FullStory
LinearB
| Feature | ||
|---|---|---|
| Pricing | Free only | Free / from $39/mo |
| Free Plan | ✓ Yes | ✓ Yes |
| Rating | 4.4 / 5 | 4.2 / 5 |
| Best For | product-teams, ux-designers, enterprise-apps, conversion-optimization | engineering-managers, vp-engineering, ctos, devops-teams |
| Founded | 2014 | 2019 |
| Session Replay | ✓ | ✗ |
| Heatmaps | ✓ | ✗ |
| Product Analytics | ✓ | ✗ |
| Error Tracking | ✓ | ✗ |
| Frustration Signals | ✓ | ✗ |
| User Journeys | ✓ | ✗ |
| Data Export | ✓ | ✗ |
| Cycle Time Metrics | ✗ | ✓ |
| Dora Metrics | ✗ | ✓ |
| Pr Insights | ✗ | ✓ |
| Workflow Automation | ✗ | ✓ |
| Team Benchmarks | ✗ | ✓ |
| Planning Intelligence | ✗ | ✓ |
| Investment Profile | ✗ | ✓ |
✓ FullStory Pros
- High-fidelity session replay with DOM rendering
- AI-powered insights surface frustration signals
- Combines qualitative and quantitative analytics
- Privacy-first with PII exclusion controls
✗ FullStory Cons
- Expensive for high-traffic sites
- Free plan limited to 1,000 sessions/month
- Can slow page performance with full recording
✓ 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
The Verdict
FullStory is built for product teams and ux designers, with a focus on session-replay and heatmaps. LinearB targets engineering managers and vp engineering and leads with cycle-time-metrics and dora-metrics.
FullStory uses custom enterprise pricing, while LinearB starts at $39/mo — a tangible advantage for teams with a fixed budget.
Both offer free plans, so you can test each with your real workflow before committing to a subscription.
This is a genuinely close comparison. If you can, sign up for both free trials (where available) and run a one-week test with your actual team tasks before deciding.