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Technology · head to head

Attio vs Checkmk

Attio logo

Attio

Technology

The CRM built for the next generation of companies

From
Free
Rated
-
Full reviewWebsite
Checkmk logo

Checkmk

Technology

Comprehensive IT monitoring, open and flexible

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Attio the free plan stops at 3 seats and 50,000 records; Checkmk pricing calculated by service count, not hosts (approximately 30 services per host on average)
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which Attio and Checkmk actually diverge.

Attributes where Attio and Checkmk differ
AttributeAttioCheckmk
Pricing modelfreemiumsubscription
PlatformsWeb, Ios, Android, ApiWeb
Founded2021Unknown

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 Attio

  • Custom data model
  • Flexible views
  • Email integration
  • Calendar sync
  • Automations
  • Mobile app
  • Real-time collaboration
  • Templates

Only in Checkmk

Nothing recorded that Attio does not also cover.

What people use each for

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

Attio

  • Sales pipelinenot Checkmk
  • Customer managementnot Checkmk
  • Deal trackingnot Checkmk
  • Investor relationsnot Checkmk
  • Partnership managementnot Checkmk

Checkmk

  • Infrastructure monitoringnot Attio
  • System observabilitynot Attio
  • Enterprise compliance monitoringnot Attio

Where each one falls short

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

Attio

  • The free plan stops at 3 seats and 50,000 records
  • Outbound email is capped at 200 messages a month on the free plan and 1,000 on Plus
  • Call Intelligence, sequences, advanced reporting and permission controls all require the Pro tier
  • Custom objects are capped at 3 on free, 5 on Plus and 12 on Pro, with unlimited objects reserved for Enterprise
  • File storage is capped at 50 GB on the free and Plus tiers

Checkmk

  • Pricing calculated by service count, not hosts (approximately 30 services per host on average)
  • Professional support limited to 8-10 hours per week on base plans
  • Synthetic monitoring is separate add-on with per-test pricing

Pricing, plan by plan

Attio

Free
  • FreeFree
    • Up to 3 seats
    • 50000 records
    • 3 objects
  • Plus$44/month
    • Up to 10 seats
    • 250000 records
    • 5 objects
  • Pro$99/month
    • Unlimited seats
    • 1000000 records
    • 12 objects
  • EnterpriseFree
    • Custom pricing
    • Unlimited objects
    • Custom record limits

Checkmk

Free
  • Community (Self-Hosted)Free
    • No cost, forever
    • Up to ~100 hosts
    • Basic infrastructure monitoring
  • Pro (Self-Hosted)$190/month
    • Advanced analytics
    • Reporting
    • Distributed monitoring
  • Ultimate (Self-Hosted)$275/month
    • Full-stack observability
    • Advanced security compliance
    • 10 hours x 5 days professional support (upgradable to 24/7)
  • CloudAI (SaaS)$240/month
    • Fully managed cloud hosting
    • 99.5% uptime SLA
    • Supports up to 50000 services

Which should you pick?

Choose Attio if

  • You need custom data model.
  • You want to start without paying.
  • You work on Web, Ios, Android, Api.
  • You also want flexible views.
Attio review

Choose Checkmk if

  • You want to start without paying.
Checkmk review

Questions people ask

Is Attio or Checkmk better?
Neither clearly leads. Attio starts at Free and Checkmk at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Attio or Checkmk?
Attio starts at Free and Checkmk at Free.
Does Attio or Checkmk run on more platforms?
Attio runs on Web, Ios, Android, Api. Checkmk runs on Web.
Can I use Attio for free?
Both have a free tier, so you can try either at no cost before committing.
What is Attio best used for?
Attio is most often used for sales pipeline, customer management, deal tracking, investor relations. Of those, sales pipeline and customer management are not what Checkmk is typically brought in for.
What can Attio do that Checkmk cannot?
Attio covers Custom data model, Flexible views, Email integration, Calendar sync.

Answered from the vendors’ own pages

Attio: How much does Attio cost per user?

Attio's Plus plan is $44/user/month (or $35/month annually with 20% discount). Pro is $99/user/month (or $79/month annually). The Free plan includes up to 3 seats at no cost.

Source
Checkmk: Is there a free version of Checkmk?

Yes, Checkmk Community edition is free forever and supports up to approximately 100 hosts for basic infrastructure monitoring with no cost.

Source
Attio: What are Attio's seat and record limits for each plan?

Free plan includes up to 3 seats with 50,000 records. Plus supports up to 10 seats with 250,000 records. Pro offers unlimited seats with 1 million records. Enterprise has custom record limits.

Source
Checkmk: How does Checkmk calculate pricing by host count?

Checkmk uses service-based pricing where each monitored aspect (file system, hardware sensor, switch port, metric) counts as one service. On average, there are approximately 30 services per host.

Source
Attio: Are there additional costs for Attio beyond the per-user subscription?

Yes, workspace credits are available as add-ons ($70-$475/month depending on volume). Annual billing provides a 20% discount on the base per-user cost.

Source
Checkmk: What is the difference between Checkmk Pro and Ultimate tiers?

Pro tier at 190 EUR/month includes advanced analytics and 8x5 support, while Ultimate at 275 EUR/month adds full-stack observability, advanced compliance features, and upgradable 24/7 support.

Source
Checkmk: Does Checkmk offer a managed SaaS option?

Yes, Checkmk CloudAI is a fully managed SaaS tier at 240 EUR/month with 99.5% uptime SLA and support for up to 50000 services.

Source
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