Staxly

Rollbar vs Cal.com

Continuous code improvement — real-time error tracking + AI triage
vs. Open-source scheduling infrastructure — the self-hostable Calendly alternative

Rollbar websiteCal.com website

Pricing tiers

Rollbar

Free
$0. 5,000 events/month. 1 user. 30-day retention. Basic alerts.
Free
Essentials
$21/mo (starting). 25K events/mo. Unlimited users. 30-day retention. Slack/Jira integrations.
$21/mo
Advanced
$79/mo (starting). 100K events/mo. Deployment tracking, RQL, AI triage. 180-day retention.
$79/mo
Enterprise
Custom. Starting ~$599/mo. 1M+ events. SSO, audit logs, HIPAA, priority support.
Custom
Rollbar website

Cal.com

Free (Cloud)
$0. 1 user. Unlimited event types. Unlimited meetings. Cal branding.
Free
Self-Hosted (OSS)
Free forever. AGPL-3.0. Docker/K8s deploy. Full feature parity with cloud.
$0 base (usage-based)
Teams
$12/user/mo. Round-robin, collective events, routing forms, Cal Video, Workflows.
$12/mo
Organizations
$37/user/mo. SSO, advanced routing, dashboards, analytics, dedicated support.
$37/mo
Enterprise
Custom. SAML, HIPAA, dedicated deployments, security reviews.
Custom
Cal.com website

Free-tier quotas head-to-head

Comparing free on Rollbar vs free on Cal.com.

MetricRollbarCal.com
No overlapping quota metrics for these tiers.

Features

Rollbar · 15 features

  • AlertsRule-based alerts to Slack/email/PagerDuty.
  • Custom EventsLog arbitrary events via API.
  • Deploy TrackingAnnotate errors with deploy SHAs.
  • Error TrackingCapture uncaught exceptions + crashes.
  • Intelligent GroupingFingerprint-based deduplication.
  • Notifiers60+ alert channels (Slack, Jira, Teams, PagerDuty, Opsgenie, etc.).
  • Person TrackingTie errors to end users.
  • Real User MonitoringBrowser performance + error correlation.
  • Rollbar AI TriageAI root-cause analysis + suggested fixes.
  • RQL QuerySQL-like error querying.
  • Session Replay (add-on)Video-like user session reconstruction.
  • Source MapsMinified JS → original.
  • Telemetry TimelineBreadcrumbs of events before crash.
  • WebhooksOutbound event streaming.
  • Workflow AutomationsAuto-assign owners, auto-close resolved items.

Cal.com · 16 features

  • AvailabilityMultiple schedules per user.
  • Buffer TimePadding between meetings.
  • Cal VideoBuilt-in video conferencing.
  • EmbedInline/popup/floating-button embeds.
  • Event TypesOne-on-one, group, collective, round-robin.
  • Insights DashboardBooking trends + team analytics.
  • Paid BookingsStripe integration for paid appointments.
  • Platform APIEmbed scheduling in your SaaS.
  • Recurring EventsWeekly/monthly recurring bookings.
  • Round-RobinDistribute bookings across team.
  • Routing FormsRoute leads by answers.
  • Self-HostDeploy to your infra.
  • SSOSAML + OIDC.
  • Timezone DetectionAuto-detect viewer timezone.
  • WebhooksOutbound events.
  • WorkflowsAutomated email/SMS reminders.

Developer interfaces

KindRollbarCal.com
CLIcal CLI (self-host)
SDKrollbar-go, rollbar.js (browser), rollbar (Node), rollbar-php, rollbar (Python), rollbar (Ruby)@calcom/embed-react
RESTRollbar REST APICal.com REST API v2, Platform API (embed in SaaS)
OTHERRollbar Dashboard, Rollbar WebhooksCal.com Dashboard, Cal.com Webhooks
Staxly is an independent catalog of developer platforms. Some links to Rollbar and Cal.com may be affiliate links — Staxly may earn a commission if you sign up through them, at no extra cost to you. Pricing is verified against vendor pages at publication time — reconfirm before buying.

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