Brain.fm vs Dia
Brain.fm and Dia 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 | Brain.fm | Dia |
|---|---|---|
| Vendor | Brain.fm | The Browser Company |
| Rating | ★ 4.5 | ★ 4.4 |
| Pricing | Paid | Freemium |
| Platforms | Web, iOS, Android | Desktop, macOS |
| Key features | Focus / relax / sleep modes, Neural-effect claims, App plus web | Chat with the current page, Skills and actions, Calmer UI than Arc |
| Headquarters | San Francisco, USA | New York, USA |
| Founded | 2013 | 2025 |
| Open source | No | No |
Key differences
- Brain.fm has a higher user rating (4.5★ vs 4.4★).
- Brain.fm is Paid, while Dia is Freemium.
- Brain.fm runs on Web, iOS, Android; Dia runs on Desktop, macOS.
Frequently asked questions
Is Brain.fm or Dia better?
By user rating, Brain.fm scores higher (4.5★ vs 4.4★). Both are capable Productivity tools, so review the feature comparison for your use case.
Which is cheaper, Brain.fm or Dia?
Brain.fm is Paid and Dia is Freemium. Check each product page for current plan details.
Are Brain.fm and Dia open source?
No — neither Brain.fm nor Dia is open source.