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Highlight.io vs Oh Dear

A detailed comparison to help you choose between Highlight.io and Oh Dear.

Quick Verdict

3.2/5

Highlight.io

0 reviews

4.2/5

Oh Dear

0 reviews

Oh Dear is rated higher (4.2 vs 3.2). Open-source full-stack monitoring (session replay, error monitoring, logging, tracing), self-hostable via Docker. Acquired by LaunchDarkly in April 2025; cloud accounts are being migrated to LaunchDarkly Observability. Oh Dear provides uptime monitoring, SSL certificate monitoring, broken link checking, DNS monitoring, and cron job monitoring from a single dashboard. Simple, no-frills approach.

Highlight.io

Highlight.io

Session replay and error tracking for full-stack debugging

Oh Dear

Oh Dear

Website monitoring with SSL and broken link checks

Overview
Rating3.2 (0 reviews)4.2 (0 reviews)✓
Pricing modelfreemiumpaid
Starting priceFree tier available✓From $15/mo
Best forTeams that want open-source, self-hosted session replay plus error, log, and trace monitoring on their own infrastructure — and existing Highlight cloud customers deciding whether to complete the LaunchDarkly migration.Agencies and small teams who want one subscription covering uptime, SSL, broken links, DNS, cron and status pages for a roster of client sites
Features
IPv6
DDoS protection
Automated backups
Snapshots
Managed option
Bare metal
GPU available
S3-compatible
Hourly billing
Free tier✓
Data-center locations
Regions—
Hosted in Belgium (EU) on ISO 27001 infrastructure; ~16 check locations worldwide
Tags
Tags
free tieropen sourceself hostableapi access
api access
Visit Highlight.io →Visit Oh Dear →

Highlight.io

Pros

  • + One stack for session replay, errors, logs, and traces with OpenTelemetry-based instrumentation and cross-signal correlation
  • + Genuinely usable free tier: 500 monthly sessions and up to 15 seats at $0/month
  • + Fully self-hostable from the public repository (Docker hobby stack), keeping session data on your own infrastructure
  • + Strong docs for a vendor: architecture notes, self-hosting guides, changelogs, telemetry disclosure
  • + Acquired into LaunchDarkly with the founders leading observability there, so the hosted product has a defined continuation path

Cons

  • - Standalone product is being absorbed: highlight.io serves LaunchDarkly's site and cloud accounts are being migrated
  • - Open-source repository's final community support date is still unannounced, so self-hosters face an uncertain maintenance horizon
  • - Thin pricing ladder: nothing between the free tier and $800/month Business, with per-type usage overages and conflicting published quotas
  • - No published infrastructure SLA, region map, or uptime record for the hosted product
  • - Self-hosting means operating a multi-service stack (database, queue, collectors) with no managed middle tier
View full Highlight.ioreview →

Oh Dear

Pros

  • + Every feature on every plan — no tiering of SSO, status pages, users, or API access
  • + Two-location verification before firing alerts, which genuinely reduces false alarms
  • + One site slot replaces uptime, SSL, broken-link, DNS, cron and Lighthouse tools at a predictable per-site price
  • + EU-hosted (Belgium, ISO 27001 infrastructure) with full API and strong agency/reseller workflow

Cons

  • - No free plan and no single-site tier below €15/month
  • - Website/server monitoring only — no APM, metrics, logs, or host-level observability
  • - Small vendor (2–10 people) with no published SLA for the monitoring service itself
  • - Per-site cost is above bare uptime checkers; 200 sites costs €399/month
View full Oh Dearreview →

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