AI Valley vs Evernote vs Obsidian vs Perplexity AI
| Attribute | ||||
|---|---|---|---|---|
| Category | Marketing | Note-taking & Knowledge | Note-taking & Knowledge | AI Agents & Assistants |
| Pricing | Free tier | Free tier | Free tier | Free tier |
| Starting price | Free | $14.99/month | $4/seat/month | $20/month |
| Free tier | Yes | Yes | Yes | Yes |
| Free trial | No | No | No | Yes |
| Deployment | — | Cloud | Cloud | Cloud |
| API available | Unknown | Unknown | Unknown | Unknown |
| Platforms | — | ios, android, windows, macos | ios, android, windows, macos, linux | — |
| Certifications | — | — | — | — |
| Integrations | — | 3 | 2 | — |
| Company | — | Founded 2008 | Founded 2020 | Founded 2022 |
| Feature attributes | ||||
Also consider
Unknown values show as “Unknown”/“—”. Nothing is inferred — see each tool page for sources.