Dia vs Fathom
Dia and Fathom 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 | Fathom |
|---|---|---|
| Vendor | The Browser Company | Fathom |
| Rating | ★ 4.4 | ★ 4.6 |
| Pricing | Freemium | Freemium |
| Platforms | Desktop, macOS | Desktop, Web |
| Key features | Chat with the current page, Skills and actions, Calmer UI than Arc | Instant meeting summaries, Action item detection, Searchable transcripts |
| Headquarters | New York, USA | San Francisco, USA |
| Founded | 2025 | 2020 |
| Open source | No | No |
Key differences
- Fathom has a higher user rating (4.6★ vs 4.4★).
- Both Dia and Fathom use a Freemium model.
- Dia runs on Desktop, macOS; Fathom runs on Desktop, Web.
Frequently asked questions
Is Dia or Fathom better?
By user rating, Fathom 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 Fathom?
Both Dia and Fathom use a Freemium pricing model.
Are Dia and Fathom open source?
No — neither Dia nor Fathom is open source.