Side by side
Arc Browser vs Thorium Browser
Both stand on web browsers. Which one you can start free with, which one lets you read the code, and what each costs once you pay.
Free plan AndroidiPhoneMac+1
Arc combines workspace organization, extensions, sync, and mobile search in a free browser. Users should weigh its AI data sharing and stated security limitations, including no account MFA and Chromium-only updates.
Visit Arc Browser Free plan AndroidLinuxMac+2
Thorium combines Chromium compatibility with project-specific performance, media, privacy, and image-format changes. Its broad platform coverage, extension support, and open-source license make it a flexible option for Chromium users.
Visit Thorium BrowserThe facts
| Arc Browser | Thorium Browser | |
|---|---|---|
| Free plan | Yes | Yes |
| Open source | Not published | Not published |
| Runs on | Android, iPhone, Mac, Windows | Android, Linux, Mac, Web, Windows |
| Lowest paid plan | Free or on request | Free or on request |
| Plans published | 1 | 1 |
| Maker | Not published | Not published |
| Website | arc.net | github.com |
| On web browsers | #114 of 154 | #118 of 154 |
Arc Browser: what it does well
- Free on desktop and mobile
- Spaces, Profiles, and Split View
- Chrome Web Store extensions
- Cross-device tab sync
- Built-in ad and tracker blocking
What to know first
- No account MFA
- Not SOC 2 or ISO 27001 certified
- Some AI features share data externally
- Receives Chromium updates only
Thorium Browser: what it does well
- Free plan across supported platforms
- Chrome Store extension support
- Cross-device sync
- JPEG XL enabled by default
- Public BSD-3-Clause source code
What to know first
- No free trial is offered
- Linux builds vary by CPU instruction set
- Security reports use GitHub issues or maintainer email
Alternatives to Arc Browser Alternatives to Thorium Browser The whole list