Project Mariner vs Missive
Project Mariner and Missive 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 | Missive |
|---|---|---|
| Vendor | Google DeepMind | Missive |
| Rating | ★ 4.4 | ★ 4.6 |
| Pricing | Paid | Paid |
| Platforms | Web, Chrome | Web, Desktop, Mobile |
| Key features | Browser agent in Chrome, Clicks and types on the live page, Gemini-powered computer use | Shared email with assignments, Internal comments on the thread, AI drafts and summaries |
| Headquarters | Mountain View, USA | Sherbrooke, Canada |
| Founded | 2024 | 2015 |
| Open source | No | No |
Key differences
- Missive has a higher user rating (4.6★ vs 4.4★).
- Both Project Mariner and Missive use a Paid model.
- Project Mariner runs on Web, Chrome; Missive runs on Web, Desktop, Mobile.
Frequently asked questions
Is Project Mariner or Missive better?
By user rating, Missive scores higher (4.6★ vs 4.4★). Both are capable Productivity tools, so review the feature comparison for your use case.
Which is cheaper, Project Mariner or Missive?
Both Project Mariner and Missive use a Paid pricing model.
Are Project Mariner and Missive open source?
No — neither Project Mariner nor Missive is open source.