Project Mariner vs Hey
Project Mariner and Hey 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 | Hey |
|---|---|---|
| Vendor | Google DeepMind | 37signals |
| Rating | ★ 4.4 | ★ 4.4 |
| Pricing | Paid | Paid |
| Platforms | Web, Chrome | Web, Mobile |
| Key features | Browser agent in Chrome, Clicks and types on the live page, Gemini-powered computer use | Screening inbox for strangers, Imbox / Feed / Paper Trail, Hey World pages |
| Headquarters | Mountain View, USA | Chicago, USA |
| Founded | 2024 | 2020 |
| Open source | No | No |
Key differences
- Project Mariner and Hey share the same user rating (4.4★).
- Both Project Mariner and Hey use a Paid model.
- Project Mariner runs on Web, Chrome; Hey runs on Web, Mobile.
Frequently asked questions
Is Project Mariner or Hey better?
Project Mariner and Hey are rated equally (4.4★) by users, so the better choice depends on your needs — see the feature and platform comparison above.
Which is cheaper, Project Mariner or Hey?
Both Project Mariner and Hey use a Paid pricing model.
Are Project Mariner and Hey open source?
No — neither Project Mariner nor Hey is open source.