LinearB
Sentry
| Feature | LinearB | Sentry |
|---|---|---|
| Pricing | Free / from $39/mo | Free / from $26/mo |
| Free Plan | ✓ Yes | ✓ Yes |
| Rating | 4.2 / 5 | 4.5 / 5 |
| Best For | engineering-managers, vp-engineering, ctos, devops-teams | developers, frontend-teams, mobile-developers, startups |
| Founded | 2019 | 2012 |
| Cycle Time Metrics | ✓ | ✗ |
| Dora Metrics | ✓ | ✗ |
| Pr Insights | ✓ | ✗ |
| Workflow Automation | ✓ | ✗ |
| Team Benchmarks | ✓ | ✗ |
| Planning Intelligence | ✓ | ✗ |
| Investment Profile | ✓ | ✗ |
| Error Tracking | ✗ | ✓ |
| Performance Monitoring | ✗ | ✓ |
| Session Replay | ✗ | ✓ |
| Source Maps | ✗ | ✓ |
| Release Tracking | ✗ | ✓ |
| Alerting | ✗ | ✓ |
| Integrations | ✗ | ✓ |
| Issue Triaging | ✗ | ✓ |
✓ LinearB Pros
- Correlates engineering metrics with business outcomes
- Automated workflow improvements (WorkerB)
- Benchmarks against industry standards
- Identifies bottlenecks in dev process
✗ LinearB Cons
- Expensive for large engineering teams
- Can feel like surveillance to developers
- Metrics can be gamed if not used carefully
✓ Sentry Pros
- Excellent error tracking with full stack traces
- Source map support for minified code
- Session replay shows exactly what users experienced
- Open-source self-hosted option available
- Supports 100+ platforms and frameworks
✗ Sentry Cons
- Event quotas can be exceeded during incidents
- Alert fatigue if not properly configured
- Performance monitoring less mature than Datadog
The Verdict
LinearB is built for engineering managers and vp engineering, with a focus on cycle-time-metrics and dora-metrics. Sentry targets developers and frontend teams and leads with error-tracking and performance-monitoring.
On pricing, Sentry is the clear winner for budget-conscious users — starting at $26/mo compared to $39/mo for LinearB. That $13/mo difference adds up quickly for growing teams.
Both offer free plans, so you can test each with your real workflow before committing to a subscription.
Feature-wise, Sentry offers broader built-in capabilities (8 features vs 7), while LinearB takes a more focused approach — which can mean a simpler, faster onboarding experience.
Bottom line: Sentry has a slight overall edge — but if correlates engineering metrics with business outcomes matters most to you, LinearB may still be the right call.