Dia vs Grammarly
Dia and Grammarly 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 | Dia | Grammarly |
|---|---|---|
| Vendor | The Browser Company | Grammarly |
| Rating | ★ 4.4 | ★ 4.6 |
| Pricing | Freemium | Freemium |
| Platforms | Desktop, macOS | Web, Desktop, Browser Extension |
| Key features | Chat with the current page, Skills and actions, Calmer UI than Arc | Grammar checking, Style suggestions, AI writing |
| Headquarters | New York, USA | San Francisco, USA |
| Founded | 2025 | 2009 |
| Open source | No | No |
Key differences
- Grammarly has a higher user rating (4.6★ vs 4.4★).
- Both Dia and Grammarly use a Freemium model.
- Dia runs on Desktop, macOS; Grammarly runs on Web, Desktop, Browser Extension.
Frequently asked questions
Is Dia or Grammarly better?
By user rating, Grammarly scores higher (4.6★ vs 4.4★). Both are capable Productivity tools, so review the feature comparison for your use case.
Which is cheaper, Dia or Grammarly?
Both Dia and Grammarly use a Freemium pricing model.
Are Dia and Grammarly open source?
No — neither Dia nor Grammarly is open source.