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Technology · head to head

Nagios XI vs PostHog

Nagios XI logo

Nagios XI

Technology

Enterprise-grade monitoring solution with advanced visualization and reporting

From
Free
Rated
-
Full reviewWebsite
PostHog logo

PostHog

Technology

The single platform to analyze, test, observe, and deploy new features

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Nagios XI free Edition caps at 7 nodes or 100 services, whichever limit is hit first; PostHog the free tier covers 1M events, 5K web session recordings and 2.5K mobile recordings per month before usage-based billing starts

Where they differ

Only the attributes on which Nagios XI and PostHog actually diverge.

Attributes where Nagios XI and PostHog differ
AttributeNagios XIPostHog
Pricing modelfreemiumusage-based
PlatformsWebWeb, Ios, Android, Api
FoundedUnknown2020

Identical on both: starting price (Free), free tier (Yes), user rating (Not yet rated), category (Technology).

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in Nagios XI

Nothing recorded that PostHog does not also cover.

Only in PostHog

  • Product analytics
  • Session recording
  • Feature flags
  • A/B testing
  • Heatmaps
  • SQL access
  • Data warehouse
  • Apps platform

What people use each for

The jobs each tool is most often brought in to do.

Nagios XI

No use cases recorded yet. See the Nagios XI review.

PostHog

  • Product analyticsnot Nagios XI
  • Feature experimentationnot Nagios XI
  • User behavior trackingnot Nagios XI
  • A/B testingnot Nagios XI
  • Debug production issuesnot Nagios XI

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

Nagios XI

  • Free Edition caps at 7 nodes or 100 services, whichever limit is hit first
  • Standard Edition is licensed per node count, starting at $2,595 for 100 nodes and rising to $14,995 for 1,000 nodes
  • Enterprise Edition, which adds capacity planning and SLA reporting, is sold as an add-on starting at $4,690 for 100 nodes on top of the base license
  • Sitewide Edition for large distributed environments has no published price and requires contacting sales

PostHog

  • The free tier covers 1M events, 5K web session recordings and 2.5K mobile recordings per month before usage-based billing starts
  • Accounts without a card on file are limited to 1 project; adding one raises it to 6
  • Data retention is 1 year until a card is added, which extends it to 7 years
  • Support is community-only until the account is on a paid plan
  • Error tracking is capped at 100K exceptions and surveys at 1500 responses per month on the free tier

Pricing, plan by plan

Nagios XI

Free

No published plan breakdown. See the Nagios XI review.

PostHog

Free
  • FreeFree
    • 1M events/month
    • 5K sessions/month
    • Unlimited users
  • Paid$undefined/month
    • $0.00031/event
    • $0.005/session
    • Advanced permissions
  • Enterprise$undefined/month
    • SAML SSO
    • Advanced security
    • Dedicated support

Which should you pick?

Choose Nagios XI if

  • You want to start without paying.
Nagios XI review

Choose PostHog if

  • You need product analytics.
  • You want to start without paying.
  • You work on Web, Ios, Android, Api.
  • You also want session recording.
PostHog review

Questions people ask

Is Nagios XI or PostHog better?
Neither clearly leads. Nagios XI starts at Free and PostHog at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Nagios XI or PostHog?
Nagios XI starts at Free and PostHog at Free.
Does Nagios XI or PostHog run on more platforms?
Nagios XI runs on Web. PostHog runs on Web, Ios, Android, Api.
Can I use Nagios XI for free?
Both have a free tier, so you can try either at no cost before committing.
What can Nagios XI do that PostHog cannot?
PostHog covers Product analytics, Session recording, Feature flags, A/B testing.
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