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Checkly vs Glances

Side-by-side comparison of features, pricing, ratings, and alternatives.

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Checkly
ChecklyActive monitoring for APIs and browser checks built on Playwright
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Glances
GlancesCross‑platform real‑time system monitoring for admins and DevOps
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Overview
Description

Checkly is an active monitoring platform that lets engineering teams run synthetic API and full‑stack browser checks. It uses Playwright under the hood to simulate real user interactions and verify that endpoints and UI flows stay healthy. The service provides scheduled runs, alerting, and dashboards so teams can catch regressions before customers notice them. It integrates with common DevOps tools and supports CI/CD pipelines for continuous reliability.

Glances is an open‑source, cross‑platform monitoring tool that provides a concise, real‑time view of system resources such as CPU, memory, disk I/O, network, and processes. It runs on Linux, Windows, macOS and can be accessed via a web interface, making it ideal for both local and remote monitoring. Designed for system administrators and DevOps teams, Glances aggregates metrics into a single dashboard, supports customizable alerts, and integrates with scripts or APIs for automated workflows. Its lightweight design ensures minimal overhead while delivering comprehensive performance insights.

Pricing
Freemium
Free
Category
Monitoring & Logging
Monitoring & Logging
Best for
Engineering teams and SREs
System Administrators and DevOps teams
Specifications
deployment
Cloud/SaaS
—
open source
Yes
Yes
api available
Yes
No
support options
Email, Live Chat, Community Slack
Email, GitHub Issues
key integrations
Slack, PagerDuty, GitHub, GitLab, Azure DevOps
InfluxDB, Prometheus, Elasticsearch, Cassandra, Kafka, RabbitMQ, Docker
github stars
—
33,155
primary language
—
Python
Pros & Cons
Pros
  • Playwright provides realistic browser automation
  • Easy integration with Slack and other incident tools
  • Free tier includes both API and browser checks
  • Clear dashboards with screenshots and videos
  • Fully open‑source and free
  • Runs on all major operating systems
  • Lightweight with low resource overhead
  • Extensible via plugins and API
Cons
  • Limited on‑premise deployment options
  • Advanced reporting requires paid plan
  • Learning curve for writing Playwright scripts
  • No native mobile app
  • Limited built‑in visualization compared to commercial tools
  • Alerting requires manual configuration or external scripts
Community & Metrics
Upvotes
0
0
User rating
Not enough data
Not enough data

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The Verdict

AI-generated from listing data

Glances offers free, on‑prem, cross‑platform system monitoring, while Checkly provides cloud‑based synthetic API/browser checks with a freemium tier; choose based on whether you need low‑cost host metrics or advanced UI/API testing.

Key differences

  • •Deployment model: Glances runs locally on Windows/macOS/Linux; Checkly is a SaaS cloud service.
  • •Monitoring focus: Glances tracks OS resources (CPU, memory, disk, network); Checkly validates external APIs and web UI flows.
  • •Alerting & visualization: Glances requires manual alert scripts and has limited visuals; Checkly includes built‑in dashboards, screenshots, and video alerts.
  • •Extensibility: Glances uses plugins and a REST API (though API listed as unavailable); Checkly offers Playwright scripting and CI/CD integration.
  • •Pricing structure: Glances is completely free and open‑source; Checkly has a freemium model with paid tiers for advanced reporting.
DimensionWinner

Pricing & value

Glances is fully free and open‑source; Checkly offers a free tier but advanced features require paid plans.

Glances

Ease of use / learning curve

Checkly provides ready‑made dashboards and Playwright scripts; Glances requires command‑line filtering and manual alert configuration.

Checkly

Features & depth

Checkly includes synthetic browser checks, video recordings, and granular scheduling; Glances offers basic system metrics only.

Checkly

Integrations & ecosystem

Both list integrations: Glances with InfluxDB, Prometheus, Docker etc.; Checkly with Slack, PagerDuty, GitHub, GitLab.

Tie

Support

Checkly provides email, live chat, and community Slack; Glances only offers email and GitHub Issues.

Checkly

Scalability

Checkly’s cloud SaaS scales globally without user‑managed infrastructure; Glances depends on local resources.

Checkly

Security & privacy

Glances runs entirely on‑premises, keeping data local; Checkly sends monitoring data to its cloud service.

Glances

Choose Checkly if…

Engineering/SRE groups requiring synthetic API and UI testing with built‑in alerts and dashboards.

Choose Glances if…

Teams needing free, on‑prem system resource monitoring with low overhead.

Common questions

Can I monitor my servers without paying any license fees?

Yes, Glances is free and open‑source, providing OS‑level metrics at no cost.

Does the tool support automated UI testing for web applications?

Only Checkly offers synthetic browser checks using Playwright, including screenshots and video recordings.

Will my monitoring data stay on my own infrastructure?

With Glances, all data is collected locally; Checkly processes data in its cloud SaaS environment.