses

  • -Advanced features like browser checks and additional status pages are add-ons or part of higher tiers
  • -Custom domains for status pages are not available on the free tier
  • -Data retention for historical uptime is limited on lower tiers

Key features

Uptime monitoring for websites, APIs, and scheduled tasksImmediate alerts via Email, SMS, Slack, PagerDuty, and other integrationsConfigurable HTTP requests (method, headers, body)SSL certificate expiration and issue monitoringGeo-specific and multi-location checksPublic and private status pages with subscriber management
Starts at Free

Uptime KumaUptime Kuma

Self-hosted uptime monitoring with beautiful status pages

Strengths

  • +Self-hosted uptime monitoring
  • +Clean UI
  • +Many check types
  • +Free and open source
  • +Easy Docker setup

Weaknesses

  • -Requires self-hosting
  • -Single instance only
  • -Limited scalability
  • -No team features
  • -Basic compared to paid

Key features

Uptime monitoringSelf-hostedMultiple notificationsStatus pagesDockerOpen source
Starts at Free

Pricing: OnlineOrNot vs Uptime Kuma

PlanOnlineOrNotUptime Kuma
Tier 1
Free
Free
Free
Open Source
Tier 2
from $12/mo
Pro
N/A
Tier 3
Contact us
Enterprise
N/A

Pricing verified from each vendor's public pricing page. Compare in detail on OnlineOrNot pricing and Uptime Kuma pricing.

Who Should Use What?

On a budget?

Uptime Kuma is free. OnlineOrNot is freemium.

Go with: Uptime Kuma

Want the highest-rated option?

OnlineOrNot: 4.9/5 (6 reviews). Uptime Kuma: 4.6/5 (400 reviews).

Go with: OnlineOrNot

Value user reviews?

OnlineOrNot: 6 reviews (4.9/5). Uptime Kuma: 400 reviews (4.6/5).

Go with: Uptime Kuma

3 Questions to Help You Decide

1

What's your budget?

OnlineOrNot is freemium. Uptime Kuma is free. Go with Uptime Kuma if free matters most.

2

What's your use case?

Both are monitoring tools. Compare their specific features to decide.

3

How important are ratings?

OnlineOrNot is rated higher: 4.9/5 vs 4.6/5.

Key Takeaways

Uptime Kuma

  • Larger review base (400 reviews)
  • Completely free
  • Our pick for this comparison

OnlineOrNot

  • Higher user rating: 4.9/5 vs 4.6/5

The Bottom Line

Uptime Kuma is our pick.

Frequently Asked Questions

Is OnlineOrNot or Uptime Kuma better?

Uptime Kuma is rated in our evaluation. OnlineOrNot is freemium and Uptime Kuma is free.

What are OnlineOrNot and Uptime Kuma used for?

OnlineOrNot: Uptime monitoring and status pages for websites, APIs, and scheduled tasks.. Uptime Kuma: Self-hosted uptime monitoring with beautiful status pages.

What does OnlineOrNot cost vs Uptime Kuma?

OnlineOrNot is freemium (free tier + paid plans). Uptime Kuma is completely free. Visit their websites for detailed pricing.

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