AFFiNE vs Dia vs Evernote vs SigmaOS
| Attribute | ||||
|---|---|---|---|---|
| Category | Note-taking & Knowledge | Productivity & Collaboration | Note-taking & Knowledge | Productivity & Collaboration |
| Pricing | Free tier | Free tier | Free tier | Free tier |
| Starting price | $6.75/month | Free | $14.99/month | Free |
| Free tier | Yes | Yes | Yes | Yes |
| Free trial | No | Unknown | No | No |
| Deployment | — | — | Cloud | — |
| API available | Unknown | Unknown | Unknown | Unknown |
| Platforms | — | — | ios, android, windows, macos | — |
| Certifications | — | — | — | — |
| Integrations | — | — | 3 | — |
| Company | — | — | Founded 2008 | — |
| Feature attributes | ||||
Also consider
Unknown values show as “Unknown”/“—”. Nothing is inferred — see each tool page for sources.