G2 Vendor Directory

Checkmk

#2 in Hardware Monitoring

Munich, DE

1

Products on G2

306

Total reviews

4.7

Avg. star rating

  • Checkmk ranks #2 in Hardware Monitoring.
  • Reviews across Checkmk's portfolio declined 72.7% quarter-over-quarter.
  • Checkmk's 1 product span 13 categories on G2.
  • Mid-Market is the largest segment among reviewers, at 40.2%.

Traffic & LLM citations

Monthly G2.com page views and citations by AI answer engines, summed across Checkmk's products.

Page views and citations · Checkmk

Source: G2 review data

Winning from

Based on reviewers who said they switched from another vendor's product.

1

Nagios

16 switched
2

Icinga

13 switched
3

Zabbix

7 switched
4

Paessler GmbH

3 switched
5

N-able

2 switched

Losing to

Based on reviewers of other products who said they switched from Checkmk.

1

Paessler GmbH

2 switched
2

N-able

1 switched
3

ADP

1 switched
4

Zoho

1 switched
5

NinjaOne

1 switched

Key stats

-72.7%

#2

13

Mid-Market

2007

232

Munich, DE

Adoption by company size

SegmentShare of reviews
Small Business19.9%
Mid-Market40.2%
Enterprise39.9%

Quarterly history

QuarterTotal reviewsAvg. rating
2024 Q434.7
2025 Q115.0
2025 Q2504.5
2025 Q354.5
2025 Q414.5
2026 Q2115.0
2026 Q333.7