Highlight.io

Name: Highlight.io
Brand: Highlight.io
Rating: 4.6 (29 reviews)

Claim this tool

Open source session replay and monitoring

Free plan available

Freemium Monitoring DevOps Analytics Debugging

Visit Website

4.6 (29 across the web)

Freemium Visit Website

Reviews on G2

29 reviews tracked

The Bottom Line

Updated Oct 7, 2026

Price: Free plan available. Compare plans

Key facts

Open-source fullstack monitoring with session replay, error tracking, logs, and distributed tracing
Built on OpenTelemetry and ClickHouse with cloud-hosted and self-hosted deployment options
Offers a free tier with a generous session limit; paid plans available

Pros

Open-source with self-hosting option eliminates vendor lock-in
Unified platform covers sessions, errors, logs, and traces
Generous free tier with a high session limit
Built on OpenTelemetry standards for portability
Session replay shows exactly what users experienced during errors
Compliance-ready for regulated industries (SOC 2, HIPAA)

Cons

Usage-based pricing can be unpredictable at scale
Self-hosted option has a significant minimum cost
Smaller community and ecosystem compared to established competitors
Dashboard customization is still maturing
Documentation gaps for less common frameworks

What is Highlight.io?

Highlight.io is an open-source fullstack monitoring platform that combines session replay, error monitoring, log management, and distributed tracing in a single tool. Built on OpenTelemetry and ClickHouse, it lets developers see exactly what users experienced when an error occurred by replaying browser sessions alongside backend logs and traces. Highlight supports React, Next.js, Angular, Vue, Node, Rails, Go, and other frameworks. It offers both cloud-hosted and self-hosted deployment options with SOC 2, HIPAA, and ISO compliance, making it suitable for teams that need observability without vendor lock-in.

Available on: Web

Data compiled by Toolradar Pricing checked Oct 7, 2026 · How we evaluate

Source highlight.io

Ratings Across the Web

4.6 (29 reviews)

Highlight.io holds an aggregate rating of 4.6 out of 5 from 29 reviews across G2, last checked March 19, 2026.

G2 29 reviews

4.6/5

Ratings aggregated from independent review platforms. Learn more

Preview

Key Features

Session replay with console, network, and user interaction recording
Error monitoring with AI-powered grouping and alerting
Log management with full-text search and custom alerts
Distributed tracing for request performance analysis
Custom dashboards and APM visualizations
OpenTelemetry-native data collection
Self-hosting option via Docker deployment
SOC 2, HIPAA, and ISO compliance support
Framework SDKs for React, Next.js, Vue, Node, Go, and more
Integration with issue trackers, support tools, and analytics platforms

Pricing

Freemium

Highlight.io offers a generous free tier with optional paid upgrades for advanced features.

View pricing

Is Highlight.io worth the price?

Good value

It's best for developers and small to large teams prioritizing detailed session replay and error monitoring.

Full Highlight.io pricing: every plan, hidden costs and alternatives

Highlight.io by the numbers

Highlight.io compared with 95 Debugging tools on Toolradar, as of Nov 2026
Metric	Highlight.io	Peer median	Position (1 is best)
Free plan	Yes	83% have one	n/a
Listed as an alternative to	1 tool	1	#46 of 95 (joint)
User rating	4.6/5 (across the web, 29 ratings)	4.6/5	#12 of 28 (joint) tools with 20+ reviews

Listed as an alternative to: #32 on 2026-10-16 to #46 on 2026-11-11 (rank among 95 tools, 1 is best).

Each position is counted among the tools that have data for that row, as noted under it. All Debugging data · How we compute this. Advertising and placement fees are not inputs to any position.

Cite this: Toolradar, “Highlight.io by the numbers”, Nov 2026.

Reviews

Improve Your Thinking Patterns Using ChatGPT cover

$99 Free with your review

Review Highlight.io, get a free AI guide

Share your experience and we will send you Improve Your Thinking Patterns Using ChatGPT, free.

Write a review

4.6/5

Across 29 verified user reviews on G2

Add your hands-on experience using the offer above to help the next buyer.

Best Highlight.io Alternatives

Top alternatives based on features, pricing, and user needs.

View full list →

LogRocket Freemium

Session replay & error tracking

4.7

Dynatrace Paid

Full-stack observability and AIOps platform

4.5

Datadog Freemium

Cloud monitoring, security, and AI investigations for DevOps

4.4

New Relic Freemium

Full-stack observability with 50+ monitoring capabilities

4.4

Splunk Paid

Data platform for security and observability

4.4

Sentry Freemium

Application monitoring & error tracking

4.6

AppDynamics Paid

Application performance monitoring for enterprises

See all monitoring tools →

Still deciding?

Most buyers shortlist 2 or 3 tools before committing. Pull a side-by-side comparison or browse the full alternatives shortlist below.

All Highlight.io alternatives 7+ tools ranked, pricing + verdict per pick Highlight.io vs LogRocket Head-to-head: features, pricing, who wins Highlight.io vs Dynatrace Head-to-head: features, pricing, who wins Highlight.io vs Datadog Head-to-head: features, pricing, who wins

Explore More

Highlight.io FAQ

How does Highlight.io help developers debug issues?

Highlight.io allows developers to replay browser sessions alongside backend logs and traces, providing a complete picture of what users experienced when an error occurred. This unified view helps in understanding and resolving issues efficiently. It combines session replay, error monitoring, log management, and distributed tracing in one tool.

Which teams benefit most from using Highlight.io?

Teams that require comprehensive observability without vendor lock-in, especially those in regulated industries needing SOC 2, HIPAA, or ISO compliance, will find Highlight.io suitable. It is also beneficial for development teams working with React, Next.js, Angular, Vue, Node, Rails, or Go.

How is Highlight.io's pricing structured?

Highlight.io offers a free tier that includes 500 sessions per month. For higher usage and additional features, paid plans are available, though the pay-as-you-go model can lead to unpredictable costs at scale. A self-hosted option is also available with a minimum monthly cost.

Can Highlight.io be deployed on-premises?

Yes, Highlight.io offers a self-hosted deployment option, which helps eliminate vendor lock-in and provides greater control over data. This option requires a minimum monthly commitment. It is also available as a cloud-hosted service.

How does Highlight.io compare to Datadog for monitoring?

Highlight.io provides a unified open-source platform for session replay, error monitoring, logs, and traces, built on OpenTelemetry, offering both cloud and self-hosted options. Datadog generally has a larger community and ecosystem, while Highlight.io focuses on providing observability without vendor lock-in and includes a generous free tier.

What are the trade-offs of using Highlight.io?

While Highlight.io offers robust features and open-source flexibility, its pay-as-you-go pricing can become unpredictable at scale. Additionally, its community and ecosystem are smaller compared to some established competitors, and dashboard customization is still maturing.

Does Highlight.io support standard observability protocols?

Yes, Highlight.io is built on OpenTelemetry standards, which ensures portability and compatibility with other tools and systems that adhere to these protocols. This design choice helps prevent vendor lock-in for users.

Source: highlight.io

Guides & Articles

Best Error Tracking Software in 2026

Features Highlight.io

Best Free Monitoring Tools in 2026

Expert guide

Best Open Source Monitoring Tools in 2026

Expert guide