What is the difference between Highlight.io and Sentry?

Highlight.io is best for Teams wanting session replay, error tracking, and logging in one open-source tool, while Sentry is best for Development teams that need to catch, triage, and fix errors quickly. Highlight.io starts at $50/mo and Sentry starts at $26/mo.

Is Highlight.io or Sentry cheaper?

Highlight.io starts at $50/mo with a free tier. Sentry starts at $26/mo with a free tier.

Is there a free alternative to Sentry?

Both Highlight.io and Sentry offer free tiers.

Highlight.io vs Sentry (2026)

At a glance

	Highlight.io	Sentry
Best for	Teams wanting session replay, error tracking, and logging in one open-source tool	Development teams that need to catch, triage, and fix errors quickly
Starting price	$50/mo	$26/mo
Free tier	✓	✓
Open source	✓	✓

Highlight.io

Strengths

Session replay + errors + logs in one tool
Open source with self-hosting option
Frontend and backend monitoring together
Source map support for readable stack traces

Weaknesses

Each feature is less deep than dedicated tools
Self-hosting requires significant infrastructure
Newer product with smaller community
Can be resource-intensive

Try Highlight.io → Full review

Sentry

Strengths

Best-in-class error tracking with detailed stack traces
Session replay shows exactly what users experienced
Open source with self-hosting option
Supports virtually every language and framework

Weaknesses

Event-based pricing can get expensive with noisy apps
Performance monitoring is less mature than dedicated APM tools
Alert fatigue if not configured carefully
Self-hosted version requires significant infrastructure

Try Sentry → Full review

The bottom line

Highlight.io and Sentry serve similar needs but take different approaches. Teams wanting session replay, error tracking, and logging in one open-source tool while Sentry is development teams that need to catch, triage, and fix errors quickly.