Project Mariner vs Notion
Project Mariner and Notion are both Productivity tools in our directory. This side-by-side comparison covers pricing, user ratings, supported platforms, key features and open-source status so you can decide which one fits your needs.
Side-by-side comparison
| Attribute | Project Mariner | Notion |
|---|---|---|
| Vendor | Google DeepMind | Notion |
| Rating | ★ 4.4 | ★ 4.7 |
| Pricing | Paid | Freemium |
| Platforms | Web, Chrome | Web, Desktop, iOS, Android |
| Key features | Browser agent in Chrome, Clicks and types on the live page, Gemini-powered computer use | Pages, Databases, Blocks |
| Headquarters | Mountain View, USA | San Francisco, USA |
| Founded | 2024 | 2016 |
| Open source | No | No |
Key differences
- Notion has a higher user rating (4.7★ vs 4.4★).
- Project Mariner is Paid, while Notion is Freemium.
- Project Mariner runs on Web, Chrome; Notion runs on Web, Desktop, iOS, Android.
Frequently asked questions
Is Project Mariner or Notion better?
By user rating, Notion scores higher (4.7★ vs 4.4★). Both are capable Productivity tools, so review the feature comparison for your use case.
Which is cheaper, Project Mariner or Notion?
Project Mariner is Paid and Notion is Freemium. Check each product page for current plan details.
Are Project Mariner and Notion open source?
No — neither Project Mariner nor Notion is open source.