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Logging · head to head

Cronitor vs Grafana Loki

Cronitor logo

Cronitor

Logging

Monitoring for cron jobs, websites, and background tasks

From
Free
Rated
-
Full reviewWebsite
Grafana Loki logo

Grafana Loki

Logging

Log Aggregation for Grafana Stack

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Cronitor free tier limited to 5 monitors, limiting viability for small teams; Grafana Loki grafana Cloud Logs Pro plan includes only 30-day retention; retention beyond 30 days requires Enterprise plan with minimum $25,000 annual commitment
  • They diverge on capability: Cronitor covers Cron job monitoring, Grafana Loki covers Log aggregation.

Where they differ

Only the attributes on which Cronitor and Grafana Loki actually diverge.

Attributes where Cronitor and Grafana Loki differ
AttributeCronitorGrafana Loki
Pricing modelPay-per-monitor plus user seatsfreemium
PlatformsWeb, APISelf-hosted (open source), Managed (Grafana Cloud Logs), Enterprise (self-managed with support)

Identical on both: starting price (Free), free tier (Yes), user rating (Not yet rated), category (Logging), founded (2014).

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 Cronitor

  • Cron job monitoring
  • Uptime and performance checks
  • Heartbeat monitoring
  • Status pages
  • Real-user monitoring
  • Alert integrations
  • Email reports

Only in Grafana Loki

  • Log aggregation
  • Label-based indexing
  • LogQL language
  • Cost-effective
  • API
  • Webhooks
  • REST
  • Web support

What people use each for

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

Cronitor

  • Monitoring scheduled cron jobs and background tasksnot Grafana Loki
  • Tracking website and API uptime with global checksnot Grafana Loki
  • Alerting teams when critical jobs fail to executenot Grafana Loki
  • Communicating service status to customersnot Grafana Loki

Grafana Loki

  • Cost-sensitive organisations deploying Kubernetes and Prometheus ecosystemsnot Cronitor
  • Teams needing index-free log aggregation for high-volume environmentsnot Cronitor

Where each one falls short

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

Cronitor

  • Free tier limited to 5 monitors, limiting viability for small teams
  • Pay-per-monitor pricing scales quickly with infrastructure size
  • Requires integrating ping calls into existing jobs
  • Limited to monitoring jobs that can send pings
  • No built-in workflow orchestration or task scheduling

Grafana Loki

  • Grafana Cloud Logs Pro plan includes only 30-day retention; retention beyond 30 days requires Enterprise plan with minimum $25,000 annual commitment
  • Open-source version requires self-hosting all infrastructure including storage and scaling

Pricing, plan by plan

Cronitor

Free
  • HackerFree
    • 5 monitors
    • Email and Slack alerts
    • Basic status page
  • Business$2/monitor/month
    • Unlimited monitors
    • 30-second check frequency
    • 10 alert integrations
  • Enterprise$6000/year
    • Custom features and integrations
    • 5-second check frequency
    • Dedicated engineer

Grafana Loki

Free

No published plan breakdown. See the Grafana Loki review.

Which should you pick?

Choose Cronitor if

  • You need cron job monitoring.
  • You want to start without paying.
  • You work on Web, API.
  • You also want uptime and performance checks.
Cronitor review

Choose Grafana Loki if

  • You need log aggregation.
  • You want to start without paying.
  • You work on Self-hosted (open source), Managed (Grafana Cloud Logs), Enterprise (self-managed with support).
  • You also want label-based indexing.
Grafana Loki review

Questions people ask

Is Cronitor or Grafana Loki better?
Neither clearly leads. Cronitor starts at Free and Grafana Loki at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Cronitor or Grafana Loki?
Cronitor starts at Free and Grafana Loki at Free.
Does Cronitor or Grafana Loki run on more platforms?
Cronitor runs on Web, API. Grafana Loki runs on Self-hosted (open source), Managed (Grafana Cloud Logs), Enterprise (self-managed with support).
Can I use Cronitor for free?
Both have a free tier, so you can try either at no cost before committing.
What is Cronitor best used for?
Cronitor is most often used for monitoring scheduled cron jobs and background tasks, tracking website and api uptime with global checks, alerting teams when critical jobs fail to execute, communicating service status to customers. Of those, monitoring scheduled cron jobs and background tasks and tracking website and api uptime with global checks are not what Grafana Loki is typically brought in for.
What can Cronitor do that Grafana Loki cannot?
Cronitor covers Cron job monitoring, Uptime and performance checks, Heartbeat monitoring, Status pages. Grafana Loki covers Log aggregation, Label-based indexing, LogQL language, Cost-effective.

Answered from the vendors’ own pages

Cronitor: How does Cronitor billing work for the Business plan?

Business plan costs $2 per monitor per month plus $5 per user per month, billed monthly based on actual usage.

Source
Grafana Loki: Is there a free tier for Grafana Cloud?

Yes, Grafana Cloud has a Free Forever plan at no cost with no registration required. The free tier is suitable for personal projects and early-stage startups.

Source
Cronitor: What is the difference between Hacker and Business plans?

Hacker plan ($0/month) includes 5 monitors and basic Slack/email alerts. Business plan ($2/monitor/month) offers unlimited monitors, 30-second checks, 10 integrations, 12-month retention, and email reports.

Source
Grafana Loki: How long is data retained in Grafana's free plan?

The free tier retains metrics, logs, traces, and profiles for 14 days.

Source
Cronitor: Does Cronitor offer a free trial?

Yes, Cronitor provides a 14-day free trial on the Business plan without requiring a credit card.

Source
Grafana Loki: What is the minimum cost for Grafana Enterprise?

Grafana Enterprise has a minimum annual commitment of 25,000 dollars.

Source
Grafana Loki: Do I need a credit card to use Grafana's free tier?

No, Grafana Cloud's Free Forever plan requires no credit card to get started.

Source
Grafana Loki: How is Grafana Cloud billed?

Grafana Cloud Pro starts at 19 dollars per month with usage-based charges on top. Billing is monthly based on your consumption. Grafana offers automatic volume discounts based on your spending.

Source
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