Flow Browser vs Helium Browser
| Flow Browser | Helium Browser | |
|---|---|---|
| Free plan | No | Yes |
| Free trial | No | No |
| Paid from | — | Free |
| Open source | Yes | Yes |
| Platforms | Web, Windows, macOS, Linux | Windows, macOS, Linux |
| Supported platforms | desktop | both |
| Browser engine | chromium | chromium |
| Built-in ad blocking | Yes | Yes |
| Extension support | chrome_store | chrome_store |
| Open source | Yes | Yes |
| Free plan | — | Yes |
| Cross-device sync | — | No |
Both are listed in Best Web Browsers. On Freedom251, Helium Browser scores higher on our published basis.