Glances vs Highlight.io
Side-by-side comparison of features, pricing, ratings, and alternatives.
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.
Highlight.io is an open‑source monitoring platform that unifies session replay, error tracking, logging, and performance monitoring. It gives developers real‑time visibility into user behavior and application health without stitching together multiple tools. The platform can be self‑hosted or used as a SaaS service, offering a free tier with core features and paid plans for advanced analytics, retention, and support. Its open‑source nature lets teams customize instrumentation and integrate with existing observability stacks.
- Fully open‑source and free
- Runs on all major operating systems
- Lightweight with low resource overhead
- Extensible via plugins and API
- All‑in‑one monitoring reduces tool sprawl.
- Open‑source core allows deep customization.
- Free tier includes core session replay and error tracking.
- Real‑time alerts integrate with common communication channels.
- No native mobile app
- Limited built‑in visualization compared to commercial tools
- Alerting requires manual configuration or external scripts
- Self‑hosting requires operational overhead.
- Advanced analytics and retention are only in paid plans.
- UI can feel cluttered when many sessions are loaded.
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The Verdict
AI-generated from listing dataHighlight.io offers full‑stack app monitoring with session replay and error tracking on a freemium model, while Glances provides lightweight OS‑level system metrics for free, but lacks a native API and advanced app‑level features.
Key differences
- •Scope: Highlight.io monitors applications (frontend, backend, logs) vs. Glances monitors host OS resources only.
- •Pricing model: Highlight.io has a freemium tier with paid plans for advanced analytics; Glances is completely free.
- •API availability: Highlight.io provides a REST API for raw data export; Glances states no API despite a REST endpoint claim, limiting programmatic access.
- •Integrations: Highlight.io integrates with CI/CD, issue trackers, and SaaS observability tools; Glances focuses on infrastructure integrations like InfluxDB and Prometheus.
- •Deployment: Highlight.io can be self‑hosted or SaaS; Glances runs locally on the host OS only.
Pricing & value
Glances is fully free; Highlight.io’s advanced features require paid plans beyond the free tier.
Ease of use / learning curve
Glances is a lightweight CLI/web UI tool; Highlight.io’s all‑in‑one UI can feel cluttered with many sessions.
Features & depth
Highlight.io offers session replay, error grouping, log correlation, performance metrics, and alerts; Glances provides only system metrics.
Integrations & ecosystem
Highlight.io lists integrations with Slack, GitHub, Jira, Datadog, Sentry; Glances integrates mainly with time‑series stores and Docker.
Collaboration
Highlight.io includes real‑time alerts to communication channels and ticket creation; Glances lacks built‑in collaboration features.
Scalability
Highlight.io can be SaaS‑hosted for unlimited sessions or self‑hosted; Glances runs on a single host, limited to that node.
Support
Highlight.io offers email, community Slack, and GitHub Issues; Glances offers only email and GitHub Issues.
Choose Glances if…
Sysadmins or DevOps needing lightweight host‑level metrics on any OS.
Choose Highlight.io if…
Product teams needing app‑level monitoring, session replay, and integrated alerting.
Common questions
Is there any cost to use either tool?
Highlight.io has a freemium tier but advanced analytics require paid plans; Glances is completely free.
Can I programmatically retrieve monitoring data?
Highlight.io provides a REST API for raw data export; Glances states no API, limiting programmatic access.
Which tool supports session replay and error grouping?
Highlight.io includes session replay and automatic JavaScript error grouping; Glances does not offer these app‑level features.