Eraser
Jam
| Feature | Eraser | Jam |
|---|---|---|
| Pricing | Free / from $10/mo | Free / from $5/mo |
| Free Plan | ✓ Yes | ✓ Yes |
| Rating | 4.5 / 5 | 4.5 / 5 |
| Best For | engineering-teams, solution-architects, technical-documentation, system-design | qa-teams, developers, product-managers, customer-support |
| Founded | 2022 | 2021 |
| Diagrams As Code | ✓ | ✗ |
| Ai Diagrams | ✓ | ✗ |
| Whiteboarding | ✓ | ✗ |
| Documentation | ✓ | ✗ |
| Version History | ✓ | ✗ |
| Templates | ✓ | ✗ |
| Collaboration | ✓ | ✗ |
| Screen Capture | ✗ | ✓ |
| Console Logs | ✗ | ✓ |
| Network Requests | ✗ | ✓ |
| Device Info | ✗ | ✓ |
| Integrations | ✗ | ✓ |
| Annotations | ✗ | ✓ |
✓ Eraser Pros
- AI-generated diagrams from text descriptions
- Code-first diagrams with version control
- Combines docs and diagrams in one canvas
- Purpose-built for technical architecture docs
✗ Eraser Cons
- Limited general-purpose whiteboarding features
- Smaller template library than Miro/Lucidchart
- Not suited for non-technical teams
✓ Jam Pros
- One-click bug reports
- Auto-captures technical info
- Integrates with Jira/Linear/etc
- Very easy to use
✗ Jam Cons
- Browser extension only
- Limited to web apps
- Basic for complex debugging
The Verdict
Eraser is built for engineering teams and solution architects, with a focus on diagrams-as-code and ai-diagrams. Jam targets qa teams and developers and leads with screen-capture and console-logs.
On pricing, Jam is the clear winner for budget-conscious users — starting at $5/mo compared to $10/mo for Eraser. That $5/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, Eraser offers broader built-in capabilities (7 features vs 6), while Jam takes a more focused approach — which can mean a simpler, faster onboarding experience.
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.