Eraser
Folk
| Feature | Eraser | Folk |
|---|---|---|
| Pricing | Free / from $10/mo | Free / from $20/mo |
| Free Plan | ✓ Yes | ✓ Yes |
| Rating | 4.5 / 5 | 4.4 / 5 |
| Best For | engineering-teams, solution-architects, technical-documentation, system-design | agencies, founders, partnerships-teams, investor-relations |
| Founded | 2022 | 2020 |
| Diagrams As Code | ✓ | ✗ |
| Ai Diagrams | ✓ | ✗ |
| Whiteboarding | ✓ | ✗ |
| Documentation | ✓ | ✗ |
| Version History | ✓ | ✗ |
| Templates | ✓ | ✗ |
| Collaboration | ✓ | ✗ |
| Contact Management | ✗ | ✓ |
| Pipelines | ✗ | ✓ |
| Email Sequences | ✗ | ✓ |
| Mail Merge | ✗ | ✓ |
| Browser Extension | ✗ | ✓ |
| Enrichment | ✗ | ✓ |
| Integrations | ✗ | ✓ |
✓ 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
✓ Folk Pros
- Intuitive spreadsheet-like interface
- Browser extension captures contacts from anywhere
- Built-in email sequences and mail merge
- Great for lightweight relationship management
✗ Folk Cons
- Limited reporting and analytics
- Not suited for large enterprise sales teams
- Fewer automations than Salesforce/HubSpot
The Verdict
Eraser is built for engineering teams and solution architects, with a focus on diagrams-as-code and ai-diagrams. Folk targets agencies and founders and leads with contact-management and pipelines.
On pricing, Eraser is the clear winner for budget-conscious users — starting at $10/mo compared to $20/mo for Folk. That $10/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.
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.