Eraser
Microsoft OneDrive
| Feature | ||
|---|---|---|
| Pricing | Free / from $10/mo | Free / from $1.99/mo |
| Free Plan | ✓ Yes | ✓ Yes |
| Rating | 4.5 / 5 | 4.3 / 5 |
| Best For | engineering-teams, solution-architects, technical-documentation, system-design | microsoft-365-users, businesses, windows-users, enterprise |
| Founded | 2022 | 2007 |
| Diagrams As Code | ✓ | ✗ |
| Ai Diagrams | ✓ | ✗ |
| Whiteboarding | ✓ | ✗ |
| Documentation | ✓ | ✗ |
| Version History | ✓ | ✓ |
| Templates | ✓ | ✗ |
| Collaboration | ✓ | ✗ |
| File Storage | ✗ | ✓ |
| File Sharing | ✗ | ✓ |
| Office Integration | ✗ | ✓ |
| Personal Vault | ✗ | ✓ |
| Mobile Access | ✗ | ✓ |
✓ 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
✓ Microsoft OneDrive Pros
- Office integration
- Generous storage with M365
- Personal Vault
- Sync client
✗ Microsoft OneDrive Cons
- Sync issues sometimes
- Less intuitive sharing
- Limited free storage
The Verdict
Eraser is built for engineering teams and solution architects, with a focus on diagrams-as-code and ai-diagrams. Microsoft OneDrive targets microsoft 365 users and businesses and leads with file-storage and file-sharing.
On pricing, Microsoft OneDrive is the clear winner for budget-conscious users — starting at $1.99/mo compared to $10/mo for Eraser. That $8.01/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 Microsoft OneDrive 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.