Acreom vs Obsidian vs Shelf
| Attribute | |||
|---|---|---|---|
| Category | Note-taking & Knowledge | Note-taking & Knowledge | Data Governance |
| Pricing | Free tier | Free tier | Paid |
| Starting price | $6.75/month | $4/seat/month | — |
| Free tier | Yes | Yes | No |
| Free trial | Yes | No | Unknown |
| Deployment | — | Cloud | — |
| API available | Unknown | Unknown | Unknown |
| Platforms | — | ios, android, windows, macos, linux | — |
| Certifications | — | — | — |
| Integrations | — | 2 | — |
| Company | — | Founded 2020 | — |
| Feature attributes | |||
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Unknown values show as “Unknown”/“—”. Nothing is inferred — see each tool page for sources.